Your new company You’ll be joining a public sector organisation that plays a key role in setting standards, governance and best practice across its field in the UK. The organisation has a strong digital focus and is continuing to modernise its cloud infrastructure and deployment practices to support internal users and external stakeholders. The environment is collaborative, stable and supportive, with a strong emphasis on security, reliability and long‑term improvement rather than short‑term delivery.
Your new role As an Infrastructure Engineer, you’ll support and develop a modern AWS‑based infrastructure while working closely with developers to improve application delivery and deployment processes. This role offers a clear progression path into a DevOps position, providing hands‑on exposure to automation, CI/CD, Infrastructure‑as‑Code and cloud engineering practices.
You’ll take ownership of day‑to‑day cloud infrastructure operations, while gradually increasing your involvement in DevOps tooling and workflows such as CI/CD pipelines and automated deployments.
Benefits include: 33.75‑hour working week, shorter than the standard 37.5 hours
Remote working options to support work-life balance
25 days’ annual leave plus bank holidays, with additional leave accrued through service
Generous pension scheme, with employer contributions of up to 12%
Private medical insurance and health insurance options
Key responsibilities include: Maintaining, patching and monitoring AWS Linux servers and services
Building, configuring, documenting and retiring cloud infrastructure resources
Managing AWS services including EC2, RDS, VPC, S3, IAM, Route 53, Load Balancers, Auto Scaling, Security Groups and CloudFront
Supporting SQL databases (Postgres or MySQL), including installation, backup, restore and migration
Monitoring cloud usage and costs and suggesting efficiency improvements
Installing and configuring web and application software (Apache, Nginx, PHP, Python)
Managing Cloudflare DNS and firewall configuration
Installing, configuring and renewing SSL certificates
Contributing to CI/CD pipelines using GitHub Actions
Supporting the security, patching and modernisation of legacy systems
What you’ll need to succeed: Strong hands‑on experience with AWS infrastructure
Good Linux systems administration experience
Experience working with SQL databases (Postgres or MySQL)
Exposure to CI/CD, ideally using GitHub Actions
Confidence using the command line
Shell scripting experience (bash, sh, YAML)
DNS configuration and SSL certificate management knowledge
Understanding of networking concepts such as VPCs, subnets and security groups
Desirable experience includes: Cloudflare
Infrastructure-as-Code tools
Azure exposure
Docker
PHP or Python
SQL querying
What you’ll get in return:This role offers an excellent long‑term career proposition with clear progression into a DevOps position, with hands‑on experience in CI/CD, automation and cloud engineering. You will join a supportive environment and a role offering strong benefits, flexible working and genuine development opportunities. What you need to do now
If you’re interested in this role, click ‘apply now’ to forward an up-to-date copy of your CV, or call us now.
If this job isn’t quite right for you but you are looking for a new position, please contact us for a confidential discussion on your career. Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C’s, Privacy Policy and Disclaimers which can be found at (url removed)

We are recruiting for a C++ Developer on contract to work for a leading Defence organisation based in their Portsmouth office 3 days and 2 remotely.

Candidates will have current SC clearance and be a British National.

The role of Embedded Software Engineer is required due to increased demand for the work of our Advanced Developments Group. The ADG are a small team of highly innovative, enthusiastic engineers providing cutting edge technology solutions to our key customers.

Responsibilities

• Use your skills and knowledge to prototype innovative wireless solutions
• You will be primarily developing using C/C++ on Embedded platforms
• Development of Embedded software/firmware prototypes in an agile environment
• Further development of proven prototypes to a deployment standard
• Development of software in a Real Time Embedded environment using Linux. (eg Microblaze or RISC-V using C/C++)
• Experience of working with and configuring Embedded Linux systems with tools such as Buildroot and Yocto
• Experience of working with Uboot, Kernel config and device trees
• Building and deploying Embedded Linux systems in an offline environment

Skill Set

Essential

• Security clearance required on submission
• Experience programming Embedded Systems using C/C++
• Experience of bare-metal and Embedded Linux environments
• Experience of linux device drivers including DMA, Interrupts, and Device Trees
• Knowledge of Digital Signal Processing
• Knowledge of Software Defined Radio

Job title:

Senior SIEM engineer /Technical SME

Will the role be 100% remote, hybrid or 100% office?

Remote with rare visit to office

If the role is hybrid/ office based specify location:

Guildford

WON / SWON:

New T&M position

Duration of assignment:

6 months

Start date:

15 Apr 2026

Number of persons required:

1

Special working conditions:(travel, weekend, overtime, on call etc.)

NA

Role description:(Please include a brief outline of the impact this role will have, including overview of customer industry and projects, access to cutting-edge technology etc.)

Technical SME in Cybersecurity space

Key responsibilities:(Up to 10, Avoid repetition)

KQL:Expert Level

• • Able to develop and maintain high-fidelity detection rules usingKusto Query Language
  • Able to utilizeKQLfor detection engineering, analytics, and threat-hunting.

Microsoft Sentinel:

• • Act as the technical SME
  • Hands-on experience including analytics rules, connectors, and workbooks.
  • Ensure platform reliability and data quality.
  • Coordinate the end-to-end onboarding of log sources into Sentinel.

Key skills/knowledge/experience:(Up to 10, Avoid repetition)

• Expert in KQL
• Technical SME for Sentinel set up
• Strong understanding of cloud and on premises logging (Windows, Linux, application, DB, identity).
• Experience onboarding data using AMA, DCRs, syslog/CEF, and Event Hub integrations.
• Comfortable using AI assisted tooling (e.g., Copilot for Security) to enhance productivity.

