Our client is looking for several Systems Engineers to take technical ownership of complex projects and programmes from scoping through to integration and assurance. This is a client-facing role. You'll set the technical direction, run the worksho...Read More>>.

About UsReachdesk is the first truly end-to-end global SaaS gifting and swag platform, helping B2B companies create meaningful connections with prospects, customers, and employees, while driving measurable ROI.We believe gifting i...Read More>>.

About UsReachdesk is the first truly end-to-end global SaaS gifting and swag platform, helping B2B companies create meaningful connections with prospects, customers, and employees, while driving measurable ROI.We believe gifting i...Read More>>.

Everfox is hiring a Senior Manager Hardware Engineering to lead a 10+ engineers and managers in London, UK. You will own hardware workstreams from concept through industrialization, set technical standards, and partner with software/firmware teams...Read More>>.

Intec Select is seeking an experienced Lead Software Engineer with expertise in Python and Django for a public sector organization. This hybrid role offers a 12-month contract paying up to £750 per day, located across multiple cities in the UK....Read More>>.

WSP in the UK & Ireland is seeking a Cyber Security Consultant to join our capabilities team, delivering specialist cyber security services across diverse industries. You’ll support cyber security deliverables through the lifecycle of OT/IT deve...Read More>>.

Anduril Industries is seeking a Staff Product Security engineer to develop novel security tooling and secure our AI-driven defense technologies. You will own security features across embedded and Linux-based platforms and drive threat modelling, r...Read More>>.

Anduril Industries seeks a Senior Product Security engineer to develop novel security tooling, discover vulnerabilities, and secure our AI-enabled and autonomous systems. You will perform architecture reviews, analyze firmware and software, and co...Read More>>.

Anduril Industries is seeking a Senior Product Security engineer to develop novel security tooling, discover vulnerabilities, and secure our suite of technologies including AI systems, command and control platforms, aerospace vehicles, and long ra...Read More>>.

Hamilton Barnes Associates Limited in London is seeking an ML Research Engineer to join its Innovation & Research team and help develop AI-powered security operations capabilities. The role focuses on building and evaluating AI and agentic systems...Read More>>.

Positiv+ Cohort is seeking a highly experienced Senior Systems Engineer with security clearance to lead equipment work packages and ensure delivery to time, cost, and quality targets. The role combines electrical engineering with test design and s...Read More>>.

Galliford Try is seeking a Security Design Engineer to join our specialist security team. Based in London/Thames Valley with UK-wide project opportunities, you will lead electronic security design from site visits to final documentation, coordinat...Read More>>.

Leonardo is seeking a Linux Systems Engineer in London for hybrid working (office/remote). You will work at the intersection of Linux internals, networking and security to build secure endpoint solutions for high‑profile clients.You will...Read More>>.

Join NXP’s Competence Center for Crypto & Security to shape security architecture across our product portfolio. As a Senior security engineer, you will drive end-to-end analysis, translate regulatory requirements into robust designs, and evaluat...Read More>>.

The Future Starts Here - Shape Security Innovation at NXP! Are you ready to influence the security architecture of technologies that power the world? Join NXP’s Competence Center for Crypto & Security and help define secure so...Read More>>.

Principal/Lead Security Systems Engineer Leonardo – Southampton, England, United Kingdom Your impact Are you a Systems Engineer who loves contributing to the UK’s Defence Industry and making impactful change? Leonar...Read More>>.

Taylor James Resourcing is seeking a Card Payments Specialist to lead the strategy, security, and development of the payment ecosystem across two retail brands and ~800 locations in London. You will own end‑to‑end payment card infrastructure,...Read More>>.

NXP Semiconductors N.V. focuses on secure connectivity and edge processing for embedded applications.The role supports product development teams by specifying, reviewing, and implementing robust system security architectures across lifecycl...Read More>>.

TESTQ Technologies Limited is seeking a Senior Technical Lead / Project Lead for an onsite contract role in the United Kingdom. You will lead design and configuration solutions across client projects.Key responsibilities include system/soft...Read More>>.

Everfox is seeking a versatile AI Software Engineer who thrives in unfamiliar codebases and moves quickly across diverse projects. You’ll build AI-driven features, enhance workflows with modern AI tools, and collaborate across teams to deliver h...Read More>>.

Amey is seeking an Infrastructure Technician/Engineer to join a high-profile UK Central Government contract in Whitehall, London. You will help maintain a secure Windows environment, support the physical network, and collaborate with senior engine...Read More>>.

The Citation Group is seeking an AI Architect to lead the AI/Data architecture within the delivery area, reporting directly to the Chief AI Officer. This role focuses on establishing architectural standards, patterns, and governance for AI initiat...Read More>>.

