Pay up to £92,522 plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work life balance.

This is a real and significant DevOps leadership role in the UK’s largest government department. Here you will have the freedom and autonomy to drive the development of our technical landscape and define what DevOps looks like in DWP

DWP. Digital with Purpose.

We’re looking for someone who has the vision to lead multiple teams through the adoption of cutting-edge infrastructure and development technologies.

You’ll be a leading, expert voice in a DWP Digital community that is driving a once-in-a-generation transformation of public services.

We have a unique purpose - putting better, more efficient services in the hands of DWP users. The scale of our engineering challenge is also huge:

We have 1bn lines of code in over 12,000 code repos and 90+ programming languages.

We run around 294 days’ worth of testing every day through automation.

Our APIs receive 173 million requests, and we spin up 280,000 AWS servers every month.

Over 22 million people - 1/3 of the UK’s adult population access our services daily.

Over 100,000 colleagues and agents use the kit, tools and systems we roll out. We build and maintain systems behind payments worth over £195bn payments annually.

What skills, knowledge and experience will you need?

Experience of leading and supporting Engineers in multi-disciplinary teams in an agile environment and sharing knowledge and good practice with the wider organisation.

Significant experience of version control systems as well as building and maintaining CI/CD pipelines e.g. git with GitLab CI or Jenkins.

Significant experience of Infrastructure-as-code and configuration of code for one or more cloud providers.

Experience of containerisation and container orchestration.

Experience of multiple scripting and/or programming languages (e.g. Bash, Python).

Significant experience of the full life cycle of Azure cloud-based platforms and applications from designing, through deployment to supporting and operating in production, test and development environments.

You and your role

Our Lead DevOps Engineers lead and set the strategy as well as build our products and applications with researchers, testers, architects, analysts and designers as part of multi-functional agile delivery teams.

You’ll also be part of a supportive Engineering community of practice, with hundreds of engineering experts from across the UK, united by passion and purpose. We’ll give you the tools and time to build your capability, with coaching, mentoring, qualifications and formal learning, meet-ups or whatever else works for you.

Details. Wages. Perks.

Location: You’ll join us in one of our brilliant digital hubs in Birmingham. Blackpool, Leeds, Manchester, Newcastle or Sheffield, whichever is most convenient for you.

Hybrid Working: We work a hybrid model - you’ll spend some time working at home and some time collaborating face to face in a hub.

Pay: We offer competitive pay of up to £92,522.

Pension: You’ll get a brilliant civil service pension with employer contributions worth 28.97%, worth over £21,000 per year.

Holidays: A generous leave package starting at 26 days rising to 31 days over time.

You can also take up to 3 extra days off a month on flexi-time. You’ll also get all the usual public holidays.

We have a broad benefits package built around your work-life balance which includes:

Flexible working including flexible hours and flex-friendly policies

Time off volunteering and charitable giving

Bring your authentic self to work with ‘I Can Be Me in DWP’

Discounts and savings on shopping, fun days out and more

Interest-free loans to buy a bike or a season ticket, so it’s even easier for you to get to work and start making a difference

Professional development, coaching, mentoring and career progression opportunities.

And we have an award-winning environment and culture:

DWP have been recognised as 2024 Diversity Employer of the Year at the Computing Women in Tech Excellence awards

Diverse and Inclusive Leadership at Digital Leaders Awards 2024

Commended as Best Place to Work in Digital category in the Computing Digital Technology Leaders awards 2025

Recognised as one of the Best Public Sector Employers at 2025 Women In Tech Employer Awards

Process:

We know your time is valuable, so our application and selection process are just three stages:

Apply: complete your application on Civil Service Jobs. There’ll be full instructions when you click through.

Presentation: A short 10 minute presentation on how you would mature a DevOps culture across multiple multidisciplinary teams.

Interview: a single stage interview online.

CLICK APPLY for more information and to start your application.

TPBN1_UKTJ

System Administrator (DevOps / AWS / Infrastructure)The Opportunity

We’re working with a growing, technology-driven organisation looking to hire a System Administrator with strong DevOps and infrastructure experience. This is a hands-on role where you’ll play a key part in maintaining, optimising, and scaling critical systems.

You’ll collaborate closely with development and operations teams to ensure high availability, performance, and security across the environment.

Key Responsibilities

• Manage and maintain server infrastructure (Linux/Windows environments)
• Support and optimise cloud platforms, particularly AWS
• Implement and maintain CI/CD pipelines
• Monitor system performance, availability, and security
• Troubleshoot complex infrastructure and networking issues
• Automate routine tasks using scripting and command-line tools
• Support deployments and environment configuration

Key Skills & Experience

• Proven experience as a System Administrator or similar role
• Strong knowledge of AWS (EC2, S3, IAM, VPC, etc.)
• Solid DevOps understanding (CI/CD, automation, infrastructure as code)
• Strong command-line skills (Bash, PowerShell, or similar scripting)
• Experience with server management (patching, monitoring, performance tuning)
• Good understanding of networking concepts (DNS, TCP/IP, firewalls, routing)
• Familiarity with tools such as Docker, Kubernetes, or similar (desirable)

ALL APPLICANTS MUST BE FREE TO WORK IN THE UK

Exposed Solutions is acting as an employment agency to this client.

Please note that no terminology in this advert is intended to discriminate on any grounds, and we confirm that we will gladly accept applications from any person for this role.