Person specification:I.e., negotiating, client facing, communication, assertive, team leading/team member skills, supportive.

• Client facing Technical SME

Firmware / Embedded Software Engineer (Next Generation IoT Wearable Devices)
Location: Cambridge (Remote) Salary: £55,000 £65,000 + Excellent Benefits Contact: *Adam Mayne (url removed) (phone number removed)

Embedded Software Engineer Opportunity
An exciting opportunity has arisen for an experienced Firmware / Embedded Software Engineer to join a rapidly growing technology company developing next generation IoT, Bluetooth enabled, low power wearable devices.
You ll be part of a talented, supportive R&D team working on real products with real users, contributing to both current generation firmware and new product development from concept through to mass production.
This is an environment known for innovation, employee development, and a genuinely collaborative culture, offering excellent training, career growth and the chance to work with cutting edge embedded technologies.

Responsibilities of Firmware Engineer

• Designing and developing embedded firmware for IoT wearable products
• Working across the full product lifecycle prototyping, implementation, optimisation, validation and release
• Creating efficient, reliable firmware for battery powered, resource constrained devices
• Developing and maintaining low level drivers, communication interfaces and wireless protocol stacks
• Collaboration with hardware, electronics and software teams to deliver high quality, production ready systems

What we are looking for, as much as possible from below.
Education & Core Skills

• Degree/Masters/PhD in Computer Science, Electronics, Embedded Systems or similar
• Strong commercial experience in embedded C development (ideally 5+ years)
• Experience with RTOS environments such as FreeRTOS, Zephyr, ThreadX or similar
• Confident working in Unix/Linux development environments
• Strong grounding in software testing (unit, regression, system)

Embedded & Firmware Expertise

• Experience writing device drivers directly from datasheets
• Knowledge of low power design techniques and firmware optimisation for constrained MCUs
• Experience working with BLE/Bluetooth, WiFi, Cellular or other wireless protocols
• Experience with battery-powered, low-energy devices is highly beneficial
• Familiarity with Git, Jira, Bitbucket, or similar tooling

Nice to Have

• Prior experience with wearable technologies
• Cellular expertise (e.g., LTE M, NB IoT)
• Exposure to embedded Linux environments

We’re working with an established technology business operating at the forefront of the audio technology space. They’re looking for an FPGA Engineer to help design ultra-low-latency audio platforms used in demanding live environments globally. What You’ll Be Working On \* Building FPGA-based audio engines focused on low latency and high accuracy \* Developing signal-processing features and audio routing solutions \* Designing and implementing communication between audio systems and external devices \* Writing clear, testable HDL and supporting software \* Verifying designs using simulation and industry-standard verification approaches \* Working closely with electronics and systems engineers to shape overall architectures \* Reviewing schematics, selecting components and supporting hardware bring-up \* Producing clear documentation to support long-term maintainability What We’re Looking For \* Commercial experience in FPGA or low-level firmware development \* Strong VHDL skills \* Solid grounding in digital signal processing \* Understanding of high-speed digital design, memory, clocking and data movement \* Experience interfacing with audio and serial protocols (e.g. I2C, SPI, UART, I2S) \* Comfortable collaborating with cross-disciplinary and geographically distributed teams Useful (But Not Essential) Experience \* Xilinx FPGA platforms and toolchains \* Audio-over-IP technologies (e.g. Dante, AES67) \* Ethernet and networking concepts \* DSP programming (including SHARC) \* C/C++ alongside HDL \* Embedded Linux or bootloader experience \* Exposure to digital audio products or mixing systems Why This Role? \* Work on technically challenging products where performance really matters \* Play a hands-on role across architecture, development and verification \* Join a collaborative, engineering-driven environment \* Ongoing training and development to support long-term career growth \* Competitive package and international collaboration opportunities If you're looking for an exciting new FPGA focused role, then please apply now

Company Description

Version 1 has celebrated 30 years in business and continues to be trusted by global brands to deliver technology and transformation solutions that drive customer success. Our deep expertise enables our customers to navigate the rapidly evolving technology landscape. We foster strong partnerships with global technology leaders including Microsoft, AWS, Oracle, Red Hat, OutSystems, Snowflake, ensuring that our customers are provided with the highest quality solutions and services.

Were an award-winning employer reflecting how our employees are at the very heart of what we do:

• UK & Ireland’s premier AWS, Microsoft & Oracle partner

3300+ strong, €350/£300m revenue business
10+ years as a Great Place to Work in Ireland & UK
Best Workplace for Women in the UK & Ireland by GPTW
Best Workplace for Wellbeing in the UK by GPTW

Were a core valuesdriven company, we hire people who share our values, and we reward those who display and foster them, its deeply embedded within our DNA. Invest in us and well invest in you.

Job Description

Version 1 is looking for an experienced consultant to join one of our major client project teams. The ideal candidate will have a proven track record of developing and supporting Database Server solutions for mid to enterprise level organisations. We are looking for an individual who enjoys a fast pace, can prioritise workload, and is eager to gain industry experience. You will have solid background in Microsoft SQL Server technologies.

This is a great opportunity for the successful candidate to progress their existing skills with a leading Microsoft Gold Partner and Oracle Platinum Partner working with cutting edge technologies.

You’ll work within a team of experienced Oracle and SQL Server DBA/Developers, exercising and developing the wide range of necessary skills that distinguishes a rounded consultant:

• The technical ability to problem solve complex issues.

