A leading technology company in the City Of London seeks a Systems Analyst to provide operational support across IT systems, focusing on Microsoft 365 and cyber security practices. Responsibilities include technical support, systems administration, a...Read More>>.

A specialist engineering and technology business in the UK is hiring a Senior Systems Engineer to lead technical delivery on secure communication systems. You will contribute to systems architecture, requirements capture, and documentation. This mid-...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>>.

4way Recruitment has partnered directly with an accredited provider to secure a permanent Fire and Security Engineer for their team in Birmingham. The role involves servicing, installing and maintaining fire alarms, intruder alarms, access control...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>>.

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>>.

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>>.

Alecto Recruitment is seeking a Fire & Security Engineer to join our team covering Kent and surrounding areas. The role involves installing, servicing and maintaining fire alarms, CCTV, intruder alarms and access control systems for a variety of c...Read More>>.

Senior Control Systems IT Security ConsultantFull-timeJobs for Humanity is dedicated to building an inclusive and just employment ecosystem. Therefore, we have dedicated this job posting to individuals coming from the...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>>.

About The AI Security Institute The AI Security Institute is the world's largest and best-funded team dedicated to understanding advanced AI risks and translating that knowledge into action. We’re in the heart of the UK government wi...Read More>>.

Alecto Recruitment is seeking a Security Engineer for Manchester. The role offers a £38,000–£45,000 basic salary, plus opportunities for training and career development.You will work on a mix of service and installation tasks across CCT...Read More>>.

Experis - ManpowerGroup in London offers a hybrid Senior AI Security Engineer role focused on designing and embedding security across AI-driven systems. You will drive secure-by-design principles within the software development lifecycle and help...Read More>>.

About the AI Security Institute The AI Security Institute is the world's largest and best-funded team dedicated to understanding advanced AI risks and translating that knowledge into action. We're in the heart of the UK government with...Read More>>.

Lancaster University in Bailrigg, UK is seeking a full-time Senior Research Associate for SCULI: Security in Ultra-Large Scale Systems. The role focuses on developing techniques to orchestrate security controls in dynamic distributed infrastructur...Read More>>.

Lancaster University invites applications for a Senior Research Associate in the SCULI project. Based at Bailrigg, Lancaster, this full-time post-doctoral role focuses on security in ultra-large scale systems, starting Spring 2027.The role...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>>.

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>>.

Verisure is seeking a Field Installation Engineer in Epsom to install, service and maintain security systems on-site. You will assess properties, recommend solutions and demonstrate systems to customers.The role combines technical work with...Read More>>.

Team Jobs - Commercial is recruiting for a Fire & Security Service & Installation Engineer based in London. The role covers servicing, maintaining and installing fire and security systems across commercial and residential sites, with a strong emph...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>>.

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>>.

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>>.

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>>.

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>>.

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>>.

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>>.

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>>.

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>>.

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>>.