Linux Systems Operations Engineer - AWS Hybrid - Sandbach (3 days onsite)
£Competitive + bonus & benefits Applause IT are working with a large, product-led technology business to hire a Linux Systems Operations Engineer into their growing Technology & Data function. This is a hands-on infrastructure role focused on Linux, AWS and automation, supporting both internal platforms and customer-facing systems at scale. You’ll sit within a collaborative infrastructure team, working closely with DevOps and Software Engineering to keep platforms secure, scalable and reliable. The role You’ll take ownership across the Linux estate while supporting and improving cloud infrastructure in AWS. Day-to-day, you’ll be: Supporting and maintaining a Linux server environment (Ubuntu, Apache/Nginx, MySQL/Postgres)
Supporting and developing AWS infrastructure (EC2, ECS, Lambda, VPC, Route53, S3, RDS, CloudWatch)
Automating builds, scaling, patching and monitoring
Working alongside DevOps and Engineering teams to support delivery
Improving resilience, security and operational efficiency
Documenting systems and following structured change management
Managing SLAs and balancing competing prioritiesThis is a role with real scope to shape how infrastructure is run, not just keep the lights on. What we’re looking for We’re open to strong mid-level through to senior engineers. You don’t need everything below, but experience in most areas is important: Strong Linux systems experience
Solid exposure to AWS cloud environments
Experience with automation / configuration tools (Terraform, Ansible, Puppet or similar)
Scripting skills in Python and/or Bash
Working knowledge of Windows Server / Active Directory
Good understanding of security fundamentals
Comfortable working in a change-controlled, production environmentBenefits Annual bonus
Pension & life assurance
Electric vehicle & fuel schemes
Private wellbeing & healthcare support
Cycle to work schemeInterested? If you’re a Linux / AWS-focused infrastructure engineer looking for a role with ownership, stability and room to grow, we’d love to talk. Apply now or contact Applause IT for a confidential discussion

Infrastructure Design Engineer

• 6 month contract

• Fully remote workinh

• Up to £520 per day

• SC Cleared role

Key Skills:

• Strong background in Wintel Infrastructure

• AD, Exchange, GPO, DNS/DHCP

• Automation

Overview:
Are you a skilled Infrastructure Engineer ready to make a strategic impact within a dynamic environment? We are seeking a highly motivated professional to join our team on a pivotal contract, focusing on designing and deploying scalable, secure, and efficient infrastructure solutions. This role offers the opportunity to work remotely within a collaborative setting, supporting critical systems that drive operational excellence. If you thrive in a fast-paced environment and possess a passion for innovative infrastructure design, this is your chance to contribute to high-stakes projects with a leading organization.

Required Skills:

• Proven experience in developing scalable and efficient system architectures
• Strong automation skills for deployment, configuration, and management of applications
• Proficiency in monitoring system performance and proactively resolving issues
• Deep understanding of security standards and regulatory compliance
• Excellent collaboration skills, working closely with development, QA, and operations teams
• Technical expertise in Kubernetes, containers, and Azure cloud platform
• Active SC clearance (MOD SC clearance preferred) and sole UK nationality

Nice to Have Skills:

• Experience with additional cloud platforms or infrastructure tools
• Knowledge of Scripting languages such as PowerShell, Bash, or Python
• Familiarity with DevOps practices and CI/CD pipelines

Preferred Education and Experience:

• Relevant degree in Computer Science, Information Technology, or related field
• Demonstrated experience in infrastructure design and deployment, ideally 3+ years in a similar role

Other Requirements:

• Must hold active SC clearance and be a sole UK national
• Ability to work remotely and independently
• Willingness to undergo additional vetting processes, which may extend onboarding time

+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.

Linux Systems Operations Engineer - AWS

Hybrid - Sandbach (3 days onsite)
Competitive + bonus & benefits

Applause IT are working with a large, product-led technology business to hire a Linux Systems Operations Engineer into their growing Technology & Data function.

This is a hands-on infrastructure role focused on Linux, AWS and automation, supporting both internal platforms and customer-facing systems at scale.

You’ll sit within a collaborative infrastructure team, working closely with DevOps and Software Engineering to keep platforms secure, scalable and reliable.

The role

You’ll take ownership across the Linux estate while supporting and improving cloud infrastructure in AWS. Day-to-day, you’ll be:

• Supporting and maintaining a Linux server environment (Ubuntu, Apache/Nginx, MySQL/Postgres)
• Supporting and developing AWS infrastructure (EC2, ECS, Lambda, VPC, Route53, S3, RDS, CloudWatch)
• Automating builds, scaling, patching and monitoring
• Working alongside DevOps and Engineering teams to support delivery
• Improving resilience, security and operational efficiency
• Documenting systems and following structured change management
• Managing SLAs and balancing competing priorities

This is a role with real scope to shape how infrastructure is run, not just keep the lights on.

What we’re looking for

We’re open to strong mid-level through to senior engineers. You don’t need everything below, but experience in most areas is important:

• Strong Linux systems experience
• Solid exposure to AWS cloud environments
• Experience with automation / configuration tools (Terraform, Ansible, Puppet or similar)
• Scripting skills in Python and/or Bash
• Working knowledge of Windows Server / Active Directory
• Good understanding of security fundamentals
• Comfortable working in a change-controlled, production environment

Benefits

• Annual bonus
• Pension & life assurance
• Electric vehicle & fuel schemes
• Private wellbeing & healthcare support
• Cycle to work scheme

Interested?

If you’re a Linux / AWS-focused infrastructure engineer looking for a role with ownership, stability and room to grow, we’d love to talk.

Apply now or contact Applause IT for a confidential discussion.