The flexibility to move between clients, projects, technologies.
A collaborative team member.
Develops understanding of clients business, applications, and users.
Effectively communicate technical issues to business users.
Ability to identify, recommend and implement continuous service improvements.
Client facing skills.

Qualifications

SQL Server Database Administration and Support, including demonstrable experience designing database solutions on-premises and in public and private clouds.
Solutions design including preparing the inventory, preparing, and scoping, looking at pre-requisites, training and identifying the migration approach for migrations to be conducted.
Full migration lifecycle activities including, but not limited to detailed analysis, design, development, test, user acceptance test support and production implementation.
Identifying and correcting performance issues, reviewing systems and error logs, storage management, backups, job monitoring, optimization efforts, data integrity analysis and resolving database contention issues.
The migration of pre-production and production database services. Where application remediation is required, the migration of development and/or system test database services.
Significant Database experience in SQL Server environments.
Experience with SQL Server high availability technologies and disaster recovery methods.
Demonstrable database automation experience in scripting technologies.
SQL Server clustering, replication and log shipping an advantage.
T-SQL, SQL, SSIS Oracle RDBMS 12c Oracle RAC Red Hat Linux skills would be good to have.

Please note: This role is open to candidates based in Northern Ireland only.

Additional Information

Why Version 1?

At Version 1, we believe in providing our employees with a comprehensive benefits package that prioritises their wellbeing, professional growth, and financial stability.

• Share in our success with our Quarterly Performance-Related Profit Share Scheme, where employees collectively benefit from a share of our company’s profits

Strong Career Progression & mentorship coaching through our Strength in Balance & Leadership schemes with a dedicated quarterly Pathways Career Development programme
Flexible/remote working, Version 1 is tremendously understanding of life events and peoples individual circumstances and offer flexibility to help achieve a healthy work life balance
Financial Wellbeing initiatives including; Pension, Private Healthcare Cover, Life Assurance, Financial advice and an Employee Discount scheme
Employee Wellbeing schemes including Gym Discounts, Bike to Work, Fitness classes, Mindfulness Workshops, Employee Assistance Programme and much more. Generous holiday allowance, enhanced maternity/paternity leave, marriage/civil partnership leave and special leave policies
Educational assistance, incentivised certifications, and accreditations, including AWS, Microsoft, Oracle, and Red Hat
Reward schemes including Version 1s Annual Excellence Awards & Call-Out platform.
Environment, Social and Community First initiatives allow you to get involved in local fundraising and development opportunities as part of fostering our diversity, inclusion and belonging schemes.

And many more exciting benefits drop us a note to find out more.

Version 1 is an equal opportunities employer.

We are committed to building a diverse, inclusive and respectful workplace where everyone feels valued and able to thrive. We welcome applications from people of all backgrounds, identities and lived experiences, and we value the different perspectives people bring.

We want every candidate to have a positive and accessible recruitment experience. If you need reasonable adjustments at any stage of the process, please contact [recruiter email address][EM1] at Version 1. We will consider all requests carefully, respectfully and confidentially.

Video links:

#LI-EB1

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
Python Developer - FX Options Pricing and Market Data Distribution
The FX Options Pricing and Market Data distribution team is going through significant reengineering and modernisation. We are looking for an experienced Python developer and technologist to take a hands-on role in building out data analytics capabilities and developing frameworks that enable data scientists to leverage market data.
Responsibilities:

• Contribute to the design and development of the electronic FX Options Data Platform
• Building out reliable and fast data pipelines for quantitative analysis and trading.
• Design, build and support our data analytic infrastructure
• Collaborate with a global team of developers, quants and traders to translate business requirements into robust technical solutions
• Drive the design and development of system architecture, work with users of the system, and enhance the quality of deliverables
• Contribute to the continuous improvement of development, deployment and testing processes
• Share your knowledge and mentor other developers, fostering a collaborative and innovative team environment

Required Skills:

• Strong knowledge and experience of Python development.
• Experience implementing front office systems for Quants and Trading.
• Proficiency with Python frameworks such as FastAPI, Flask etc for building scalable applications
• Experience with Python libraries for financial applications (NumPy, Pandas, asyncio)
• Hands-on practical experience delivering system design, application development, testing, and operational stability, particularly in Linux based cloud environments
• Openshift/Kubernetes experience with containerized Python applications
• Caching technologies e.g. Redis, Memcached or others
• Middleware technologies: Kafka, RabbitMQ, Solace, or other message brokers
• Experience with Python package management and dependency management (pip, uv, conda)
• Awareness of industry trends and leveraging new technologies as appropriate
• Proven track record of building new systems, replacing legacy systems and renovating existing systems

Nice to have:

• Java and/or C# development experience
• Experience with quantitative libraries
• Familiarity with CI/CD pipelines for Python applications
• Experience working in finance

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.

Vickerstock are proud to be working in partnership with a global engineering and technology organisation at the forefront of the Green Energy transition to recruit a Software / Firmware Test Automation Engineer to join their innovative R&D team.

This is a unique opportunity to work on cutting-edge technologies spanning embedded systems, advanced measurement solutions and cloud-based industrial platforms. You will play a key role in ensuring product quality across both firmware and software environments, working within an Agile Scrum team alongside development and product stakeholders.

