Data Reliability Engineer II (dRE)

Role Overview:

A crucial role in CME’s Cloud transformation, the dRE II will be aligned to data product pods ensuring that our data infrastructure is reliable, scalable, and efficient as the GCP data footprint expands rapidly.

Accountabilities:

• Automate data tasks on Google Cloud Platform (GCP).
• Work with data domain owners, data scientists, and other stakeholders to ensure that data is consumed effectively on GCP.
• Design, build, secure, and maintain data infrastructure, including data pipelines, databases, data warehouses, and data processing platforms on GCP.
• Measure and monitor the quality of data on GCP data platforms.
• Implement robust monitoring and alerting systems to proactively identify and resolve issues in data systems.
• Respond to incidents promptly to minimize downtime and data loss.
• Develop automation scripts and tools to streamline data operations and make them scalable to accommodate growing data volumes and user traffic.
• Optimize data systems to ensure efficient data processing, reduce latency, and improve overall system performance.
• Collaborate with data and infrastructure teams to forecast data growth and plan for future capacity requirements.
• Ensure data security and compliance with data protection regulations.
• Implement best practices for data access controls and encryption.
• Collaborate with data engineers, data scientists, and software engineers to understand data requirements, troubleshoot issues, and support data-driven initiatives.
• Continuously assess and improve data infrastructure and data processes to enhance reliability, efficiency, and performance.
• Maintain clear and up-to-date documentation related to data systems, configurations, and standard operating procedures.

Qualifications

• Education: Bachelor’s or Master’s degree in Computer Science, Software Engineering, Data Science, or a related field, or equivalent practical experience.
• Professional Experience: Experience as a Site Reliability Engineer or a similar role with a focus on data infrastructure management.
• Methodologies: Understanding of Site Reliability Engineering (SRE) practices.
• Data Technologies: ideally some experience in data technologies such as relational databases, data warehousing, big data platforms (e.g., Hadoop), data streaming (e.g., Kafka), and cloud services (e.g., AWS, GCP, Azure).
• Programming Skills: Any programming skills in languages like Python (NumPy, pandas, PySpark), Java (Core Spark with Java, functional interface, collections), or Scala with experience in automation and scripting would be great.
• Infrastructure Tools: Experience with containerization and orchestration tools like Docker and Kubernetes is a plus.
• Compliance: Experience with data governance, data security, and compliance best practices.
• Software Development: Understanding of software development methodologies and best practices, including version control (e.g., Git) and CI/CD pipelines.
• Cloud Computing: Any experience in cloud computing and data-intensive applications and services, ideally Google Cloud Platform (GCP) would be highly beneficial.
• Quality Assurance: Experience with data quality assurance and testing.
• GCP Data Services: Any exposure to GCP data services (BigQuery, Dataflow, Data Fusion, Dataproc, Cloud Composer, Pub/Sub, Google Cloud Storage) is a bonus.
• Monitoring Tools: Understanding of logging and monitoring using tools such as Cloud Logging, ELK Stack, AppDynamics, New Relic, and Splunk.
• Advanced Tech: Knowledge of AI and ML tools is a plus.
• Certifications: Google Associate Cloud Engineer or Data Engineer certification is a plus.
• Domain Specifics: Experience in data engineering or data science.

Company Benefits:

• Bonus Programme
• Equity Programme
• Employee Stock Purchase Plan (ESPP)
• Private Medical and Dental coverage
• Mental Health Benefit Programme
• Group Pension Plan
• Income Protection
• Life Assurance
• Cycle To Work
• EV Car Benefit Scheme
• Gym Membership
• Family Leave
• Education Assistance - MBA/Advanced Degree/Bachelor Degree
• Ongoing Employee Development Training/Certification
• Hybrid Working

CME Group: Where Futures are Made

CME Group is the world’s leading derivatives marketplace. But who we are goes deeper than that. Here, you can impact markets worldwide. Transform industries. And build a career by shaping tomorrow. We invest in your success and you own it - all while working alongside a team of leading experts who inspire you in ways big and small. Problem solvers, difference makers, trailblazers. Those are our people. And we’re looking for more.

At CME Group, we embrace our employees’ unique experiences and skills to ensure that everyone’s perspectives are acknowledged and valued. As an equal-opportunity employer, we consider all potential employees without regard to any protected characteristic.

Important Notice: Recruitment fraud is on the rise, with scammers using misleading promises of job offers and interviews to solicit money and personal information from job seekers. CME Group adheres to established procedures designed to maintain trust, confidence and security throughout our recruitment process. Learn more here.

To be considered for this role you will be redirected to and must complete the application process on our careers page. To start the process click the Continue to Application or Login/Register to apply button below.

Java Software Engineer - Multiple Roles (Junior to Senior)

Want to work with one of Northern Ireland’s fastest-growing tech companies?
Looking for a team where your input genuinely shapes the architecture and direction of projects?
How about working on greenfield builds using the latest Java and cloud technologies every day?

The Role

You’ll be developing high-quality, scalable Java solutions as part of a small, talented engineering team.
From day one, you’ll be hands-on - writing clean, testable code, designing APIs, and contributing to technical decisions that make a real impact.
This is a collaborative environment where engineers are trusted to deliver, experiment, and grow.

What’s In It For You?

• Negotiable salaries (depending on experience - typically £35k-£65k)
  * Hybrid working (2 days in office)
  * All certifications and training covered - continual learning is encouraged
  * A genuine focus on work-life balance
  * A tight-knit team of engineers who love what they do and push each other to be better

Technical Skills

Strong Java experience (2+ years)
* Hands-on with Spring Boot and Microservices Architecture
* Experience across 3 or more of the following:

AWS services (EC2, RDS, S3, EKS, CloudFront, etc.)
* Works well independently and as part of a close team

Nice to have:
Experience with CI/CD, Kafka, ELK stack, NoSQL, Spring Security, OAuth2, or front-end tech (React, React Native).

About You

You’re the kind of developer who:
* Loves solving complex problems and takes ownership of outcomes
* Wants to work on impactful projects with modern tools and methods
* Is passionate about learning and mentoring others
* Isn’t afraid to share ideas, challenge norms, and help shape best practices

What’s It Like to Work Here?

The team has one of the best retention rates in Belfast - and for good reason.
You’ll have autonomy, trust, and the freedom to get things done your way.
They’re serious about technical excellence, but they don’t take themselves too seriously - expect a collaborative culture, exciting projects, and a supportive environment where everyone’s contribution matters.

Colin has been recruiting within the NI Tech scene for 6 years, successfully helping countless IT professionals find their next move.
If you’d like to chat about this role - or just want some advice on your next career step - get in touch.