SITE RELIABILITY ENGINEER- SC CLEARED SITE RELIABILITY ENGINEER- Permanent opportunity for a Site Reliability Engineer with active SC clearance and eligibility for DV Clearance. - Salary up to £60,000 DOE- Hybrid opportunity with Hampshire based offices - To apply, please call Laura Jackson on , or email with an up-to-date CV. WHO ARE WE?We're hiring for Site Reliability Engineers to join an SME delivering cutting-edge solutions for industry-leading Defence clients. You'll have the opportunity to work across multiple high-impact, innovative and mission-critical projects, shaping solutions that make a real difference. Due to the sensitive nature of the work, an active SC Clearence and eligibility for DV clearance is required. THE SITE RELIABILITY ENGINEER- Active SC Clearance and eligibility for DV Clearance - Hampshire Based or ability to travel 3 days/ week.- Experience as in an Azure focused Site Reliability Engineering/ DevOps or Infrastructure Development role. SITE RELIABILITY ESSENTIAL SKILLS- Experience with DevOps and automation tooling, such as Ansible, Terraform and Git - Strong experience in Linux System Administration (Ubuntu/RHEL) for performance tuning, troubleshooting and systems management- Hands-on experience with Azure infrastructure- Ability to write and work with scripts (e.g. Bash, Python, PowerShell)- Troubleshooting skills to ensure system reliability and optimise platforms across complex environments. TO BE CONSIDERED:Please either apply through this advert or emailing me directly on . For further information please call me: / . By applying for this role, you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only. KEY SKILLSPLATFORM ENGINEER, SITE RELIABILITY ENGINEER, AZURE, INFRASTRUCTURE, AZURE ARCHITECT, AZURE CONSULTANT, CLOUD ENGINEER, ANSIBLE, TERRAFORM, INFRASTRUCTURE DEVELOPMENT, DEFENCE, NATIONAL SECURITY, DV CLEARED, DV CLEARANCE, SECURITY CLEARED, NSD

Site Reliability Engineer Farnborough Permanent

Overview

Fuel Recruitment is supporting a leading organisation within the National Security and Defence sector that is looking for an experienced Site Reliability Engineer to join their growing team. This role sits at the heart of modern platform engineering, working with the latest technologies and driving secure-by-design practices. Youll be involved in shaping and delivering innovative infrastructure solutions, from proof-of-concept through to production. Its an excellent opportunity for someone passionate about automation, DevOps principles, and continuous improvement.

Key Responsibilities

• Deliver, upgrade and maintain core service and project platforms, systems and automation.
• Develop and manage core monitoring and management platforms, ensuring high-quality observability.
• Collaborate with engineers, developers, operations and QA to design, harden and optimise platforms.
• Create architecture and solution designs for new services, delivering PoCs through to production.
• Conduct security risk and vulnerability assessments, ensuring secure deployment.
• Design, build and maintain automation tooling to improve performance and reliability.
• Diagnose and resolve performance issues across Linux, Docker, Terraform, Kubernetes and related technologies.
• Produce and maintain high-quality documentation and support mentoring within the team.

Key Skills / Experience

Essential

• Strong experience with Linux and Windows operating systems.
• Excellent Linux administration skills (e.g. Ubuntu).
• Proficiency in scripting languages (Bash, PHP, Python, PowerShell).
• Hands-on experience with automation/DevOps tools such as Ansible, Terraform, CI/CD pipelines and Git.
• Experience with Azure or similar cloud technologies.
• Understanding of Desired State Configuration (DSC).
• Strong problem-solving and analytical skills.
• Willingness to learn, research new technologies and work in a fast-paced environment.

Desirable

• Experience with Infrastructure as Code (IaC) best practices.
• Awareness of security considerations and best practice.
• Knowledge of configuration as code tools (DSC, Ansible).
• Experience with ARM Templates, Terraform and continuous inspection tooling.
• Familiarity with Docker/Podman and container orchestration (Kubernetes, Swarm).
• Experience with GitLab or similar configuration management tooling.
• Knowledge of Jira or similar project/issue management tools.
• Experience with Azure and Azure Stack Hub environments.
• Monitoring and alerting tools experience (Nagios, Splunk).
• Strong documentation and communication skills (Confluence).
• Experience delivering and managing large-scale systems.
• Understanding of Agile and DevOps principles.

Security Clearance

Due to the nature of the work, candidates must be UK sole nationals and eligible to obtain UK Security Clearance.

This is a high-frequency proprietary trading firm founded in 1998, seeking a Quant Developer to join one of its trading teams in London.

Joining the EMEA Development team as a Quant Developer you will be in charge of improving the current research framework through the development of existing and new tools, and providing close day-to-day support to the quantitative research team on-site.

Responsibilities:

• Iterating quickly with on-site quantitative researchers on the research processes in order to improve the desk’s quantitative trading strategies P&L
• Developing Python tools used in trading strategies research
• Improving the existing simulation/backtest framework
• Monitoring & maintenance of quantitative research jobs
• Help global research team on EMEA-related research through various communication channels

Requirements:

• Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent practical experience); Master’s degree is preferred
• Very good knowledge of Python language and statistical libraries like Numpy, Pandas, Polars
• Minimum 5 years’ experience in Python development
• Strong problem-solving skills, and the ability to work in a fast-paced, collaborative and geographically distributed environment
• Excellent communication and teamworking abilities

Nice to Have:

• Experience in C++ development
• Experience with scripting languages, such as Bash
• Experience with workflow management and task scheduling
• Good knowledge of both Equities and Equity Derivatives trading

Benefits include:

• Competitive salary and discretionary bonuses
• 6 weeks of paid vacation per year
• Breakfast, lunch, and snacks on a daily basis
• International medical insurance
• Free gym membership
• For employees ineligible to participate in the CPF, the cash equivalent of the employer’s CPF contribution
• Free events and workshops
• Donation matching program

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 more information, please get in touch:

George Hutchinson-Binks
george.hutchinson-binks@oxfordknight.co.uk
(+44) 07885 545220
linkedin.com/in/george-hutchinson-binks-a62a69252

Our client is a leading tech-driven quant and systematic hedge fund trading with offices across the globe. They leverage deep knowledge in data, research, technology and trading to deliver high-quality returns. This opportunity offers a dynamic and fast-paced environment with excellent scope for career growth.