The Role

• Design, implement and execute both manual and automated test solutions across a suite of products
• Develop and maintain automation frameworks using Python and relevant tools
• Identify opportunities to improve test efficiency, coverage and repeatability
• Create detailed test plans, test cases and ensure full traceability to requirements
• Execute smoke, regression and functional testing (manual and automated)
• Analyse defects, support prioritisation and work closely with developers to resolve issues
• Validate firmware fixes and analyse test results
• Capture debug outputs and support root cause analysis of firmware issues
• Maintain test records, release documentation and software artefacts
• Collaborate closely with cross-functional teams in a fast-paced Agile environment

What you will need

• Extensive experience in firmware and/or software test automation
• Strong hands-on experience with Python (Robot Framework highly desirable)
• Experience designing and maintaining test automation frameworks
• Proven ability in debugging, troubleshooting and defect analysis
• Experience working within Agile/Scrum environments
• Familiarity with CI/CD tools such as Jenkins
• Experience with version control systems (GitHub preferred)
• Strong organisational skills with the ability to manage multiple priorities

Desirable (but not essential)

• Degree in Engineering, Computer Science or similar
• Experience with embedded systems and environments
• Exposure to Docker/microservices testing
• Familiarity with Linux operating systems
• Experience with tools such as JIRA, HP ALM or similar
• Knowledge of CI/CD pipelines and cloud-based systems
• Experience working with electronic test equipment (e.g. oscilloscopes, signal generators)
• Ability to understand mechanical and electronic systems

What’s on offer

• Opportunity to work on cutting-edge technology in the renewable energy sector
• Collaborative and innovative R&D environment
• Exposure to both embedded systems and cloud-based technologies
• Competitive salary and benefits package

To speak in absolute confidence about this opportunity please send an up to date CV via the link provided or contact Ruairi McCann, Recruitment Manager at Vickerstock

Even if this position is not right for you, we may have others that are. Please visit Vickerstock to view a wide selection of our current jobs.

All conversations will be treated in the strictest of confidence.

Skills:
Software Firmware Test Automation Engineer

C++ Software Engineer – Warehouse Management Systems We’re hiring a C++ Software Engineer to work on a large‑scale Warehouse Management / Control System used to run highly automated distribution centres across retail, logistics, and industrial environments. This is a systems‑level role focused on software that controls real‑world warehouse operations in real time, rather than web or UI-driven applications. What you’ll be working on Development of C++ software for WMS / WES / WCS platforms
Real‑time control of automated warehouse environments
Integration with conveyors, robotics, sortation, and storage systems
Long‑term, production systems used in live operational sites
Linux‑based environments with strong engineering standards Tech stack C / C++
Java (supporting)
Linux / Unix
Shell scripting
Jira or similar tooling What we’re looking for Commercial experience with C++
Comfortable working on complex, integrated systems
Exposure to warehouse systems, automation, industrial software, or similar environments is a strong advantage Location UK‑based role
Occasional office presence in the Midlands / South Midlands, with a largely remote working model If you’re interested in C++ development that sits close to hardware and automation, I’d be happy to share more details

The Role:This role involves delivering expert level services for GE PowerOn Reliance (PoR) SCADA, with a strong focus on validating and testing the system implementation against the defined functional, non functional, and integration requirements. It requires close collaboration with customers, implementation partners, system integrators, and internal delivery teams to ensure that the solution meets operational expectations and industry standards.It also requires coordinating with multiple stakeholders to validate system functionality across SCADA, EMS, and related PoR. components, ensuring successful end to end deployment.
Your responsibilities:Specific responsibilities include (but not limited to):Collaborated with system users and project teams to understand project scope, requirements, and operational workflows.Provided expert services for the GE Power-On Reliance SCADA EMS System, covering functional, non-functional, interface, and integration testing.Designed comprehensive test scenarios and executed detailed test cases to ensure complete coverage across all system functionalities.Reviewed and analyzed functional design documentation to validate that all test cases fully addressed system requirements.Worked within Agile Scrum teams, collaborating closely with Product Owners (POs), SCADA SMEs, and business testers to create well-defined user stories and corresponding acceptance tests.Monitored and reported progress of test preparation and execution using JIRA/XRAY, ensuring adherence to defined testing processes.Identified, documented, and managed risks and issues related to testing, providing mitigation recommendations where needed.Ensured consistency in testing approaches by following centrally defined Test Strategy, Test Approach, and Phase Test Plans.Developed, executed, and maintained manual and automated test scripts.Performed testing across multiple environments, including web, desktop, and mobile platforms.Documented defects through detailed and accurate bug reports, ensuring clear traceability and reproducibility.Provided guidance and support to team members to ensure correct implementation and verification of requirements during testing.
Your ProfileEssential skills/knowledge/experience:Strong hands-on experience with GE PowerOn Reliance (PoR) SCADA product used in Transmission SCADA environments, including core components and operational modules.Skilled in the configuration of SCADA and EMS modules within PowerOn Reliance.Worked extensively on PoR modules such as Group Telecontrol, Automation, System Tracing, Symbol Design, Alarm Configuration, and related features.Experienced in integrating PowerOn Reliance with external corporate application systems and enterprise interfaces.Hands-on experience with setup and configuration of SCADA for simulation and testing of SCADA data flows.Skilled in setting up and configuring multiple PoR components, including:oApplication ServeroDatabase ServeroReports ServeroFEP (Front-End Processor) ServeroHistorian DatabaseoDPF (Distribution Power Flow) Application ServeroProxy ServerGood understanding of PoR cartography for network modelling, topology creation, and geospatial mapping.Strong knowledge of both Windows and Linux server environments used within OT/IT systems.Understanding of IT/OT cybersecurity standards, including NERC CIP compliance requirements.Expertise in creating and executing test plans, test cases, acceptance testing, and supporting system transition activities.Familiar with industry standards and protocols related to power systems and control systems, including:oIEC 101, IEC 104, GI 74, IEC 61850oIEEE power system standardsExperienced working within Agile methodologies, collaborating with cross-functional and Scrum teams.Hands-on experience using test management tools such as JIRA, and similar platforms.Strong working knowledge of regulations, standards, and operational requirements governing modern power systems.Ability to leverage utility domain knowledge to engage effectively with client utilities, understanding their operational practices, methodologies, and needs in Electric Distribution Operational Systems.

