Senior Security and Fire Systems Service EngineerFull-time, Monday to Friday 08:0017:00Covering Greater LondonFidelity is a progressive and expanding NACOSS Gold a...Read More>>.

Location(s):UK, Europe & Africa : UK : Gloucester BAE Systems Digital Intelligence is home to 4,500 digital, cyber and intelligence experts. We work collaboratively across 10 countries to collect, connect and understand complex data,...Read More>>.

Overview In this pre-sales role, you will support the Cloud sales team by delivering design input, quotes, and technical demos for electronic security solutions. You’ll work closely with the Head of Cloud to shape value-added services and...Read More>>.

Overview In this role you will design, develop and deliver automated test solutions for client projects, helping ensure high-quality software across public and private sector engagements. You will work within the Quality Engineering team, c...Read More>>.

Overview In this role you contribute to a greenfield, mission-critical security system within Amazon Security, focusing on data-driven solutions and scalable software. You will work across teams to design and build reliable, high-performanc...Read More>>.

Tempest Vane Partners in London is seeking a Senior Software Engineer to join its Platform Engineering function, focusing on identity and access infrastructure that underpins research and live trading. You’ll design authentication and authorisat...Read More>>.

Hoodl2 in London is seeking a Senior Backend Engineer to architect and maintain the AWS-based custody infrastructure, wallet workflows, and blockchain node operations. You will own third-party custodian integrations and contribute to secure, scala...Read More>>.

Dex partners with a high-growth financial-services client to hire a first platform leader who will own cloud strategy, Azure/AKS, and security controls (SOC 2, ISO 27001, GDPR) enabling a product handling sensitive financial data.You will a...Read More>>.

Wise in London is seeking a Senior Software Engineer II for the FinCrime - Scam Prevention Team. You will own end-to-end delivery, applying Java and Spring to scale defenses against fraud and protect customer funds.The role balances backend...Read More>>.

DWP Digital in the UK is recruiting for a hands-on DevOps leader to own CI/CD pipelines, IaC and cloud infrastructure. You will shape the DevOps landscape, drive automation and security across services, and mentor engineers across multiple squads....Read More>>.

AJ Bell is seeking an Information Security Engineer to support the CISO in reducing information security risks across Technology Services. You will design, build and continuously improve security controls, platforms and infrastructure to protect A...Read More>>.

Thornton Tomasetti is seeking a Senior Structural Project Engineer to join our Protective Design & Security practice in high-security environments. You will apply core structural skills to traditional building projects while developing expertise i...Read More>>.

zeroRISC in the United Kingdom is seeking a SoC/ASIC Design Verification Engineer to join a security-focused team. You will develop, verify and maintain silicon from architecture to tapeout, and interact with customers to deliver robust, open sili...Read More>>.

Methods is seeking a highly skilled DevSecOps professional to design, build and secure enterprise platforms across on‑premise and cloud environments in the UK. You will work with cross‑functional security and engineering teams to embed securit...Read More>>.

Barclays Adoption Software Engineer role to design and deliver modern digital platform capabilities, collaborating with business and tech teams to craft solutions using Java, BDD, and AWS.The position requires authentication/authorization e...Read More>>.

Palo Alto Networks is seeking a Senior Software Engineer in the United Kingdom to join the machine identity and access offering. You will design and develop services used with the company’s SaaS products, working with AWS micro-services and a mi...Read More>>.

Why Aisle?Aisle is redefining how enterprises secure their software with an AI agent for autonomous vulnerability remediation. Vulnerabilities are the #1 root cause of cyber incidents, yet most organizations take weeks or...Read More>>.

Cambridge Consultants seeks a Senior AI Engineer to lead AI/algorithms work for defence and security clients. You will mentor colleagues, shape projects, and translate research into deployable systems with strong lab support and computing resource...Read More>>.

AWS DevOps Engineer (eDV) – National Security Location: Key National Security hubs Salary: £60,000–£80,000+ depending on experience Clearance: Active eDV required Level: Mid-level /...Read More>>.

Site Reliability Engineer (eDV) - National Security Location: Key National Security hubsSalary: £65,000-£90,000+ depending on experienceClearance: Active eDV requiredLevel: Mid-level through...Read More>>.

TelefonicaTech UK&I in Huntingdon requires a Level 3 Azure Engineer to design, deploy, and optimise Azure solutions across IaaS, PaaS, and SaaS within our Managed Service capability.The role demands 3+ years of Azure experience, strong IaC/...Read More>>.

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Sword Group in the United Kingdom is seeking an Azure Infrastructure Engineer to join the Digital Platforms team. You will design, build, migrate and support Microsoft Azure environments for a range of customers, contributing across the full Azure...Read More>>.

AkzoNobel in Gateshead is seeking an experienced OT and Automation Engineer to drive digital transformation at our Felling site. You will maintain and develop Industrial Control Systems, support automation projects and strengthen cyber security ac...Read More>>.

Forward Role is seeking a Site Reliability Engineer (eDV) to join a National Security engineering team. You will own platform reliability, reduce firefighting, and improve deployment, resilience and observability in production.You’ll work...Read More>>.