This position sits in the Cloud Infrastructure team in London, and requires deep-level expertise in AWS services & infrastructure as this team builds cloud platforms to support trading and research. You’ll liaise with development, trading and operations teams in order to design, build and deliver secure, reliable and scalable cloud solutions for digital asset and crypto-related systems.

The successful cloud engineer will be a highly skilled communicator, happy to facilitate collaboration between engineering and the business to ensure the smooth and efficient running of cloud-based applications and tools.

Requirements

• Extensive experience with AWS services (e.g. EC2, S3, VPC and related components)
• Proficiency in scripting languages, e.g. Python or Bash, for automation
• Strong understanding of CI/CD principles & pipelines using tools, such as Jenkins or GitLab CI
• Experience with infrastructure-as-code tools (Terraform, CloudFormation or AWS CDK)
• Hands-on experience with distributed computing systems and processing large datasets
• Practical experience with containerisation and orchestration (Docker, Kubernetes)

Benefits

• Great opportunity to be part of a collaborative, creative environment where you can feel valued for your input
• Competitive salary + generous benefits
• Professional and personal development
• Relaxed, casual culture, with a healthy work-life balance

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 think you are a strong match for this job description, please do not hesitate to get in touch!

Amy Gandhi
amy.gandhi@oxfordknight.co.uk
Tel: +44 (0) 203 475 5019
linkedin.com/in/amy-gandhi-122b55109

Cyber Threat Analyst (Penetration Testing) – London – Hybrid

A leading financial services client is hiring an entry-level Cyber Threat Analyst to join its Information Security team, with a focus on penetration testing and offensive security.

The Role

• • Support penetration testing and offensive security activities, including red teaming, breach and attack simulation (BAS), and bug bounty engagements.
  • Assist with incident response and participate in the on-call rota for major incidents.
  • Contribute to red/blue team exercises, threat hunting, SIEM rule tuning, and detection engineering.
  • Help deploy, maintain, and automate security tooling (email security, DLP, SIEM, endpoint protection) using scripting and Infrastructure as Code (IaC).

Required Knowledge and Experience

• • Up to 2 years of experience in IT, security engineering, or DevOps (internships or academic projects welcome).
  • Basic understanding of:
  • Ethical Hacking & Penetration Testing
  • Networking and security protocols (TCP/IP, HTTPS, DNS, Firewalls, Proxy)
  • Operating systems: Windows, Linux/Unix; Kubernetes desirable
  • Scripting or programming languages: Python, Bash, PowerShell
  • CI/CD tools and cloud platforms: e.g. Ansible Tower, Bitbucket, HashiCorp Vault, Pipelines, AWS, Azure
  • Software Development Life Cycle (SDLC) principles
  • Security tooling: EDR, SIEM, Antivirus

Qualifications / Skills Required

• • Desirable: University degree or equivalent qualification in a STEM subject (Computer Science, Engineering, or Information Systems).
  • Desirable: Entry-level security certifications such as CompTIA Security+, Microsoft SC-900, or AWS Cloud Practitioner.
  • Desirable: Demonstrated activity on TryHackMe, HackTheBox, or OSCP-related / Red Team training platforms (or equivalent).
  • Desirable: Evidence of contributions on GitHub, showing code samples, tool development, or participation in offensive security projects and repositories.

Personal Qualities

• • Inquisitive, analytical, and detail-oriented with a genuine passion for security engineering and automation.
  • Strong communicator who thrives in a collaborative, fast-paced environment supporting critical infrastructure.

If you’re keen to kickstart your career in penetration testing and threat analysis within a leading financial services environment, please apply with your CV.

Location: Hong Kong - relocation package on offer - industry experience required

A leading proprietary trading firm in the crypto space is searching for an experienced Senior AWS Engineer/Architect to own and evolve its global trading infrastructure.

The team operates at the cutting edge of high-frequency trading, processing billions in daily volume across venues worldwide.

What you’ll do

• Design and optimize multi-region AWS architectures to support ultra-low latency systems.
• Engineer high-throughput data pipelines and automate large-scale deployments.
• Deep-dive into Linux networking and system tuning for maximum performance.
• Partner with developers and quants to align infrastructure with trading strategies.
• Drive infrastructure-as-code, monitoring, and security best practices across the platform.

What we’re looking for

• 8+ years in AWS architecture/engineering with production-grade systems.
• Expertise in Linux internals, networking, and large-scale system optimization.
• Strong scripting skills (Python, Bash) and hands-on IaC experience (Terraform/Ansible).
• Background in trading, HFT, or other ultra-low-latency environments is highly valued.

Why apply?

Be part of a performance-driven, flat-structured team shaping the future of crypto trading.

Work on problems where nanoseconds matter, using AWS at true scale.

Competitive compensation, relocation support, and a role at the frontier of financial markets.