Skills:
Java Spring AWS

Benefits:
Work From Home

Exciting opportunity at one of the fastest growing financial services firms around the world. They offer prime brokerage, clearing and financing across traditional and digital assets, and are now looking to hire world-class engineers to help build on their success.

Responsibilities will include:

• Automate infrastructure and operational workflows using IaC with Terraform and AWS CDK.
• Develop & optimize CI/CD pipelines to improve software delivery for large-scale distributed systems using Amazon CodeBuild, GitHub Actions & Terraform Enterprise
• Implement and maintain observability solutions to establish real-time monitoring and proactive incident response using Datadog and AWS CloudWatch
• Ensure high availability and performance of relational and time-series databases (PostgreSQL/QuestDB), including replication, failover strategies, and query optimization

Skills & Experience Required

• Extensive experience with AWS, including EC2, ECS, S3, RDS, Lambda, MWAA, API Gateway, Route53, SSM, EFS, Backup, DynamoDB, Cloudfront, VPC, CodeBuild, CodePipeline, CodeArtifact, Config, Elasticache, and networking components in a highly available environment.
• Strong Python programming & automation skills in Python
• Proven experience with event streaming (i.e. Kafka/Kinesis)
• Deep understanding of distributed systems architecture, fault tolerance, disaster recovery, and performance tuning
• Hands-on experience with observability and monitoring tools (e.g. Datadog, ELK, CloudWatch)
• Proven track record managing infrastructure with Terraform or AWS CDK
• Strong background in incident management, system reliability, and operational leadership, with experience conducting root cause analysis & implementing reliability improvements

Benefits & Incentives

• Build and scale mission-critical systems that power global financial markets
• Work in a technology-driven culture focused on automation, performance, and reliability
• Contribute to shaping the future of financial technology
• Engage with cutting-edge AWS, SRE, and observability tools in a fast-moving environment

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.

Contact
If you feel you are suitable for this role, drop me an email or give me a call!

Jack Peck
[e] jack.peck@oxfordknight.co.uk
[t] +44 20 3745 6537
linkedin.com/in/jack-peck-448a70131

Discover your future at Citi
Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview
Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance - we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech.

About the Position:
We are looking for an industry wide Senior Systems Architect (Infrastructure) who can provide leadership and direction for Change-The-Bank (CTB) electronic trading infrastructure initiatives covering all technologies (in this specific domain) for Rates.
The role sits within Citi’s Global Markets: High Performance Architectures - Infrastructure (HPAi) group. This team is responsible for all electronic trading infrastructure architecture across all markets globally for the firm. It is composed of low latency Subject Matter Experts (North America, EMEA), Systems Architects (both regional and asset class aligned) and an aligned initiative management function (e.g. Technical Project Manager). Technology is key to our business; this role will require you to drive innovation and technology adoption in a large multi-faceted and complex environment. This Markets-Tech “business aligned tech” resource will collaborate with ICG-Markets “the business”, CTI “Enterprise Infrastructure”, and CISO “Security” teams driving technical architecture and engineering of CTB and End of Vendor Support (EoVS) initiatives where we choose to innovate.

What you will do (but not limited to)
Reporting to the head of HPAi, the Systems Architect will be responsible for ensuring best in breed technology architecture and engineering are in alignment with business requirements. This will be done in collaboration with CISO and other teams and resource aligned to HPAi who represent Enterprise and CISO priorities and standards.
Active collaboration with all parties is required to be successful. The resource should be able to effectively collaborate with the Markets-Tech Electronic Trading organization (our clients), steer other technology organizations directly or through influence, and love rolling up their sleeves and working as an individual contributor.
The resource will leverage the full strength of the supporting non-ICG technology organizations (dedicated and non-dedicated to HPAi).
The role is very broad requiring a resource that is not afraid to do new things and be challenged on a regular basis with a can-do attitude and an engineering mindset.
You will show a deep desire to drive results and an unquenchable desire to understand how technology primitives work (and how to abuse them).
Low Latency Trading - Rates and Cross Markets, domain specific technology is required (solid knowledge for as many of the following as possible):

The Technologies:

• Compute (Linux, CoreOS, Tuning, kernel bypass technologies, core dump analysis)

• Network (R&S, cut-through, Multicast, SDN, BGP, L1-L3, PCAP analysis)

• HPC File Systems (Lustre, GPFS, Weka, DDN, Ceph)

• Interconnects (InfiniBand, Slingshot, PCIe, NVLink, UALink, UPI, RoCE)

• HW (Server, FPGA, GPU, Memory, Cache, over clocking, cooling, ASIC, Quantum, NUMA)

• DevOps (OpenShift, Kubernetes, DevOps, Prog[Python, Perl, Shell], CI/CD)

• Programming (C, C++, Java, Rust, VHDL, Verilog)

• Time Sync (PTP, NTP, GPS, White Rabbit, SyncE)

• Wave (RF, Millimeter, Microwave, DWDM, Photonics)

• Storage (I/O, NAS, SAN, Object Store, SDS)

• Database (relational, columnar, graph, NoSQL, architecture, tuning)

• Monitoring (SPANs, TAPS, OEO, Packet Brokers, Corvil, SNMP, FIX, Logs, ELK, Open Telemetry, Grafana, Promethius)

• Messaging (TibRV, Solace, Aeron, ZeroMQ, Kafka, Multicast, Market data (TCP/UDP), Tibco, Exegy/Vela)

• Load Balancers (HW, SW)

• Security (Firewalls, PKI, TLS, IDS, Optical Encryption, AD, LDAP)

• Connectivity (WAN, Lucera, cross-connects, ECX, venue, client)

• Colo / Datacenter (Power, Space, Cage, Rack, Cabinet, Design)

• Excel (for advanced frameworks, data analysis)

Required:

• Deep knowledge of operating system fundamentals - hyper focus on Linux (REL, CoreOS)

• Understanding of OSI model and TCP and UDP network protocols

• Experience with Python and data libraries

• Fluency with the Unix command line and shell scripting

• Practical experience with modern Linux systems and systems programming concepts like C, IPC mechanisms, virtual memory, and process life cycle

• Strong troubleshooting skills and knowledge of profiling/debugging tools such as gdb, perf, DTrace, SystemTap

• Can understand, interpret, and improve application performance via system tuning

• Thorough understanding of modern computer architecture - modern x86 AMD and Intel cache hierarchies as an example.

• Kernel-bypass technology knowledge (such as Solarflare OpenOnload / TCPDirect / ef_vi, RoCE, DPDK)

• Prior experience in a similar Site Reliability Engineering (SRE), DevOps, distributed computing, systems engineering/administration

• Ability to context switch to work on several projects at once

• Knowledge of JIRA, SCRUM, Sprints

• Low Latency Trading - Rates and Cross Markets, domain specific technology is would be highly beneficial

The Details:

• Ingress/plan/execute/manage technical initiatives to make our electronic trading systems faster, more adaptable stable and maintainable aligned to HPAi standards.