Rolls-Royce is seeking Mechanical Design & Product Definition Engineers to support defence programmes based from Inchinnan, near Glasgow. You will work on design, integration and certification of aerospace systems across development and in-service...Read More>>.

Sword Group is seeking an OT Controls Engineer to shape secure, scalable control system solutions for critical national infrastructure. You will define engineering policy, review equipment and standard configurations for substation control systems...Read More>>.

Ultra Intelligence & Communications Cyber (UK) is seeking a Principal Electronics Engineer to lead the design and development of digital and analogue electronics within the Hardware Engineering team. The role requires independent judgment, technic...Read More>>.

Foundation Partners seeks a Lead Platform Engineer to own the end-to-end infrastructure in a hybrid, security‑driven setup. You will manage the GitOps backbone, Kubernetes on AWS, and IaC across multi‑tenant environments, enabling rapid yet tr...Read More>>.

Infrastructure & DevOps Engineers (eDV) – National Security Location: Key National Security hubs Working pattern: Predominantly secure-site based depending on programme Clearance: Active eDV required Level: Mid-lev...Read More>>.

Oxford Dynamics in the Greater Oxford Area seeks a Senior DevOps Engineer to own cloud infrastructure end-to-end with a strong AWS/Kubernetes and CI/CD focus. You will design, implement and audit scalable platforms, automate delivery pipelines and...Read More>>.

Proofpoint is hiring a Senior Software Engineer for the XFI team within the Cloud Integration Group in Belfast. You will help scale the Cross Functional Integrations services that connect to Microsoft and Google email platforms, delivering secure,...Read More>>.

Infrastructure & DevOps Engineers (eDV) - National Security Location: Key National Security hubsWorking pattern: Predominantly secure-site based depending on programmeClearance: Active eDV requiredL...Read More>>.

Elastic is seeking a Software Engineer for the Security EDR Workflows team to build workflows and user-facing capabilities for Elastic Defend agents. You will work with security engineering teams, product and design to deliver robust, high-scale f...Read More>>.

National Physical Laboratory (NPL) in the United Kingdom seeks a Senior Platform Engineer to lead Linux, tooling and security across enterprise platforms. The role focuses on automation, DevOps practices, PKI, and identity/security services, with...Read More>>.

Searchability NS&D in the United Kingdom is seeking a seasoned Linux Infrastructure Engineer to design, implement, and maintain secure, scalable Linux-based infrastructure across on-premises, virtualised, and cloud environments.You will aut...Read More>>.

Abnormal AI in the United Kingdom is seeking a Software Engineer to help build and evolve our platform as it scales. You will work on backend systems, ML components, and production services with senior engineers to improve reliability and reduce l...Read More>>.

Advanced Resource Managers Limited in Stevenage is seeking a Network Engineer on a 12-month contract. You will work with a market-leading Defence and Aerospace company, delivering network services in a high-security environment and ensuring servic...Read More>>.

Searchability NS&D is seeking a Security Cleared Palantir Foundry Data Engineer for a permanent role in the UK. You will design, develop and deploy scalable data solutions within the Palantir Foundry ecosystem, collaborating with client teams acro...Read More>>.

Aurora Energy Research in Oxford is seeking an SAP SuccessFactors Engineer to join their Internal Technology team on a full-time basis. This is an exciting opportunity to work on a major HR systems transformation project focusing on SAP SuccessFac...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>>.

Palo Alto Networks is seeking a Principal Software Engineer to drive the modernization of core authentication domains and build high throughput cloud services using AWS, AWS CDK, and .NET. You will shape architecture, mentor teams, and deliver sca...Read More>>.

IMSERV is seeking a DevOps Engineer to own the Azure platform for Astral products, running on multi-tenant SaaS architecture. You’ll co-manage environments, pipelines and releases, ensuring security, cost control and high reliability across glob...Read More>>.

Palo Alto Networks is seeking a Principal Engineer Software to join a team delivering Identity Directory services and user management. You will design, develop, test, and deploy using AWS serverless, CDK and C#, collaborating with security archite...Read More>>.

Senior Solutions Engineer - UK Defence & SecurityMarlow -HybridWe're a leader in data and AI. Through our software and services, we inspire our customers around the world to transform data into intelligence - and questions int...Read More>>.

Newcastle Building Society seeks a DevOps Engineer to join its technology team. You will deliver, manage and continuously improve cloud-based platforms supporting a cloud-first strategy, using automation and IaC to drive reliability and efficiency...Read More>>.

Palo Alto Networks in London is seeking a Principal Software Engineer to join the Workload Identity area. You will design and build secure service communication across cloud, networking, and SDKs, leveraging Kubernetes and modern cryptography....Read More>>.

Sword is seeking an OT Controls Engineer to shape standardized, secure control system solutions for substations and electricity networks. You will join a Technology Standards function defining policy, equipment, and configurations, contributing to...Read More>>.

FryerMiles is seeking a Senior Network Engineer for a Defence/National Security programme in Cheltenham. The role involves owning complex network and infrastructure projects from scoping and design through to integration, with close collaboration...Read More>>.