Linux Administrator | Systematic Hedge Fund

A high-performance systematic hedge fund are seeking an Infrastructure Operations Engineer (Linux Admin) to help maintain and evolve the global Linux estate that underpins all trading and research activity. This team is responsible for ensuring the firm’s large-scale compute environment remains stable, well-maintained, and ready to support continuous growth across quant, trading, and data engineering functions.

You’ll work across server deployments, Linux administration, hardware lifecycle, automation, and platform improvements - collaborating closely with engineering, EUC, and application teams. This is a hands-on role suited to someone who enjoys Linux admin and automation work within a highly technical environment.

Role Overview

• Ensure the health, stability, and performance of the firm’s global Linux platform across trading and research workloads.
• Deploy new Linux servers and manage full end-to-end build processes from hardware provisioning through OS installation.
• Carry out system upgrades, patching, and platform maintenance across Red Hat-based environments.
• Contribute to automation, monitoring, and deployment initiatives using modern tooling.
• Work closely with EUC, application, and engineering teams on both project delivery and operational support.
• Produce and maintain clear documentation to support consistency and repeatability across the estate.
• Participate in an on-call rotation as part of a global operational team.

Requirements

• Strong hands-on Linux administration experience (Red Hat, CentOS, or similar).
• Full server build capability - from hardware provisioning to OS installation and configuration.
• Understanding of AMD/Intel server hardware and common failure types.
• Solid networking fundamentals (TCP/UDP, LAN/WAN concepts).
• Experience with automation tooling, ideally Ansible.
• Scripting familiarity (Bash or Python) for automation and troubleshooting.
• Bonus: Experience with storage technologies such as NFS or SAN environments.

Company Highlights

• Technology-led culture – drives both trading and internal engineering investment
• c.1,000 employees – large enough for scale, small enough for meaningful individual impact
• Brand-new London HQ – core engineering and trading hub with free on-site gym
• Flat structure – direct access to senior engineers and C-level leadership
• Excellent Glassdoor ratings consistently quoting a strong work-life balance
• Benefits: Free breakfast & lunch, 13% pension, year-one guaranteed bonus, and more

High-frequency prop trading firm with offices worldwide is looking to expand one of its trading teams in London with a talented Python Research Engineer.

In this role, you’ll collaborate with traders and researchers as you help architect and develop unified systems that enable strategies to be produced. You’ll reduce the time and cost required to conduct research, as well as enabling new research by designing flexible, efficient, scalable systems that the business can use easily.

Qualifications

• Software development experience in Python, proficiency in C++ & Bash
• Strong background in data structures, algorithms and OO programming
• Experience with distributed systems, scientific computing and ML algorithms
• Deep understanding of machine- and network-level details of computer hardware and OS
• Solid troubleshooting and problem-solving abilities
• Minimum bachelor’s degree in Computer Science (or related) from a top-tier university
• Excellent communication skills and fluency in English
• Financial experience is not required.

Benefits

• Competitive salary and discretionary bonuses
• Generous paid vacation allowance
• Free breakfast, lunch, and snacks on a daily basis
• Reimbursement for health & wellness expenses
• Donation matching program

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 think you’re a good match, or would like further information, please contact:

Henry Abbot
henry.abbot@oxfordknight.co.uk
+44 (0)20 3475 7199
https://www.linkedin.com/in/henry-abbot-5b406912a/

Our client, a leading systematic market maker, is looking for a SRE to work on their internal high‑performance trading systems. This role offers a rare opportunity to collaborate with one of the most successful market‑making firms and top figures in the industry. This is a high‑impact, high‑ownership role with significant scope to accelerate one’s career.

The ideal candidate is from a top financial institution, sitting close to trading systems, and understands the ins and outs of low‑latency, highly distributed trading systems. With a clear communication style and strong commercial mindset, this role will involve close collaboration with traders. In addition to a deep understanding of UNIX/Linux command lines, the candidate should have a strong grasp of application‑level networking.

Responsibilities:
* Ensure real‑time trading systems remain stable and performance, proactively monitoring, diagnosing, and resolving issues that could impact trading or market connectivity.
* Act as the first line of defense for production incidents, leading live troubleshooting, performing root‑cause analysis, and preventing recurrence in a highly distributed, low‑latency environment.
* Partner closely with trading, engineering, and infrastructure teams to plan capacity, execute upgrades, and safely migrate applications with zero or minimal disruption.
* Improve system reliability and efficiency through automation, leveraging Python, Bash, and SQL to streamline operational workflows and reduce manual intervention.
* Continuously tune and optimize systems and networks, applying deep OS, networking, and performance knowledge to support the demands of a high‑frequency trading environment.

Requirements:
* Strong foundations in Linux/UNIX, networking (TCP/IP, UDP), SQL, and scripting (Python/Bash) for early‑career candidates
* Experience with real‑time production support, root‑cause analysis, and distributed systems for senior candidates
* Capability to manage large‑scale infrastructure, capacity planning, migrations, and upgrades
* Excellent collaboration, communication, multitasking, and problem‑solving skills
* Preferred exposure to trading systems, intermediate Python development, and OS performance tuning

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

Linux Systems Engineer | World-Class Hedge Fund

Location: Paris

Our client is a world‑class hedge fund, recognised for its elite technology organisation and scientific, data‑driven culture. They are now seeking a Linux Systems Engineer to join a global team operating at the core of a large‑scale, mission‑critical Linux environment powering cutting‑edge quantitative research and high‑performance trading.

This is an opportunity to immerse yourself in one of the industry’s most advanced Linux estates-hands‑on across high‑availability platforms, large compute clusters, and automation tooling-while partnering with exceptional engineers to elevate observability, resilience, and platform automation. As a key member of the global infrastructure support organisation, you will help support, scale, and evolve the firm’s next‑generation Linux trading and research platforms.