• Communicate ideas, requirements, and results across disparate teams.

• This position will support technical populations (Rates), partnering with leaders to understand their challenges and design and execute solutions to solve them.

• Communicating business and IT requirements to external vendors and internal technical teams

• To succeed in this role, you must enjoy working independently and collaborating, being a hands-on contributor, learning on the fly and embrace change - rapid pace.

• You must be able to understand full-stack electronic trading technologies and engage effectively in a very technical manner with other SMEs, systems architects, the business (at times), Markets-Tech, and enterprise infrastructure organizations (CTI/CISO).

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

What we’ll provide you
By joining Citi, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as:

• 27 days annual leave (plus bank holidays)
• A discretional annual performance related bonus
• Private Medical Care & Life Insurance
• Employee Assistance Program
• Pension Plan
• Paid Parental Leave
• Special discounts for employees, family, and friends
• Access to an array of learning and development resources

Visit our About Us | Culture, Values & Benefits page to learn more.

Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive.

Education:
Degree Educated ideally in a Comp science or engineering field or experience operating in a similar role.

Job Family Group:
Technology ------------------------------------------------------
Job Family:
Applications Development ------------------------------------------------------
Time Type:
Full time ------------------------------------------------------
Most Relevant Skills
Please see the requirements listed above.------------------------------------------------------
Other Relevant Skills
For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------
Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi .

View Citi’s EEO Policy Statement and the Know Your Rights poster.

We are hiring a skilled back-end Python Developer to join a high-performing technology team at a top-tier investment bank. You’ll be instrumental in delivering a greenfield system monitoring and performance analysis tool for global trading platforms – a solution that will provide critical insights into system health and behavior across the trading stack.

This is a chance to build something from scratch, with full ownership of backend components, data ingestion, and real-time analytics in a Linux-based environment.

Key Responsibilities:

• Design and develop robust backend services and APIs in Python to power a real-time trading system monitoring tool.
• Build scalable data pipelines to ingest, process, and analyse metrics from various trading infrastructure components.
• Implement logic to detect anomalies, track performance, and surface actionable insights for developers and traders.
• Ensure stability, performance, and security of backend systems in a Linux production environment.
• Collaborate with front-end developers (ReactJS), infrastructure teams, and end users to deliver a complete solution.
• Contribute to system architecture, technical design, and long-term platform strategy.

Requirements:

• Strong experience with Python for backend/API development.
• Solid experience developing and deploying applications in Linux environments.
• Experience with system monitoring, logging, or performance analytics (e.g., Prometheus, Grafana, ELK, custom tooling) is a plus.
• Knowledge of distributed systems, data processing, or real-time event handling is desirable.
• Familiarity with trading systems or financial infrastructure is advantageous but not required.
• Strong communication skills and ability to work in cross-functional teams.

About Man Group

Man Group is a global alternative investment management firm focused on pursuing outperformance for sophisticated clients via our Systematic, Discretionary and Solutions offerings. Powered by talent and advanced technology, our single and multi-manager investment strategies are underpinned by deep research and span public and private markets, across all major asset classes, with a significant focus on alternatives. Man Group takes a partnership approach to working with clients, establishing deep connections and creating tailored solutions to meet their investment goals and those of the millions of retirees and savers they represent.

Headquartered in London, we manage $227.6 billion* and operate across multiple offices globally. Man Group plc is listed on the London Stock Exchange under the ticker EMG.LN and is a constituent of the FTSE 250 Index. Further information can be found at

* As at 31 December 2025

The Team

Platform Engineering is the powerhouse behind our technology infrastructure. We equip investment teams with the tools to scale their strategies and operate effectively, from expansive data storage and high-performance computing in our data centres to massive on-premises database deployments and cutting-edge end-user devices. We are also responsible for keeping Man Group secure and automating infosec processes, ensuring seamless operations across the firm.

Join us as a Senior Network Engineer in the Infrastructure Engineering department and you’ll be part of a team that builds and runs the platform powering Man Group’s hedge funds. You will be member of an existing engineering team where you have direct responsibility and accountability for a complex and high-performance network infrastructures. You will be able to demonstrate expert knowledge of delivering complex network architectures delivered via software driven and agile methodology. You should have the enthusiasm for leveraging AI development tools to accelerate delivery and driving their adoption across the team.

Role Responsibilities

• Promote and adhere to best practice across Technology, by aligning strong engineering skills, attention to detail and knowledge of industry trends and best practices to build reliable, high performance and robust solutions.
• Building and managing Man Group’s infrastructure, both on-premises and in the cloud, using technologies such as Python.
• Integrate Ansible, Terraform, and other automation tools with Network systems and services.
• Working closely with business stakeholders in a dynamic environment
• You will be able to demonstrate expert knowledge of delivering complex network architectures delivered via software driven and agile methodology.

Key Competencies

Essential

• Operating and deploying network infrastructure
• Great understanding of common layer 2 and layer 3 network protocols (OSPF, BGP, PIM, IGMP, RoCEv2, spine-leaf architecture) and best practices for them
• Overlay networks (EVPN, VXLAN)
• Troubleshooting transport protocols (TCP/UDP)
• Experience with packet decoding and analysis tools such as tcpdump and Wireshark
• Arista (EOS), Cisco (IOS/IOS-XE/NX-OS), Palo Alto (PAN-OS) and SONiC-based switches, as well as an interest in exploring new platforms

Advantageous

• Proven ability to select and work with vendors to engineer switches for next-generation computing environments
• Knowledge of fibre optics technology and cabling standards ranging from 1 to 800 Gbps, with the ability to evaluate specs and make recommendations on appropriate purchases
• Understanding of basic power consumption and cooling issues in a data centre environment
• Eagerness to automate your workflow to increase efficiency
• Clear communication skills with the ability to maintain a high degree of customer feedback
• A flexible and reliable team player who enjoys working in a collaborative environment but is also self-motivated and can work independently when needed
• Familiarity with Python, Prometheus, Grafana, ELK, and GitHub is desirable
• REST/Ansible/Terraform/YAML

Inclusion, Work-Life Balance and Benefits at Man Group
You’ll thrive in our working environment that champions equality of opportunity. Your unique perspective will contribute to our success, joining a workplace where inclusion is fundamental and deeply embedded in our culture and values. Through our external and internal initiatives, partnerships and programmes, you’ll find opportunities to grow, develop your talents, and help foster an inclusive environment for all across our firm and industry. Learn more at .

