226 to 250 of 286 Senior Security Engineer Jobs in England

Gold Group in London is seeking an experienced Senior Cloud Engineer to own the proactive, cloud and security-focused side of our technical environment within a growing MSP. You will work with a small, highly skilled engineering team to improve clients’ infrastructure, security and IT performance ...

Source Technology Limited in London is seeking a Principal AI Software Engineer to lead the hands-on delivery of a portfolio of agentic AI security applications. You will translate a complex target architecture into production-quality software, supervising multiple engineers while remaining deeply technical. This role requires deep ...

Pacific Life Re is seeking a Senior Cloud Engineer to maintain, optimise, and evolve AWS workloads across multiple regions. The role focuses on security, reliability, governance, and lifecycle management, operating within enterprise standards and cloud shared services. You will engage in platform provisioning, improve tooling, and support ...

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 travel to sites as required. Fixed-term 12-month contract ...

understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments. Job Title: Senior Software Engineer Requisition ID: 123022 Location: Gloucester We offer a range of hybrid and flexible working arrangements please speak to your recruiter about … options for this particular role. Grade: GG09-GG11 Referral Bonus: £5,000 About the role The National Security business in Gloucester is growing and there are an increasing number of opportunities to work with a range of National Security clients to provide solutions that have a real impact. ...

National Physical Laboratory seeks a Senior Network Engineer to lead on‐prem network design, deployment, and security within a hybrid infrastructure. You will manage Alcatel‐Lucent switches, Fortinet firewalls, and associated services, while coordinating with cybersecurity for secure, reliable connectivity across the UK site footprint. ...

QinetiQ Limited in London is seeking a Senior Cloud Engineer to design, build and support secure AWS-based environments for high‐security customer programmes. You will join a growing cloud engineering team, collaborating with technical leads, architects and stakeholders to deliver resilient infrastructure and automated deployments. With ...

Associates is seeking an experienced SC/DV-cleared Senior Infrastructure Engineer for a London-based hybrid role. You will design, implement and support secure Microsoft infrastructure across complex enterprise environments, focusing on identity, security, automation and operations. Active clearance is required, with 2–3 days onsite ...

Hamilton Barnes Associates Limited is seeking a Senior Network Engineer to take technical ownership of design, implementation, and mentoring within a small engineering team. This home-based role includes occasional visits to our East London data centre and covers routing, switching, network security, wireless, cloud networking … Linux technologies. You will design, deliver, and support a hybrid network spanning on‐premises, data centre, and cloud environments, act as senior SME, mentor junior #J-18808-Ljbffr ...

Carrington Blake Recruitment is looking for an experienced Senior Cloud Engineer to join our Cloud Engineering team. This role encompasses designing and delivering scalable cloud infrastructures and supporting automation initiatives. The candidate must possess strong skills in Microsoft Azure environments, Infrastructure as Code, and cloud security best ...

Klarna seeks an experienced offensive mobile security specialist to protect its iOS and Android apps. You will conduct pentests and red-team exercises, reverse-engineer binaries, and apply MASVS/MASTG guidance to drive concrete engineering fixes. You will collaborate with software engineers to harden app security, test RASP protections, and document actionable remediation steps. This role requires hands-on testing across mobile platforms and a track record of security research or bug bounty work. #J-18808-Ljbffr ...

Entrust Corporation in Cambridge is seeking a Senior Hardware Engineer to join our dynamic team. You will contribute to the design and development of secure hardware solutions, focusing on hardware design with an emphasis on quality and security. The ideal candidate has experience in electronic design, particularly with ...

Lloyds Banking Group seeks an AI Security Engineering Lead to design and deliver secure engineering patterns, controls, and tooling for its AI/ML ecosystem. This hands-on technical leadership role requires deep expertise in securing AI systems, engaging with cross-functional teams, and driving secure-by-design practices ...

Leonardo UK, based at one of our UK sites, seeks a Senior Application Engineer to deliver, maintain, and improve platform and systems engineering solutions underpinning critical defence and public services. You will configure SIEM/EDR tooling, work within an agile team, mentor engineers, and ensure secure ...

Career Choices Dewis Gyrfa Ltd is seeking an experienced AI Security Engineering Lead to design and deliver secure patterns, controls and tooling for our AI/ML systems. This is a hands-on technical leadership role, with code, automation and platform design responsibilities. The role requires deep expertise …/ML security, modern software engineering, and SecDevOps practices, and offers a hybrid work pattern across multiple UK sites with generous benefits. #J-18808-Ljbffr ...

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 drive cost-efficient, secure operations across … multi-account environments while ensuring compliance with industry standards and security best practices. Join a mission-driven team building frontier AI systems for high-stakes environments, with a #J-18808-Ljbffr ...

Group in Derby is seeking a 3rd Line Security Specialist to provide lead technical support on complex security incidents, working onsite at a secure customer facility. The role requires hands-on expertise across Cisco/Checkpoint/F5, strong incident management, and the ability to coordinate with designers … wider teams; eligibility for Government Security Clearance to SC UK Eyes Only Level is essential. #J-18808-Ljbffr ...

Electronic Arts in Guildford, UK seeks a Senior Detection Engineer to advance our detection engineering strategy within the Enterprise Security team. This role is essential to safeguarding EA's cloud and production environments and will directly impact our ability to detect, respond to, and prevent cyber threats … scale. As a senior individual contributor, you will mentor junior engineers, help define engineering direction, and lead the development of scalable threat detection solutions, #J-18808-Ljbffr ...

Group in the United Kingdom is seeking an experienced Software Engineer to tackle security-focused software and data-processing challenges in a highly specialist environment. The role centers on C/C++ development and solving technically complex problems across disciplines. You will work across multiple projects, mentor junior ...

subject to experience Why This Role Exists Redgate's product teams move fast, across a growing set of AI and cloud-native technologies, and security can't just be a gat click apply for full job details ...

Jefferies is strengthening Global Information Security with senior engineering to deploy AI-driven automation across identity, privilege, network and cloud security. The London-anchored role supports APAC and Americas coverage as a production software engineer who ships AI-backed systems and owns them as services. You will … design and operate AI-assisted automation across security domains, with a focus on testable, auditable, least-privilege workflows and robust monitoring. #J-18808-Ljbffr ...

Smarkets is building a security engineering function from the ground up to support its cloud-native trading platform and regulated business. You will stand up the security program, implement guardrails, and automate security across CI/CD pipelines while partnering with infrastructure and engineering teams. You will ...

Entrust is seeking a technically hands-on FPGA Engineering lead to design and deliver complex FPGA‐based systems. You will drive architecture, verification, and integration with embedded software, while mentoring peers and guiding delivery across ...

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 work (80%) and frontend (20%), with an emphasis ...

Aspire Technology Solutions in Gateshead is seeking a 3rd Line Network Support Engineer to own complex network and security faults. You will work hands-on across our Fortinet and Extreme stack, with Cisco in customer environments, and serve as a trusted technical authority for the service desk. ...