Fully Remote - Principal DevOps Engineer - £125k w/bonus - Payment Processing

Thisglobal payment processing companyare building the next generation of capabilities that powers our merchant-first ecosystem. You will be joining a company which is looking to become amarket leader and this ambition rings through every department and team. They believe that focused and empowered teams can do great things and want like-minded people to join them on this exciting journey.

Why This Role?

This is a fantastic opportunity to grow and evolve within a DevOps Engineering function with the opportunity to work as an SME within the team, You will get the opportunity to lead efforts in architecting, implementing and optimising end-to-end CI/CD capabilities for their expanding on-prem and multi-cloud operations.

You will be working in adynamic and exciting, agile environment that includes multiple teams within the company.Culture fit and collaboration are as essential to this company as you technical capabilities so sharing team achievements and individual successes are considered very important to them. You will also have the option towork fully remote across the UK and Ireland.

What You Will Be Doing

• Owning theend-to-end engineering delivery platform, from developer commit to production artifact across both cloud and on-premise environments.
• Standardising onDocker and Docker Compose as the containerisation surface for both local development parity and production workloads.
• Owning theartifact repository strategy, promotion gates, retention policies, vulnerability scanning integration, andmulti-ecosystem support.
• DrivingTerraformas the single source of truth for all infrastructure.
• Optimising established module standards, remote state management, and automated drift detection.
• Identifyingsystemic delivery problemsacross teams, building consensus on solutions and deliver durable outcomes.
• Mentoring Senior Engineers, conducting technical design reviews, and raising the organisational floor of DevOps knowledge through documentation, workshops and deliberate pairing.

What You Will Need To Have

• Bachelor’s Degree in Computer Science, Software Engineering or equivalent professional experience.
• 10+ years of hands-on technical experiencewith a majority worked in an on-prem environment.
• Experience with enterprise virtualisation platforms (VMware vSphere, Hyper-V) in on-premise environments as part of a broader IaC strategy.
• Production experience delivering to both anon-premise Windows and Linux infrastructure andcloud environments (AWS, Azure, Oracle Cloud or GCP).
• Comfortable administeringLinux and Windows in an automation-first inGithub and Github Actions. Reusable workflow authoring, composite actions, environment protection rules, OIDC-based cloud authentication, and secrets management integration.
• Experience of overseeing either a platform migration led end-to-end, a CI/CD system re-architected at scale or a cultural change in delivery practice
• Expertise inTerraformmodule authoring, remote state backends, provider version pinning, import workflows, and policy enforcement via Sentinel or OPA.
• Strong experience withHashicorp Vault.

Skills:
Dev Ops Software Development CI/CD Terraform Hybrid Cloud On-Prem Cloud Linux

Benefits:
Work From Home Remote Bonus Work From Home Allowance Pension Healthcare

The Role We are looking for an Embedded Software Engineer to join a growing development team working on advanced systems and user interfaces. You will be involved in the full software lifecycle, from design and development through to testing and deployment. This role will suit someone with strong C++ skills and experience working on embedded or real-time systems, with exposure to Qt-based UI development. Key Responsibilities \* Design, develop and maintain embedded software using C/C++ \* Work on Linux or RTOS-based systems \* Develop user interfaces using Qt / QML \* Interface with hardware and peripherals (e.g. CAN, UART, SPI, I2C) \* Debug and optimise real-time systems \* Collaborate with cross-functional teams including hardware and systems engineers \* Contribute to system design, architecture and code reviews Required Skills & Experience \* Strong experience in C++ (and/or C) \* Experience working in embedded or real-time environments \* Knowledge of Linux or RTOS (e.g. QNX, FreeRTOS, Embedded Linux) \* Experience with Qt / QML or other UI frameworks \* Understanding of communication protocols (e.g. CAN, UART, SPI, I2C) \* Experience with debugging tools and version control (e.g. Git) \* Exposure to HMI development Desirable Skills \* Experience in automotive, industrial or similar domains \* Knowledge of embedded Linux build systems (Yocto, Buildroot) \* Familiarity with safety-critical standards (e.g. ISO26262, MISRA) What’s on Offer \* Opportunity to work on cutting-edge embedded systems \* Supportive and collaborative engineering environment \* Career progression and technical development \* Competitive salary and benefits package

The DevOps team is responsible for contributing to and reusing a set of standards-based DevOps patterns within a shared DevOps culture that will enable the Developers they partner with to accelerate the time-to-market of critical software applications to the Cloud and on-prem.

This is an opportunity to collaborate locally and across the globe with highly motivated and knowledgeable Architecture, Application Delivery Engineers,

Site Reliability Engineers, and Developers in our effort to continually improve the DevOps capabilities.

Our Lead DevOps at LSEG are responsible for ensuring the global availability of our analytics application and services. We place a high degree of trust and responsibility in the hands of our DevOps.

• Collaborate with cross-functional teams to define software system requirements and objectives .