You’ll have opportunities to make a difference through our charitable and global initiatives, while advancing your career through professional development, and with flexible working arrangements available too. Like all our people, you’ll receive two annual ‘Mankind’ days of paid leave for community volunteering.

Our comprehensive benefits package includes competitive holiday entitlements, pension/401k, life and long-term disability coverage, group sick pay, enhanced parental leave and long-service leave. Depending on your location, you may also enjoy additional benefits such as private medical coverage, discounted gym membership options and pet insurance.

Equal Employment Opportunity Policy

Man Group provides equal employment opportunities to all applicants and all employees without regard to race, color, creed, national origin, ancestry, religion, disability, sex, gender identity and expression, marital status, sexual orientation, military or veteran status, age or any other legally protected category or status in accordance with applicable federal, state and local laws.

Man Group is a Disability Confident Committed employer; if you require help or information on reasonable adjustments as you apply for roles with us, please contact .

ABOUT US:

LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services - and our open-access model - we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.

LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across EMEA, North America, Latin America and Asia Pacific. We employ 25,000 people globally, more than half located in Asia Pacific. LSEG’s ticker symbol is LSEG.

OUR PEOPLE:

People are at the heart of what we do and drive the success of our business. Our culture of connecting, creating opportunity and delivering excellence shape how we think, how we do things and how we help our people fulfil their potential. We embrace diversity and actively seek to attract individuals with unique backgrounds and perspectives. We break down barriers and encourage teamwork, enabling innovation and rapid development of solutions that make a difference. Our workplace generates an enriching and rewarding experience for our people and customers alike. Our vision is to build an inclusive culture in which everyone feels encouraged to fulfil their potential.

We know that real personal growth cannot be achieved by simply climbing a career ladder - which is why we encourage and enable a wealth of avenues and interesting opportunities for everyone to broaden and deepen their skills and expertise. As a global organisation spanning 70 countries and one rooted in a culture of growth, opportunity, diversity and innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers.

ROLE SUMMARY:

Senior DevOps Engineer - Cloud Platform & Site Reliability Location: Nottingham, UK | Team: LSEG Risk Intelligence Engineering

Are you passionate about building scalable, secure, and resilient platforms that power global Risk Intelligence products?

We’re looking for a Senior DevOps Engineer to help drive innovation, implement modern DevOps practices, and contribute to the evolution of our cloud-native infrastructure.

WHAT YOU’LL BE DOING:

As a Senior DevOps Engineer, you’ll play a key role in designing, building, and maintaining the infrastructure and automation that powers our platforms:

• Automate full-stack infrastructure using Terraform, CloudFormation, and GitOps workflows
• Build and maintain CI/CD pipelines with GitLab CI to enable fast, secure, and reliable software delivery
• Deploy and manage Kubernetes workloads using Amazon EKS and Istio Service Mesh for service discovery, traffic management, and observability
• Implement monitoring and alerting to ensure high availability, performance, and reliability
• Collaborate with cross-functional teams to ensure infrastructure aligns with development and business goals
• Continuously improve systems through automation, performance tuning, and process optimization
• Contribute to our DevOps culture, sharing knowledge and best practices across the team

WHAT YOU’LL BRING:

• Cloud expertise in AWS (EC2, Lambda, RDS, S3, VPC, IAM, CloudWatch, etc.)
• Infrastructure as Code: Terraform, CloudFormation
• Container orchestration: Kubernetes (EKS), Istio Service Mesh
• CI/CD tooling: GitLab CI (preferred), Jenkins, Bitbucket
• Scripting & automation: Bash/Shell, Python
• Security best practices: IAM, KMS, encryption in transit/at rest
• Monitoring & observability: Prometheus, Grafana, ELK, or similar
• Agile & DevOps culture: GitOps, SRE principles, Agile methodologies
• 4+ years in DevOps or platform engineering roles.
• Proven experience building and operating cloud-native platforms
• Strong communication and collaboration skills.
• A passion for automation, developer enablement, and continuo

Career Stage:
Senior Associate

London Stock Exchange Group (LSEG) Information:

Join us and be part of a team that values innovation, quality, and continuous improvement. If you’re ready to take your career to the next level and make a significant impact, we’d love to hear from you.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants’ and employees’ religious practices and beliefs, as well as mental health or physical disability needs.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject .

If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.

Discover your future at Citi
Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview
Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance - we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech.

Prime Brokerage Technology provides solutions that underpin the operations of our clients and traders that provide the foundation of our Prime Finance business. This is an area of great opportunity and is a major growth target for Citi - with technology providing the key to unlock this potential.

Responsibilities:

• Ownership and delivery on components (Java/Kotlin) within the Core Prime Brokerage platform. Hands-on Development.

• Actively contribute to an agile development, applying and improving skills in Continuous Integration and Continuous Deployment (CI/CD) practices. Implement and maintain developer-led automated testing solutions. Participate in the ongoing refinement of SDLC, agile and DevOps processes.

• Participate in design, planning and estimation discussions within the team.

• Perform detailed analysis of assigned work, breaking work into individual technical tasks.

• Collaborate with business analysts and stakeholders to clarify and refine requirements.

• Create and maintain project and technical documentation

• Assist in identify potential risks or issues within assigned tasks and communicate them to the team lead.

• Assist in production support by working closely with operations and business teams. Participate in support rotations to diagnose and resolve escalated issues. Contribute to documentation and post-mortem reviews. Implement software enhancements to resolve root-causes and improve reliability, performance and scalability.

• Collaborate as part of a global team on deliveries and engage in peer reviews such as code reviews / pull requests. Coach and mentor junior analysts and grads.

Technical Experience:

• Java & Test-Driven Development are essential.

• Experience in any number of additional technologies (listed below) is advantageous:

• Kotlin

• Cloud Technologies (Kubernetes, Open Shift)

• Messaging Technologies (Kafka, Solace, TIBCO)

• Database / Data Store / Data Query Technologies (SQL Server, S3)

• Observability Technologies (OpenTelemetry, Elastic Stack / ELK, Grafana)

Qualifications:

• Proven experience in an App Dev role.
• Demonstrated execution capabilities.

Education:

• Bachelor’s/University degree or equivalent experience in a similar role

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

What we’ll provide you
By joining Citi, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as:

• 27 days annual leave (plus bank holidays)
• A discretional annual performance related bonus
• Private Medical Care & Life Insurance
• Employee Assistance Program
• Pension Plan
• Paid Parental Leave
• Special discounts for employees, family, and friends
• Access to an array of learning and development resources

Visit our About Us | Culture, Values & Benefits page to learn more.

Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive.

Job Family Group:
Technology ------------------------------------------------------
Job Family:
Applications Development ------------------------------------------------------
Time Type:
Full time ------------------------------------------------------
Most Relevant Skills
Please see the requirements listed above.------------------------------------------------------
Other Relevant Skills
For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------
Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi .

View Citi’s EEO Policy Statement and the Know Your Rights poster.

Discover your future at Citi
Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview
Discover your future at Citi
Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview
Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance - we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech.

The Lead Java Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities.

Responsibilities:

• Lead delivery of Real-Time and On-Demand Risk enhancements for the Credit Business by partnering directly with London-based trading, MQA, Market Risk, and technology teams.
• Own the full development lifecycle: architecture, design, implementation, automated testing strategies, release execution, and ongoing production support.
• Drive alignment of RT/OD workflows with EOD Risk strategy, ensuring functional parity, reconciliation, and controlled cutover.
• Lead adoption and build-out of RT/OD capabilities on strategic risk platform, including integration of new analytics, workflows, and risk datasets.
• Deliver significant performance improvements through optimized risk calculation strategies.
• Guide the migration of compute workloads to AWS, implementing best practices for scalability, throughput, resiliency, and cost efficiency.
• Collaborate actively with NAM and APAC teams in a follow-the-sun model to improve delivery velocity, reduce operational risk, and ensure rapid triage of production incidents.
• Provide user-facing updates, demos, documentation, and education to promote adoption and ensure successful rollout of new capabilities.
• Lead root cause analysis on production issues, drive long-term stability improvements, and strengthen monitoring and observability across the platform.

Recommended Experience:

• Strong experience in Core Java, J2EE, Spring Framework
• Exposure to Python scripting and data analysis
• Experience in fast moving Capital Markets Front Office technology environment with experience in Fixed Income products
• Working knowledge of Front Office Risk calculations, especially for Credit products
• Experience in building highly scalable and distributed applications using Microservices, APIs, and Container technologies such as Docker, Kubernetes, OpenShift, etc.
• Strong expertise in messaging technologies such as Kafka, JMS, gRPC etc
• Proficient in latency measurement and performance optimization of Java based platforms with focus on JVM tuning
• Experience with observability stacks like ELK, Prometheus, Grafana, Kiali, Jaeger etc.
• Sound knowledge for persistence technologies such as relational databases, NoSQL databases, off heap storages and distributed caches
• Hands-on knowledge of Linux / Unix
• Experience working with senior Quants and Technology Managers
• Good verbal and written communication

Education:

• Bachelor’s degree/University degree or equivalent experience
• Master’s degree preferred

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

What we’ll provide you
By joining Citi, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as:

• 27 days annual leave (plus bank holidays)
• A discretional annual performance related bonus
• Private Medical Care & Life Insurance
• Employee Assistance Program
• Pension Plan
• Paid Parental Leave
• Special discounts for employees, family, and friends
• Access to an array of learning and development resources

Visit ourGlobal Benefitspage to learn more.
Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive.

Job Family Group:
Technology ------------------------------------------------------
Job Family:
Applications Development ------------------------------------------------------
Time Type:
Full time ------------------------------------------------------
Most Relevant Skills
Please see the requirements listed above.------------------------------------------------------
Other Relevant Skills
For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------
Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi .

View Citi’s EEO Policy Statement and the Know Your Rights poster.

+6 months + +Fully remote working +SC cleared - must hold current active clearance +Sole British nationals only - due to nature of the project Skills: +AWS +Kubernetes +Public Sector experience +Testing experience - can set the Testing process up from beginning to end and to be able to own it We're looking for an experienced DevOps Tester, this is a pivotal role in maintaining critical national infrastructure where scalability and resilience are essential. We're looking for a highly skilled DevOps engineer with a strong background in testing (including APIs). The ideal candidate should be self-motivated and results-driven, capable of thriving in an Agile team. You'll need to be comfortable with Confluence for documentation and Jira for project tracking and story management. Your main responsibility will be to develop and structure a comprehensive test framework. This includes creating approaches and plans, gaining approval for those approaches, and ultimately delivering a complex set of functional and performance tests for software components running within an AWS multi-account model. You will be working alongside client teams and supporting, as required, in a 3rd line capacity. Key technologies you'll be working with include Vault, Consul, Kubernetes, various AWS services (Compute, Identity), Prometheus for monitoring, ELK, Jenkins for CI/CD, and scripting languages such as Python, Ansible, and/or Bash. Knowledge of proxies and firewalls, including Fortinet and Palo Alto, would be an advantage. If you'd like to discuss this DevOps Tester in more detail, please send your updated CV to (url removed) and I will get in touch.

My client, a large consultancy, is in need of an Elastic AIOPS Engineer for a 6 month contract inside IR35 based in Sheffield offering 2 days per week remote but requiring 3 days per week on-site. The ideal candidate will have strong experience of OpenTelemetry specifications, SDKs, APIs, and instrumentation, hands-on experience with OTel agent and collector life cycle Operating Systems: Linux and Windows administration Observability Tools: Familiarity with Jaeger, Prometheus, Grafana, Datadog, Splunk, ELK, Loki, SigNoz Programming & Scripting: Proficiency in languages like Python, Go, or Java for API integration Automation: Experience with Ansible, CI/CD pipelines Additional Skills: Kafka, InfluxDB, container orchestration (Docker/Kubernetes). The ideal candidate will have strong experience in observability, monitoring, or related domains, Strong problem-solving and analytical skills.

Job title: Senior Software Engineer in Test (D)

Location: Manchester

Duration: 11 Months (rolling)

Hourly rate: 57.00ph INSIDE IR35 (Via Umbrella Solutions)

POSITION DESCRIPTION:

A Senior Software Engineer in Test with a passion for quality, and proven experience of automated software testing, is required for a variety of digital projects being delivered for Luxury Automotive client based in Manchester.

We are looking for great engineers who have a passion for innovative problem solving, quality-first coding and practicing Continuous Integration.

Would you thrive in an exciting, dynamic and creative start-up environment, but also enjoy the security, resources and influence of an established and successful organisation?

Would you excel within a world-class and passionate team that loves what they do?

Are you passionate about mentoring and sharing your skills with fellow engineers?

You will form part of a collaborative, iterative and agile process in a multi-disciplined team helping deliver best in class digital solutions.

This role provides a unique opportunity to help support and grow an entirely new software development capability within client

Reporting to the Principal Software Engineer in Test and working closely with other multi-disciplined engineers, you will be a valued member of the Global Digital Development Centre team, consistently delivering to challenging business objectives, with a focus on testability, robustness, security and performance for exciting new projects.

You will work on real projects alongside experienced engineers and will be expected to take on some mentoring and coaching of less experienced engineers in the lab as well as contributing to process improvements in the lab.