Key Responsibilities

• Administer, support, and optimise Linux‑based trading and research platforms within a high‑availability, ultra‑low‑latency production environment.
• Deploy new infrastructure and manage end‑to‑end server lifecycle processes, from bare‑metal installation through to full OS provisioning.
• Collaborate with engineering teams to enhance automation, monitoring, and observability, driving efficiency, reliability, and long‑term scalability.
• Troubleshoot complex production incidents, conduct deep‑dive root‑cause analysis, and implement enduring stability improvements.
• Produce and maintain high‑quality documentation while contributing to process refinement and knowledge sharing across the global infrastructure group.
• Participate in an on‑call rotation and provide occasional out‑of‑hours (primarily remote) support.

Key Requirements

• 4+ years’ experience in infrastructure, systems engineering, or Linux platform support within high‑availability, mission‑critical environments.
• Strong hands‑on Linux administration experience with Red Hat, CentOS, or Rocky Linux.
• Proven experience delivering full server lifecycle builds, including hardware installation, OS deployment, and configuration.
• Solid understanding of AMD and Intel server hardware, with the ability to troubleshoot at both system and component level.
• Practical experience with infrastructure automation tools (e.g., Ansible).
• Scripting proficiency in Python and Bash for automation, tooling, and operational workflows.

Cyber Threat Specialist (Blue Team) – Financial Services – London – Hybrid – Excellent Overall Package

The role

Join a leading financial services client as a Cyber Threat Specialist (Blue Team) and help strengthen a critical Threat Detection & Response function. You will be a key member of the Threat Detection & Response team, focusing on defensive security across complex, business‑critical environments. Working closely with engineering, infrastructure and security teams, you will help design, implement and optimise high‑fidelity detections, investigate incidents, and contribute to continuous improvement of cyber defences.

What you’ll be doing

• Deliver hands‑on detection engineering, incident response, threat hunting, security engineering and threat intelligence activities.
• Investigate and respond to security incidents across host, identity, email, SaaS and cloud workloads.
• Use and tune security tooling such as EDR, DLP, SIEM and SOAR to improve detection and response effectiveness.
• Apply frameworks such as MITRE ATT&CK and the cyber kill chain to map, detect and disrupt attacker tradecraft.
• Leverage offensive tooling (Kali, Cobalt Strike, Metasploit, Bloodhound, Mimikatz, etc.) to understand and defend against real‑world attack techniques.
• Contribute to secure architectures across networks, operating systems and cloud platforms.

What we’re looking for

• Minimum of 3 years’ hands‑on experience in at least two of: detection engineering , incident response, digital forensics, security operations, threat hunting, threat intelligence, with exposure to the others.
• Strong experience with security tooling: EDR, DLP, SIEM, SOAR.
• Solid background in threat investigation and incident response.
• Good understanding of MITRE ATT&CK, cyber kill chain and common attacker tradecraft.
• Familiarity with offensive tools such as Kali, Cobalt Strike, Metasploit, Bloodhound, Mimikatz.
• Strong knowledge of networking and security protocols (TCP/IP, HTTPS, DNS, firewalls, proxies).
• Experience with Windows and Linux/Unix (Kubernetes exposure a plus).
• Scripting or programming skills in Bash, Python or PowerShell.
• Exposure to CI/CD tools and cloud platforms (e.g. Ansible Tower, Bitbucket, Pipelines, Azure).
• Understanding of secure network architectures and related technologies.

How to apply

If you’re interested and think you align with this opportunity, please apply with an updated CV.

Position Description

We are looking for a Head of Development to work within the front office development team that will work on its trading platforms. Examples of projects include building high-capacity OMS, low latency EMS platform and market connectivity. This is a rare opportunity to work on engineering an end-to-end in-house built platform supporting global front office business. The ideal candidate would be motivated by leveraging cutting-edge high throughput, low latency technologies to resolve challenges in trading platforms. In effect, someone who will find the correct solution to an engineering problem when left on their own because they like to solve problems well. Domain knowledge on OMS/ EMS/ Market Connectivity is. At the same time, they should work well in teams, as a contributor and/or leader. Communication and clarity are critical, as decisions made will have long lasting and significant effects on a critical global initiative, therefore they need to be convincing and recorded so they can be reviewed with hindsight and learned from.

Key Areas of Responsibilities

• Take a leading role in defining all application development initiatives within the EMEA region’s Execution Services domain.
• Maintain a forward-looking perspective on technological advancements and explore ways to strategically leverage them where beneficial.
• Apply a pragmatic approach to technology, integrating it effectively into the development roadmap — focusing on reusability and eliminating unnecessary complexity.
• Demonstrate strong presentation skills to articulate and advocate for innovative technology solutions, designs, frameworks, and architectural concepts.
• Possess the ability to synthesize and interpret complex architectural and design analysis, ensuring cohesive understanding across teams.
• Initiate, execute, and facilitate knowledge transfer for technology projects, ensuring smooth project kickoff and delivery.
• Mentor development teams on technological best practices, review technical solutions, and support the delivery of Non-Functional Requirements (NFRs).
• Monitor and manage technical debt, conduct application audits, and serve as a gatekeeper for the adoption of new technologies.
• Design and develop high-quality, cutting-edge front-office systems for Equities Trading.
• Lead a team in managing business change requests and implementing continuous technical improvements.
• Drive initiatives related to technical design and architecture, emphasizing scalability, stability, and performance.
• Provide guidance, mentorship, and support to junior team members, fostering a collaborative and growth-oriented environment.
• Deliver Level 3 support for Cash Equities trading operations, ensuring stability and incident resolution.
• Collaborate with front-office development teams to align on design interfaces and interrelated functionalities.
• Conduct unit testing and functional validation of developed code to ensure quality standards.
• Lead and coordinate efforts with Quality Assurance analysts to guarantee rigorous testing and validation.
• Ensure the timely delivery of high-quality software solutions aligned with business needs.
• Maintain full compliance with CLSA training programs and regulatory requirements for yourself and your team.