Refractal is hiring a Systems Engineer to own the services and infrastructure that keep our security platform secure in production. You will work across enforcement runtime, data integrity, tenant isolation, agent tracing, model services and cloud...Read More>>.

Jackson Hogg Ltd is seeking an experienced IT Manager to own the internal technology environment for a growing technology business. You will lead a team of IT professionals, oversee core systems, security controls and end-user technologies to ensu...Read More>>.

GTT is seeking a Systems Engineer to own the administration, maintenance, and optimisation of our infrastructure across Windows and Linux platforms with high availability and security. You’ll troubleshoot complex issues and drive improvements ac...Read More>>.

Airbus Defence and Space Limited in Portsmouth is seeking a Systems Engineer with TEMPEST and EMC experience to join a fast-moving, safety-critical program.You will develop system models, elicit requirements, and define architectures in col...Read More>>.

Airbus Defence and Space Limited in Portsmouth is seeking a Systems Engineer with Radiation and Nuclear Hardening experience to work on MOD/SATCOM projects. You will contribute to end-to-end design and validation, ensuring robust performance in ha...Read More>>.

Ultra Intelligence & Communications Cyber (UK) Business in the UK seeks a seasoned Project/Systems Engineer to lead IV&V across hardware, software and firmware, ensuring traceability from requirements to delivery. You will mentor a team of enginee...Read More>>.

Our client is looking for several Systems Engineers to take technical ownership of complex projects and programmes from scoping through to integration and assurance. This is a client-facing role. You'll set the technical direction, run the work...Read More>>.

SiXworks is seeking an Infrastructure Engineer to design and implement secure digital solutions in highly secure environments in Bristol. You will work with Cisco Nexus, NetApp ONTAP, Hyper-V, VMware Cloud Foundation, and HSM/KMS to enable safe, f...Read More>>.

General Dynamics Mission Systems is seeking a Security Engineer (Contractor) to work on a CIS and Cyber project. The role provides security domain expertise, with preference for defence background, PKI implementation, and accreditation experience....Read More>>.

General Dynamics Mission Systems is seeking a Product-Security Engineer to help embed security into complex airborne mission systems. You will own the product-security architecture and define secure-by-design requirements across the programme life...Read More>>.

Anthropic in the United Kingdom invites experienced backend/platform engineers to lead scalable distributed systems and infrastructure. You will own architecture decisions and drive multi-month projects, partnering with research to productize capa...Read More>>.

Shield AI is seeking a highly autonomous Staff Systems Administrator to own enterprise IT infrastructure and end-user computing in a security-sensitive entity environment. You will design, implement, secure, and continuously improve on-premises sy...Read More>>.

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual...Read More>>.

Senior Systems Engineer - Application SecurityAbout UsAt Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Int...Read More>>.

The Centre for Information Resilience (CIR) is hiring an experienced IT Systems and Security Analyst to own and maintain a broad range of IT systems with security at the core. You will support AzureAD, M365, AWS, and a diverse hardware and OS envi...Read More>>.

RTX Raytheon UK is seeking a Principal Software Engineer to lead software development across multiple programmes. The role involves delivering secure, mission-critical systems on-site at Manchester, Gloucester, or London sites, in cross-functional...Read More>>.

Barclay Simpson seeks an exceptional hands-on security technologist/architect to shape how the company securely adopts AI and Agentic AI. You will work with architects, developers and engineering teams to secure AI platforms from design through de...Read More>>.

Addition Solutions in the United Kingdom is seeking an operations-focused professional to monitor critical IT infrastructure and ensure systems run securely around the clock. You will support networks, storage, applications and batch processes in...Read More>>.

Airbus Defence and Space Limited in Chippenham offers a permanent, full-time role in field engineering supporting SCOF systems. The role requires UK DV clearance or ability to obtain it, with hybrid working options.You will oversee field se...Read More>>.

Salary: £32,000 - 72,000 per yearRequirements:Experience as a Systems Engineer in software, networking, digital or cyber securityBackground in a consultancy, large systems integrator or public sector organisat...Read More>>.

The Resourcing Team is recruiting Fence Installers for nationwide utility-site work across the UK. The role requires staying away most weeks and performing steelwork and fence installations to high security standards.Applicants should have...Read More>>.

CGI is building the next generation of cybersecurity professionals through its graduate program. As a Technical Graduate specialising in Cyber Security, you will protect critical services and information, engage with security operations and vulner...Read More>>.

West Thames College in London is seeking an IT Systems Administrator to oversee operational delivery, administration and support of the college's IT systems and services, ensuring stability, security and high service standards.Working under...Read More>>.

Mass Limited, a UK security-focused technology partner, seeks an ICT Systems Engineer to maintain a Windows/VMware environment in a highly secure setting. The role involves multi-hat responsibilities, rapid issue resolution, and ensuring service q...Read More>>.