• Design, develop, and maintain software applications infrastructures, focusing on scalability, reliability, automation, and performance.

• Develop, Implement, and maintain DevOps practices, including continuous integration, deployment, and automated testing.

• Providing technical support to Operations or other development teams.

• Manage software configuration, deployment, and release processes.

• Monitor and optimize cloud costs.

• Monitor and maintain applications security profile.

Essential Skills & Experience Required:

• 2+ years of professional experience in DevOps practices and Cloud

• Knowledge/experience of Azure or AWS Cloud Technologies (AKS, ACR, Azure Functions, Azure Web App etc.).

• Proficiency with Version Control Tools and CI/CD Tools (Git, GitLab) and related concepts such as branching/versioning strategies etc.

• Hands-on experience in developing CICD workflows/pipelines.

• Good knowledge of IaC and related technologies such as Terraform.

• Docker, containerisation and related orchestration frameworks such as Kubernetes

• Intimate knowledge of Linux environments, including system administration, networking, IAM, and well-developed problem solving skills.

• Good knowledge with implementing security standards inside the CI/CD pipelines ( Sonarqube , Semgrep etc. )

• Positive demeanour about learning new skills and technologies.

• Dedicated, goal-oriented teammate with good interpersonal skills.

• Ability to work in highly agile, Sprint-based team environment.

Education/ Certifications:

• A relevant degree or equivalent is desirable, but experience and the right approach to work are just as important.

• AWS/Azure certification a nice to have.

Career Stage:
Manager

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.

Production Support Engineer - Trading Systems

This is a rare chance to join the technology backbone of one of the world’s most ambitious digital asset firms - a company that operates at the intersection of institutional finance and crypto markets, moving serious capital across global venues every day.

The team supporting their trading and risk infrastructure needs a sharp, independent engineer who thrives in fast-moving environments. When the market is open, every second counts - and your instincts, speed, and depth of knowledge are what keep things running. This is not a service desk. You will be deep in logs, databases, and systems alongside traders and engineers - hunting root causes, not managing queues.

Key Responsibilities

• Lead investigation and resolution of production incidents across trading and risk systems
• Dig into logs, SQL, and system metrics to find root causes - not just symptoms
• Work directly with traders, quant teams and developers during live incidents
• Support order flow, execution pipelines, market data feeds, and trade lifecycle processes
• Build automation and tooling that eliminates repetitive manual operations
• Improve monitoring, observability, and alerting across the stack
• Participate in on-call and out-of-hours incident response

Key skills

• Linux / Unix environments
• SQL for investigation and debugging
• Production incident troubleshooting
• Monitoring tools - Geneos, Splunk, Dynatrace
• Scripting and automation - Python, Bash

Highly valued experience

• FIX protocol
• Exchange connectivity and market data systems
• Messaging systems - Kafka, Solace, Tibco, MQ
• Order management systems (OMS / EMS)
• Trading platform infrastructure
• Understanding of trading lifecycle and order flow

Salary: up to £200k + bonus

Company:

This hedge fund, with a cool start-up vibe, is the next big thing in systematic trading. Using the best technology and tools in the market, they are developing proprietary trading strategies, technology and algorithms to make tens of thousands of trades per second.

Technology is central to the success of this company: they rely heavily on the ultra-low latency of trades and high performance code, proudly branding themselves 97% tech-driven and ‘more like a software house’ than a bank. Although they work with a range of technologies - C++/Java/C# - candidates with any OO experience will be considered.

This is an entirely UK-based fund and is one of the best performing systematic prop funds over the last 10 years. All of the major decision-makers are based in London - which is a very rare advantage.

Position:

They are seeking several strong developers to join the EU development team based in London. With experience developing in OO languages [C++ or Java or C#] you will work on one of the core trading systems. While you need NO financial knowledge, you should be keen to learn.

This role is business facing; working with traders to implement new ideas and further enhance the in-house developed trading applications whilst maintaining scalability.

Your key responsibilities will be to produce the best trading tools in London. Finding new techniques on how to improve trading algorithms and systems, as well as improving performance on the current system will be crucial.

Required:

• Excellent OO knowledge [C++ / Java / C#]
• Degree (or relevant qualification) - preferably Computer Science or numerate subject
• Desire and ability to learn more, particularly about financial markets
• Commercially aware, priorities in business context
• Strong team-oriented attitude with natural inclination to share and collaborate

Helpful:

• Understanding and experience developing mission-critical, performance-sensitive, real-time systems
• Experienced in multithreaded (and preferably network) software development
• Cross-platform development [Windows and Linux]
• Thorough understanding of software development methodologies - especially scrum/agile methods
• Excellent verbal and written communication skills

NB: Please do not apply if you are a fresh graduate.

Benefits:

• Incredible salary & bonus
• They’re willing to be flexible with WFH
• Daily catering - breakfast, lunch, plus a fully stocked kitchen
• Chill-out area with pool table, table tennis, TV and Playstation
• Competitive annual leave, health & life insurance, gym membership
• Two discretionary performance-related bonuses a year

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 this sounds like you, or you would like to know more, please get in touch.

Andy Stirling-Martin
andy@oxfordknight.co.uk
020 3137 9579
linkedin.com/in/andrew-stirling-martin-7664a946

Salary: £200k base + bonus

Summary

Lively, positive spirit of a start-up, with the stability of a longer-established player, this leading quant firm is looking for an expert C++ engineer to join their core UI team. Their projects include applications for real-time trading and generation of information-rich visualizations based on archived data.