Requirements

• Bachelor’s degree in Computer Science, Software Engineering, or a related IT field.
• 10-15 years of extensive software development experience.
• Strong proficiency in Java—class creation, JVM internals, garbage collection—with certifications preferred.
• Proficiency in SQL (Oracle, MS SQL, PostgreSQL), including stored procedures; certifications preferred.
• Expertise in Linux command-line scripting (bash) and system administration.
• Hands-on experience developing low-latency, high-throughput Java components.
• Practical experience building cash equity trading platforms—OMS, EMS, Market Connectivity, Risk, GUI, Middleware, Middle Office.
• Deep understanding of fundamental computer science concepts.
• Experience with distributed caching technologies (GigaSpaces, Ignite, Coherence).
• Full-stack skills in Core Java and REST APIs.
• Practical knowledge of multi-threading, event-driven programming, and memory optimization.
• Strong problem-solving and analytical abilities.
• Knowledge of performance tuning techniques.
• Familiarity with enterprise SDLC tools like JIRA and Confluence.
• Experience with CI/CD tools such as Git, Maven/Gradle, Jenkins/Bamboo, GitLab.
• Shell scripting and Unix/Linux fundamentals.
• Understanding of schemas, JMX, JUnit, XML, and IDEs (Eclipse, IntelliJ).
• Ability to work under tight deadlines in fast-paced environments with minimal supervision.
• Proven leadership and influencing skills to drive technical initiatives.
• Motivated, eager to learn and share knowledge
• Excellent command of / fluent in both spoken and written English.

Summary:

Our client is a leading tech-driven quant and systematic hedge fund trading with offices across the globe. They leverage deep knowledge in data, research, technology and trading to deliver high-quality returns. This opportunity offers a dynamic and fast-paced environment with excellent scope for career growth.

Joining the market access team, you’ll be responsible for building and supporting the systems that interface with markets, brokers, and data providers. This team is critical to supporting the firm’s growth and maintaining its technological edge.

The successful candidate will help manage and improve global market data systems by working closely with exchanges, vendors, traders, and internal engineering teams. This role spans project management, operations, and technical coordination.

Requirements:

• Knowledge of financial markets and exchange data feeds
• Development & scripting skills, e.g. Python or Bash
• Attention to detail in documentation and task tracking
• Proactive and able to drive initiatives to completion
• Experience dealing with data is a plus
• Some exposure to simple C++ changes/deployment will be a huge plus

Benefits:

• Great opportunity to be part of a collaborative, creative environment where you can feel valued for your input
• Competitive salary + generous benefits
• Professional and personal development
• Relaxed, casual culture, with a healthy work-life balance

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 would like to know more about this position, please do not hesitate to get in touch!

Mike McLoughlin
mike.mcloughlin@oxfordknight.co.uk
linkedin.com/in/michaelmcloughlin00

Role Profile

Are you passionate about making developers’ lives easier, faster, and more fulfilling? Do you dream of streamlining workflows, squashing bugs, and fuelling innovation? We’re on a mission to supercharge our engineering culture by building a world-class Developer community that’s the envy of the industry.

In this role, you’ll be joining our Engineering Team within Engineering Excellence & Productivity (EXP) as a Technical Lead.

Developer Platforms’ mission is to:

• Enable rapid developer onboarding to LSEG developer tools, ensuring they become productive quickly to build applications on their chosen Cloud platform
• Improve Developer Experience by increasing their ability to improve cadence of delivery of new features
• Unlock Developer Capacity and enable greater Innovation by modernising tooling and processes
• Ensure that development on the integrated platform is both secure and compliant by design

Tech Profile/Essential Skills

• Good knowledge of Infrastructure as Code concepts (IAC) and basics of Microservices architecture

• Knowledge of Cloud Technology basics across CSPs - Amazon, Microsoft, and Google (at least one)

• Knowledge and implementation experience of DevOps, CI/CD, DevSecOps concepts

• Good level of understanding of Architecture principles, design methodologies and their applicability

• Hands-on experience of the following:

• Creating and deploying CI/CD pipelines (GitLab / Jenkins / GitHub)

• Configuring and running Code/Binary scans using solutions like SonarQube, Semgrep, Blackbuck, Trivy, GitLeaks Veracode, etc.

• Configuring and using Secrets management tools like Vault and Cloud native solutions

• Broad knowledge of SDLC Tools, specifically Build, Test and Deploy Automation tools, e.g., Maven, Gradle, Selenium, Ansible, etc.

• Good understanding of Source code mgmt solutions like GitHub, GitLab, BitBucket, etc.

• Good understanding of Artifact and dependency mgmt solutions like JFrog, Nexus, etc.

• Good understanding on Containerisation solutions, e.g., K8, Docker, Kaniko, etc.

• Proficiency in at least one of the standard programming languages - Java/JavaScript, C#, Python, or similar Object-oriented programming

• Proficiency in at least one of the standard scripting languages - Terraform, Bash, Ansible, etc.

• Good understanding of Software engineering concepts, e.g., coding techniques (DRY principles), Trunk based development (Branching/Merging techniques), etc.