Key Responsibilities

• Define and implement testing for cloud systems, including platform and APIs in an agile manner
• Implement testing frameworks and where required utilising automation tools
• Support issue investigation and resolution
• Work closely with the SRE team to develop strategies to meet required SLAs and SLOs
• Define testing quality stages and gates within the software development process
• Define and Implement testing and release process for cloud systems
• Implement tests stages in pipelines, testing tool configuration, and scripting where required to implement the test strategy and processes
• Set quality goals and measurables for the system, devise and ensure the system meets these goals
• Establish a culture of maintaining continual testing and continual quality in our systems
• Line management for a junior software developer in test

Skills

Our Senior Software Engineers in Test should have:

• 5+ years experience in automated software testing in an agile and DevOps culture, with deep knowledge of the STLC and a real passion for quality
• Strong experience with tools such as Robot, Selenium, Post Man or Cypress

We are keen to speak to people who also have the following skills:

5+ years experience developing and testing bespoke built enterprise scale cloud-native applications

5+ years experience with Java, Python or another OO language

Experience with software quality tools such as SonarQube

Experience with relational database technologies such as MySQL or similar

Experienced advocate for practices such as Test Driven Development and Pair Programming

Experience with Microservices architectures, RESTful APIs and message queues

Strong programming skills

Experience with source code management and version control (Git/GitHub/GitLab)

Experience with modern CI/CD tools and techniques

Previous involvement in all stages of the software delivery lifecycle

Passion for mentoring and technical coaching of developers

Excellent verbal and written communication skills

The following skills and experience are nice to have:

Experience in BDD and creating tests using Gherkin syntax

Experience working with observability and monitoring tools such as DataDog, ELK, Prometheus, Grafana

Experience with Kubernetes or other cloud infrastructure (Google Cloud Platform, AWS, Azure)

Familiarity with polyglot persistence and experience with a NoSQL database engine (Mongo, Neo4j, etc)

If you want to know more about this exciting opportunity please review and APPLY NOW

Senior Software Engineer in Test Contract | Inside IR35 | £400 per day Location: Manchester (Hybrid - 2-3 days onsite per week) Contract End Date: March 2027 I'm currently working with a large, well‑established enterprise client who are continuing to grow their digital engineering capability in Manchester. They are looking to engage an experienced Senior Software Engineer in Test on a long‑term contract to support the delivery of high‑quality, scalable, cloud‑based digital platforms. This is an excellent opportunity for a senior‑level test professional to join a collaborative, agile environment where quality, automation, and engineering best practice are taken seriously. The role offers strong delivery stability with a contract running until March 2027. The Role You'll join a multi‑disciplinary digital engineering team, working closely with developers, SREs, and other engineers to embed quality throughout the software delivery lifecycle. The focus is on automation‑led testing, CI/CD integration, and driving a continuous testing culture. You will also play a role in mentoring and supporting more junior engineers in test. Key Responsibilities Define and deliver automated testing strategies for cloud‑native systems, platforms, and APIs Design, implement, and maintain test automation frameworks Embed test stages and quality gates within CI/CD pipelines Support defect investigation, root‑cause analysis, and resolution Collaborate with engineering and SRE teams to meet defined SLAs and SLOs Define testing, release, and quality assurance processes Set and track quality metrics and measurable outcomes Promote continuous testing and quality‑first engineering practices Provide mentoring and coaching to junior engineers in test Required Experience 5+ years' experience in automated software testing within agile and DevOps environments Strong understanding of the Software Testing Lifecycle (STLC) Hands‑on experience with tools such as Selenium, Cypress, Robot Framework, or Postman Strong programming capability in Java, Python, or another OO language Experience testing enterprise‑scale, cloud‑native applications Good knowledge of APIs, microservices, and distributed architectures Experience with version control systems (Git) and modern CI/CD pipelines Confident communicator with a collaborative mindset Nice to Have BDD experience and Gherkin syntax Exposure to observability and monitoring tools (Grafana, Prometheus, ELK, Datadog) Experience with Kubernetes or cloud platforms (AWS, Azure, or GCP) Experience with relational or NoSQL databases Working Pattern & Rate £400 per day (Inside IR35, via umbrella) Hybrid working: 2-3 days per week onsite in central Manchester Long‑term contract running through to March 2027If this sounds like a role you'd like to discuss, or if you'd like further details on the client, project, or interview process, please get in touch

Site Reliability Engineer (SRE) £65,000 base salary Role Overview Our National Security business in Gloucester is expanding, creating vital opportunities to support National Security clients through innovative technical solutions. We are looking for a Site Reliability Engineer to join a growing team that prioritizes both client delivery and community engagement, helping to build tech and cyber skills within the region. As an SRE, you will bridge the gap between software engineering and systems operations. You will use your engineering expertise to replace manual tasks with automation, ensuring that traditional operational work (incidents, on-call, etc.) never exceeds 50% of your team's capacity. Core Accountabilities Service Excellence: Support and maintain essential services for core mission applications, proactively enhancing availability, performance, and stability. Automation First: Replace repetitive manual labor with innovative automated solutions. Consultative Engineering: Work alongside product teams to advise on best practices for system design and resilience. Observability: Instrument applications to improve monitoring and use data-driven insights to demonstrate daily system improvements. Systems Architecture: Leverage your understanding of the relationship between software and infrastructure to build scalable, failure-resilient systems. Community Engagement: Actively participate in the wider internal DevOps and SRE communities. Candidate Background & Experience We are looking for candidates with experience in the following areas: Development: Software development in Java and web technologies (JavaScript, HTML). Data & Infrastructure: Familiarity with database technologies (Elastic, Mongo) and cloud platforms ( AWS, Azure, or OpenStack ). Scripting & OS: Proficiency in Linux and Windows command lines (Bash, PowerShell). Configuration & Deployment: Hands-on experience with tools like Chef, Puppet, and Docker (container management/micro-services). Monitoring: Expertise in monitoring large-scale systems using technologies such as ELK . Problem Solving: Strong diagnostic skills across all levels of the tech stack and experience troubleshooting service outages. Agile Methodology: Experience working within an Agile Scrum team and using supporting tools like Jira. Testing & Open Source: Familiarity with automation frameworks (Selenium) and a track record of improving Open Source Software. TPBN1\_UKTJ

+6 months +

+Fully remote working

+SC cleared - must hold current active clearance

+Sole British nationals only - due to nature of the project

Skills:

+AWS

+DevOps Engineer

+Kubernetes

+Public Sector experience

+Testing experience - can set the Testing process up from beginning to end and to be able to own it

We’re looking for an experienced AWS DevOps Engineer to design, build, and optimise secure, scalable cloud environments in a fully remote role.