Developers here are highly valued and well-rewarded for hard work, and as a result, are some of the brightest minds from across the trading, tech and start-up industries. This team serves the UI needs across the business, and this role will involve writing highly optimized code for high-performance back-ends running on Linux to process huge amounts of data. There will also be an opportunity to do full-stack work, contributing to the C++ front-end code for Qt desktop applications, as well as Typescript/React for web applications.

Here, technology is viewed as key to their continued success. The successful C++ Engineer will be passionate about development, have a strong work ethic and be motivated to continually learn and improve.

Requirements

• Minimum 4+ years’ modern C++ development experience (C++ 11/14/17/20)
• Solid experience of Linux and low-level systems programming
• Knowledge of and ability to develop scalable back-end services
• Skilled at writing reliable code, and providing code review feedback to others
• Bonus points for any of: Typescript/Javascript, React, Qt, Python

NB: Please do not apply if you’re a fresh graduate.

Benefits

• Competitive base salary + bonus
• They’re willing to be flexible with WFH
• Enormous opportunity to grow, learn and have an impact
• Contributions are rewarded; career progression supported
• Free breakfast, lunch and dinner

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 this sounds like you, or you’d like to know more, please get in touch.

Andy Stirling-Martin
andy@oxfordknight.co.uk
020 3137 9579
linkedin.com/in/andrew-stirling-martin-7664a946

At Spacelabs Healthcare, our mission is to drive continuous innovation in healthcare technology to improve both clinical and economic outcomes. Our scalable solutions deliver critical patient data across local and remote systems, enabling better-informed clinical decisions, improved operational efficiency, and safer care environments. Why Spacelabs? Because lives depend on what we build. Role Overview As a Senior Software Engineer, you will be a key contributor within the Spacelabs R&D engineering team, working on the development of our Patient Monitoring and Connectivity (PMC) products. You will apply advanced software design and development practices to deliver high-quality, reliable solutions that support the next generation of patient-monitoring systems. In this role, you will act as both a hands-on engineer and technical leader, collaborating closely with cross-functional teams to solve complex engineering problems. You will play a critical role in shaping product architecture, mentoring other engineers, and ensuring solutions meet functional, performance, and cybersecurity requirements. Key Responsibilities: Collaborate with software engineers and cross-functional project teams to define software and system requirements for patient monitoring solutions Participate in cross-functional reviews covering software requirements, architecture, connectivity, and user interface design Contribute to component-level design and ensure alignment with existing interface specifications Help define software architecture, implementation strategies, and end-to-end product workflows Design, write, debug, document, and release software for the communication, storage, and analysis of physiological patient data within an Agile development environment Ensure on-time delivery of software, including design documentation, unit tests, and other required development artifacts Maintain high engineering standards and provide technical leadership while fostering respectful, collaborative relationships Uphold Spacelabs core values of Integrity, Innovation, Accountability, and Teamwork Required Qualifications: Bachelors degree in Computer Science, Computer Engineering, Mathematics, or a related engineering discipline 4+ years of relevant professional software development experience 3+ years of experience programming in C++ (C++11 or higher) using Object-Oriented Programming (OOP) principles Strong experience with multi-threaded software design and development Proven experience developing desktop Linux applications in an embedded environment Preferred Qualifications: Experience with Qt and/or QML Experience with modern desktop UI frameworks such as WPF, WinUI 3, or UWP Experience working in regulated development environments (e.g., medical, finance, aerospace, or defence) Experience developing integrated hardware and software medical devices Familiarity with containerization technologies and DevOps environments Working knowledge of tools such as Azure DevOps, Git, and CI/CD pipelines Strong understanding of Agile development and Continuous Delivery principles Experience collaborating effectively with international teams across Europe, India, and the United States

Database Administrator

Build resilient databases. Power critical platforms. Shape the future of data.

Our client is a tech-driven organisation operating at the heart of the UK digital ecosystem, supporting thousands of businesses through a complex, high-availability platform. Behind the scenes, robust data infrastructure is critical - and that’s where you come in.

We’re looking for an experienced Database Administrator who enjoys keeping systems stable, performant, and future-proof, while continuously improving how data environments are designed and supported.

If you thrive in a role that mixes hands-on technical ownership with collaboration, problem-solving, and continuous improvement, this could be a great fit.

What you’ll be doing

• Install, configure, and maintain SQL Server (and some MySQL) environments
• Monitor performance, availability, and capacity
• Troubleshoot and resolve complex database incidents
• Remediate Legacy SQL environments
• Maintain backup and recovery strategies
• Provide 2nd and 3rd line support
• Collaborate with development teams
• Document processes and standards
• Participate in infrequent paid out-of-hours support

What we’re looking for

• Experience in a Database Administrator role
• Strong SQL Server experience and ideally some MySQL
• Linux and Shell Scripting experience
• Experience with high-availability technologies (AGs, replication, ProxySQL)
• Strong SQL writing and optimisation skills

What’s in it for you

• Flexible working options
• Ongoing career development
• No dress code
• 26 days annual leave plus bank holidays
• Pension scheme
• Inclusive and diverse working environment

Modis International Ltd acts as an employment agency for permanent recruitment and an employment business for the supply of temporary workers in the UK. Modis Europe Ltd provide a variety of international solutions that connect clients to the best talent in the world. For all positions based in Switzerland, Modis Europe Ltd works with its licensed Swiss partner Accurity GmbH to ensure that candidate applications are handled in accordance with Swiss law.

Both Modis International Ltd and Modis Europe Ltd are Equal Opportunities Employers.