• Good understanding of Developer Desktops - both Physical and Virtual (W365) and implementation of tooling framework/solutions for Desktops

• Good understanding of the basics of Gen AI concepts and solutions - GitHub Copilot, GitLab Duo, Q developer.

• Previous experience in a Project delivery, Coordination or Support role

• Previous experience of Software Development, Business and Technical Analysis, Quality Assurance, and / or Emerging Technology and Governance

• PPM Tools (ex: Clarity, JIRA, Asana)

Preferred Skills and Experience

• Hands-On experience of working on Windows/ Linux Servers. Cloud services (AWS/Azure/GCP).

• Managing incidents, change requests, service requests and driving TRT (Technical Recovery Team) calls.

• Strong problem solving skills on these platforms

• Minimum knowledge and understanding of financial markets are desirable.

• Ability to work independently and in a team environment.

• Ability to communicate effectively in English with all levels of staff, both orally and written.

• Ability to manage own work and multitask to meet tight deadlines without losing sight of priorities under minimum supervision.

• Highly motivated, self-directed individual with a positive & pro-active attitude to work.

• Customer and service focused, with determination to meet their needs and expectations.

• Be driven and committed to the goals and objectives of the team and organization.

• Second line point of escalation in event of a major incident

KEY COMPETENCIES

• Deploys agile standard methodologies as appropriate throughout the software development lifecycle.
• Analyses infrastructure requirements and designs the architecture for central or distributed processing to meet user requirements.
• Creates, applies and implements technologies to deliver and produce services with minimal human intervention, to improve the efficiency, reliability and speed tasks.
• Develops, tests and maintains software applications and related programs and procedures; demonstrates creativity and innovation using available software development tools and following design requirements.
• Creates and maintains documentation to describe the system and its parts, including requirements documents, design decisions, architecture descriptions, program source code and support documentation.
• Possesses depth of technical expertise, knowledge of technologies and design, development and implementation of technologies.
• Possesses knowledge of features and facilities for integration, and communication among applications, databases and technology platforms to bring together different components and form a fully functional solution to a business problem.
• Shows ability to come up with new ideas and novel approaches to problems and establish solutions through different methods.
• Partners with clients and resolves issues by diagnosing problems, determining possible resolutions and implementing effective solutions
• Defines a problem, generates solutions, and evaluates and identifies the best solution to overcome the problem.
• Interacts well with others, quickly establishing rapport building positive relationships and networks.
• Ensures a product/service meets or exceeds specified standards and objectives to achieve desired level of quality

Education and Professional Skills

• Curious about new technologies and tools, creative thinking and initiative taking.
• Solid English reading/writing capability required.
• Strong communication & collaboration skills.
• Commitment to DevOps culture
• Familiarity with Agile principles including any hand on experience

Detailed Responsibilities

• Ensure quality deliverables to ensure software meets or exceeds specified standards and objectives.
• Apply software engineering principles and practices to design, build, and run solutions which are scalable and reliable.
• Design, develop, modify, adapt and implement short and long-term solutions to technology needs through new and existing applications, systems architecture, network systems and applications infrastructure.
• The team(s) continuously fine-tune systems to meet stringent non-functional requirements on performance, resilience and operability, and design.
• Demonstrates significant knowledge of a single or multiple technologies and advises on design, development and implementation
• Advances tools and applications by producing clean and efficient code and reviews others’ code when required
• Handles own workload and promotes an inclusive and open culture
• Demonstrates depth of knowledge and expertise in software development and is regarded as the SME in their domain. Develops knowledge of other domains to understand linkages and dependencies
• Understands the tech strategy and culture, and how they impact own work as well as adjacent teams
• Oversees the design work and planning for user journeys ensuring the achieve the desired objectives
• Supports the creation of solutions for Epics and the associated implementation tasks
• Adapts existing patterns to develop robust solutions
• Develops understanding of LSEG’s commercial direction and how technology is forming a part of this
• Completes the delivery of given tasks with some guidance and oversight
• Builds strong relationships with senior internal stakeholders, growing network and collaborating with own team and colleagues in other domains. Communicates complex information clearly to relevant audiences
• Takes initiative to develop knowledge in technology products and tools through on the job learning, certifications and projects.
• Must interact with global teams in time zones spanning UK, US, APAC areas.
• Engage in and improve the whole lifecycle of services-from inception and design, through to deployment, operation, and refinement.
• Support services before they go live through activities such as system design consulting, developing software platforms and frameworks, capacity planning and launch reviews.
• Maintain services once they are live by measuring and monitoring availability, latency, and overall system health.
• Scale systems sustainably through mechanisms like automation and evolve systems by pushing for changes that improve reliability and velocity.
• Build a CI/CD pipeline and maintain the pipeline for Software Delivery.
• Collaborate with Security and Infrastructure teams to ensure the patching are up to date.
• Co-ordinate and work with Devops Capability team to perform the Disaster recovery for the applications.
• Participate in Project related activities to meet operational needs.
• To ensure knowledge Articles of all supported systems is continually updated.
• To provide a high level of customer service, whilst working under pressure.
• To follow and adhere to established Incident Management, Change Management and Problem Management procedures.

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. You will be part of a collaborative and creative culture where we encourage new ideas and are committed to sustainability across our global business. You will experience the critical role we have in helping to re-engineer the financial ecosystem to support and drive sustainable economic growth. Together, we are aiming to achieve this growth by accelerating the just transition to net zero, enabling growth of the green economy and creating inclusive economic opportunity.

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

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.

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.