Key Responsibilities

• Deliver Infrastructure as Code using Terraform, CloudFormation, or Ansible
• Build and manage containerised environments with Docker and Kubernetes
• Architect and optimise AWS services across compute, networking, storage, and security
• Design and maintain CI/CD pipelines (Jenkins, GitLab CI, GitHub Actions, CircleCI)
• Automates testing, integration, and deployment processes.
• Embed DevSecOps practices using tools such as SonarQube, Snyk, and OWASP
• Implement monitoring and logging (Prometheus, Grafana, ELK)

Experience Required

• 5-10+ years in DevOps / Cloud Engineering
• Testing experience - can set the Testing process up from beginning to end and to be able to own it
• Strong AWS architecture and security expertise
• Proven IaC and CI/CD delivery experience
• Solid Docker and Kubernetes knowledge
• Ability to influence stakeholders and mentor teams

Fully remote, high-impact role within a forward-thinking cloud engineering team.

If you’d like to discuss this AWS DevOps Engineer in more detail, please send your updated CV to (url removed) and I will get in touch.

Site Reliability Engineer (SRE) - Active SC required! Up to £55,000 + benefits Hybrid (UK-based)

We’re looking for a Site Reliability Engineer to join a growing technology team delivering highly scalable, resilient systems across a range of enterprise environments.

This is a fantastic opportunity for someone with a solid foundation in DevOps/SRE practices who wants to deepen their expertise in automation, reliability, and cloud-native technologies.

What you’ll be doing:

• Supporting the reliability, availability, and performance of production systems
• Monitoring applications and infrastructure, responding to incidents and driving resolution
• Automating manual processes to improve efficiency and reduce risk
• Collaborating with engineering teams to improve system design and resilience
• Contributing to CI/CD pipelines and infrastructure-as-code practices

What we’re looking for:

• Experience in an SRE, DevOps, or similar engineering role
• Knowledge of cloud platforms (AWS, Azure, or GCP)
• Familiarity with monitoring/logging tools (e.g. Prometheus, Grafana, ELK)
• Scripting or programming skills (e.g. Python, Bash, Go)
• Understanding of containers and orchestration (Docker/Kubernetes is a plus)

Why apply?

• Work with modern, cloud-native technologies
• Supportive environment with strong learning and development opportunities
• Clear progression path into senior SRE roles

Senior AWS DevOps Engineer (Test & Infrastructure Resilience)

Location: Remote Working

Security Clearance: Must be eligible for SC Clearance

6 Months Contract

400 to 600 a day inside IR35

A top-tier consultancy firm is looking for an experienced AWS DevOps Engineer with a strong background in testing to help maintain and evolve Critical National Infrastructure (CNI) for a top UK client.

This is a pivotal role in maintaining critical national infrastructure where scalability and resilience are essential. We’re looking for a highly skilled DevOps engineer with a strong background in testing (including APIs). The ideal candidate should be self-motivated and results-driven, capable of thriving in an Agile team. You’ll need to be comfortable with Confluence for documentation and Jira for project tracking and story management.

Your main responsibility will be to develop and structure a comprehensive test framework. This includes creating approaches and plans, gaining approval for those approaches, and ultimately delivering a complex set of functional and performance tests for software components running within an AWS multi-account model. You will be working alongside client teams and supporting, as required, in a 3rd line capacity.

Key Technologies

• Security & Service Mesh: Vault, Consul
• Orchestration: Kubernetes
• Cloud: Various AWS services (Compute, Identity)
• Monitoring & Logging: Prometheus, ELK
• CI/CD: Jenkins
• Scripting: Python, Ansible, and/or Bash
• Networking (Advantage): Proxies and firewalls, including Fortinet and Palo Alto

Location: Remote Working 6 Months Contract 400 to 600 a day inside IR35

Security Clearance: Must be eligible for SC Clearance

If this seems of interest, please apply directly to the ad or send your CV to (url removed).

Randstad Technologies is acting as an Employment Business in relation to this vacancy.

Our client, a prominent entity within the Defence & Security sector, is currently searching for a dedicated and skilled DevOps Systems Engineer (Systems Solutions Engineer) to join their team in Wiltshire.

This is more than a job - it’s a mission. You will be part of a high-impact, collaborative environment, contributing to the vision of designing, delivering, and transforming collective training for the UK forces.

Key Responsibilities:

• Designing, deploying, and supporting integrated system and application solutions across physical, virtual, and cloud environments through CI/CD pipelines
• Translating operational and technical requirements into implementable system architectures and solution designs
• Supporting the deployment, configuration, and integration of systems and applications within development and operational environments
• Ensuring system solutions meet performance, reliability, security, and interoperability requirements across platforms and environments
• Acting as the technical liaison between engineering teams and supply chain partners
• Reviewing technical proposals and assisting with integration planning
• Coordinating with engineering and supply chain teams to ensure delivered components and systems meet required technical and operational specifications
• Supporting system testing, validation, and troubleshooting to ensure successful deployment and operational readiness
• Collaborating with cross-functional teams including software engineers, network engineers, architects, and programme teams
• Integrating third-party technologies and vendor solutions into the broader systems architecture
• Developing and maintaining technical documentation
• Maintaining awareness of emerging technologies and tools

Job Requirements:

We are looking for individuals who have a mission focus and the enthusiasm and drive to ‘get things done’. You should be able to collaborate effectively with defence organisations. The ideal candidate will possess the following skills and experience:

• Engineering background with a degree in a relevant discipline or equivalent professional experience
• Proven experience designing, deploying, and supporting integrated systems and application solutions across hybrid environments (cloud and on-premise)
• Strong understanding of systems integration principles across software, infrastructure, and networking layers
• Ability to translate operational and technical requirements into practical system architectures and deployment plans
• Experience supporting technical deployments within structured delivery environments (e.g. Agile or SAFe)
• Strong analytical and problem-solving capability with experience diagnosing complex system issues
• Understanding of system security principles and governance requirements
• Experience designing and deploying containerised solutions using orchestration technologies (e.g. Docker, Kubernetes)
• Experience implementing CI/CD pipelines and DevOps tooling (e.g. GitHub, ArgoCD, Helm, Maven, SonarQube, Quay or equivalent)
• Experience using monitoring and observability platforms (e.g. Prometheus, Fluentd, ELK stack, Grafana)
• Experience integrating and supporting database solutions (e.g. MongoDB, PostgreSQL, MSSQL)
• Experience deploying and operating systems within cloud platforms such as Azure or AWS
• Experience supporting system testing, validation, and troubleshooting during deployment and operational phases

Desirable Skills and Experience:

• Experience working with Red Hat OpenShift and Ceph storage platforms
• Programming experience (e.g. Python, JavaScript)
• Experience working with event streaming and data pipeline technologies (e.g. Kafka, Apache NiFi, Apache Spark)
• Experience delivering multi-system integration projects within defence, government, or highly regulated environments
• Experience implementing and configuring training simulation technologies across Live, Virtual, and Constructive (LVC) environments
• Experience working with external suppliers and vendors to deliver integrated technical solutions
• Experience supporting procurement or supply chain teams by translating technical specifications and integration requirements
• Understanding of interoperability standards or integration frameworks used within enterprise or defence systems

Benefits:

• Competitive salaries
• 25 days holiday + statutory public holidays, with an option to buy and sell up to 5 days
• Contributory Pension Scheme (up to 10.5% company contribution)
• Company bonus scheme (discretionary)
• 6 times salary ‘Life Assurance’ with pension
• Flexible Benefits scheme including Health Cashplan, Dental, and Cycle to Work amongst others
• Enhanced sick pay
• Enhanced family friendly policies including enhanced maternity, paternity & shared parental leave
• Car / Car allowance (dependant on grade/ role)
• Private Medical Insurance (dependant on grade)

Work Culture:

• 37hr working week, although hours may vary depending on role or job requirement
• Early finish on Fridays, starting the weekend at 1.30pm
• Remote, hybrid, and site-based working opportunities
• A flexible working culture that is output focussed
• Up to 5 paid days volunteering each year

If you are a capable and committed DevOps Systems Engineer (Systems Solutions Engineer) looking for a new opportunity to develop your career within the Defence & Security sector, we would love to hear from you. Apply now to join our client’s dynamic and talented team in Wiltshire.

At CV-Library, we have a simple vision: to help the world to work and we are looking for exceptional and talented people to help us realise this vision in both UK and overseas markets.

We are in a period of focused internal investment, following a year of key strategic acquisitions and significant investment across all parts of the business, from Tech and Data to People and HR, there’s never been a more exciting time to join us or a better place to grow your career!

The Role

Hours: Monday-Friday, 9:00-17:30
Location: Fleet
Working Pattern: Hybrid - 3 days a week on site

We are looking for a proactive Service Desk Engineer to support internal IT services and business-critical web applications. This role combines traditional service desk responsibilities with hands-on application support, working closely with engineering and infrastructure teams to triage issues, analyse logs, and ensure smooth day-to-day operations.

The idea candidate will be comfortable managing internal IT processes (starters, movers, leavers) while also investigating application incidents using modern observability and logging tools.

Responsibilities:

• Provide support for internal IT services, including user onboarding, offboarding and access management (starters, movers, leavers)
• Act as a first point of contact for application and platform-related incidents
• Triage web application issues and collaborate with engineering teams for resolution
• Investigate system and application logs to identify root causes of incidents
• Monitor alerts and proactively respond to service disruptions
• Manage tickets and workflows within the ITSM platform
• Support incident, problem and change management processes
• Document troubleshooting steps, known issues and operational procedures
• Assist in improving service desk workflows and operational efficiency
• Escalate issues appropriately while maintaining ownership through resolution

What we’re looking for

• Strong ITSM knowledge with hands-on experience using Jira Service Management including workflow and automation
• Experience supporting internal IT services and user s
• Familiarity with log analysis tools such as Kibana and ELK stack
• Exposure to AWS CloudWatch Logs or similar cloud logging platforms
• Ability to investigate and triage web application issues
• Understanding of structured log queries and log searching techniques
• Basic knowledge of SQL for querying and debugging data issues
• Exposure to Kafka concepts and troubleshooting message flows
• Familiarity with monitoring and observability tooling
• Understanding of REST APIs and web application architecture (beneficial)

We are actively committed to promoting a fully diverse and inclusive workforce and we welcome applications for this role from all candidates who meet the key requirements.

Please do not hesitate to get in touch should you require any reasonable adjustments to assist with your application.

Reading (Hybrid)

Permanent

to £85,000 (DOE)

Java Developer needed with active SC Security Clearance for a permanent position based in Reading (Hybrid). Start ASAP in Spring 2026.

Hybrid Working - primarily working from home (WFH), with travel to the office a few times a month on average.

A chance to work with a leading global IT transformation business specialising in delivering large-scale Government digital modernisation projects.

Key skills, experience + responsibilities:

• Java Developer with strong Back End Java experience to develop new features for a portfolio of Government Clients.
• Java 8/11/17, Spring Framework, Spring Boot, JEE standards (JPA, JMS, CDI), REST APIs, Oracle DB, PL/SQL.
• Microservices development on AWS/Azure Cloud platforms including Design Patterns.
• Java development experience for large-scale integration projects involving messaging, web services + distributed systems.
• Tech Environment: AWS (ECS, EKS, API Gateway, Serverless), ELK stack (Kibana), DevOps/CI, Git, Jenkins, Ansible, Terraform, RabbitMQ + IBM MQ.
• Agile development methods including: Scrum, TDD, BDD, Kanban.
• Advantageous: Government/GOV.UK/Public Sector experience, Containerisation (Docker/Kubernetes), AppDynamics, Angular, React, web apps, domain driven design (DDD).
• Benefits: Salary to £85k (DOE) + Hybrid Work + 10% Bonus + Pension + 22 days holiday + BHs (rising to 25 days) + Death in Service + Health Care Plan + More.

Senior Site Reliability Engineer (Observability)

Location: London/UK (Remote)

Contract: 12 Months Initial

Day rate : 55 Per Hour - 62 Per Hour Inside IR35

Job Overview

We are looking for a Senior Site Reliability Engineer with strong experience in Observability, Monitoring and Distributed Systems to support large-scale cloud infrastructure supporting millions of devices globally. The role focuses on building and scaling monitoring, logging and alerting platforms to ensure high availability and performance of cloud services.

Responsibilities

• Design, deploy and scale observability platforms
• Manage and scale Prometheus monitoring systems
• Deploy and maintain large Elasticsearch clusters
• Build and maintain data pipelines using Kafka
• Develop alerting and monitoring frameworks
• Automate infrastructure using Terraform and Ansible
• Develop tools and scripts using Python, Go, Ruby or Bash
• Work with Linux systems (Debian/Ubuntu)
• Participate in on-call rotation
• Improve system reliability, performance and scalability

Required Skills

• 5+ years experience in Site Reliability Engineering / DevOps
• Strong Linux systems experience
• Observability and Monitoring tools experience
• Prometheus, Grafana, ELK Stack (Elasticsearch, Logstash, Kibana)
• Kafka
• Terraform / Infrastructure as Code
• Ansible / Configuration Management
• Programming experience (Python, Go, Ruby or Bash)
• Distributed systems and cloud infrastructure experience

This is an urgent vacancy where the hiring manager is shortlisting for an interview immediately. Please apply with a copy of your CV or send it khushboo. Co. uk

Randstad Technologies is acting as an Employment Business in relation to this vacancy.