By applying for this role your details will be submitted to Modis International Ltd and/or Modis Europe Ltd. Our Candidate Privacy Information Statement which explains how we will use your information is available on the Modis website.

Salary: £200k + bonus

Summary

Not your standard financial services provider, this firm prides itself on its flat hierarchy, avoiding bureaucracy whilst rewarding people on merit and excellence. Specialists within electronic market-making in FX, equity, fixed income and commodity markets, they have one of the best names in the industry.

Based in London, Chicago, Sydney & Amsterdam, they are looking to expand their low-latency team with a developer well-versed in modern C++ (C++11 onwards). They design, build and maintain the entire software stack and everything they build is used in-house, trading over $175 billion of assets every day.

Requirements

• Strong knowledge of C++11 onwards (they have a completely post-2011 codebase)
• Sound understanding of what happens inside a computer when your code is running, e.g. caching, paging & system calls, how these work and why. (Knowledge of execution pipeline in a modern CPU is a bonus.)
• Good proficiency in mathematics, especially being comfortable with calculus and matrices (as much of the work involves designing and implementing numerical algorithms)
• Familiarity with common algorithms and data structures and their performance trade-offs
• Practical experience designing and implementing complex software systems is a plus
• Experience with Linux and/or Python is a plus, but by no means a necessity
• Financial experience is NOT required

NB: Please do not apply if you are a fresh graduate.

Benefits

• Significant compensation package - you are making a direct impact on the PnL - they will pay leading market rate / are flexible for the right candidate
• They’re willing to be flexible with WFH
• Collaborative and friendly environment with highly engaged colleagues
• Culture of trust, innovation and scientific rigour

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 this sounds like you, or you would like to know more, please get in touch.

Andy Stirling-Martin
andy@oxfordknight.co.uk
020 3137 9579
linkedin.com/in/andrew-stirling-martin-7664a946

Salary: £200k + bonus

Summary

The positive feel of a start-up with the benefits that come with a more established player, this leading HFT firm is looking for a dynamic software engineer to join one of their most successful quant trading teams. Collaborating extensively with traders and other technologists, you’ll design, write and maintain a complex Python infrastructure. This role is as front office as developers come within the firm without being a Quant.

The ideal candidate will be passionate about: data, development, and keen to learn about automated electronic trading. They are very keen to see people with an interest in sports / sports betting. You will be expected to solve difficult technical problems in a fast-paced and energetic environment, with a focus on processes that are robust, scalable and fault-tolerant. Most problems require high-availability, high-throughput and low-latency solutions.

The trading team see technology as a key component of their continued success and candidates will be exposed to cool, cutting-edge technologies.

Financial experience is not essential; just an eagerness to learn, and learn quickly.

Requirements

• Excellent problem-solving skills, ability to make the right engineering decisions to achieve maintainability, extensibility and debuggability
• Solid knowledge of Python and Linux (some C++ preferable)
• Self-directed; able to take ownership of several projects at once
• Knowledge of SQL, Redis, InfluxDB is a bonus
• Bachelor’s degree (or higher) in Computer Science or Computer Engineering (or equivalent)
• An interest in sports / sports betting is advantageous

NB: Please do not apply if you are a fresh graduate.

Benefits

• Competitive base salary + bonus; they will pay leading market rate / are flexible for the right candidate
• They’re willing to be flexible with WFH
• Collaborative and rewarding work environment and culture
• Free breakfast , lunch and dinner

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 this sounds like you, or you would like to know more, please get in touch.

Andy Stirling-Martin
andy@oxfordknight.co.uk
020 3137 9579
linkedin.com/in/andrew-stirling-martin-7664a946

Salary: £200k + bonus

Summary

Unique in their field, this HFT fund has the lively, positive spirit of a start-up with the stability of a longer-established player. They hire exceptional talent in Maths, Physics and Computer Science, from across the trading, tech and start-up industries, to apply cutting-edge research to global financial markets.

One of their fast-growing quant trading teams is looking to hire a dynamic FPGA Developer with HDL development experience.

You will collaborate extensively with traders and technologists to evolve, improve and maintain all elements of the team infrastructure. This role offers the opportunity to gain exposure to a wide range of interesting and challenging problems involving high performance computing, software design and big data, where most problems require high-availability, high-throughput and low-latency solutions.

The trading team sees technology as a key component of their continued success and candidates will be exposed to cool, cutting-edge technologies. The i deal candidate will have leadership experience and be able to step into a Team Lead role post-12 months as an individual contributor

This firm also has roles within its core tech group if you’re not keen working on trading desks.

Requirements

• At least 5+ years’ hands-on development experience in HDL (SystemVerilog/VHDL) with C++ knowledge
• Solid experience in solving numerical problems with existing commercial architectures (CPU/GPU/FPGA/etc.)
• Sound knowledge of bridging solution from both hardware & software
• Experience in Linux system programming & computer architecture
• Desirable: exposure to Python or a willingness to gain proficiency quickly

NB: Please do not apply if you are a fresh graduate.

Benefits

• Competitive base salary & bonus
• They’re willing to be flexible with WFH
• Enormous opportunity to grow, learn and have an impact
• Contributions are rewarded; career progression supported
• Unique culture where you can fulfil your potential through collaboration and mutual respect

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 this sounds like you, or you’d like to know more, please get in touch.

Andy Stirling-Martin
andy@oxfordknight.co.uk
020 3137 9579
linkedin.com/in/andrew-stirling-martin-7664a946