151 to 175 of 322 Senior Security Engineer Jobs in the UK

Mizuho EMEA is seeking a Cyber Security Engineer at the Assistant Vice President level to advance threat detection, threat hunting, and security automation within our Proactive Security team in London. The role emphasizes building and refining security tooling, SIEM/EDR configurations, and SOC collaboration. ...

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 gate at the end of that process. This role exists to embed security expertise directly into … control the judgement. Everyone at Redgate works with Claude, giving you access to the best AI tools from day one. Why Join Our Product Security Team You’ll shape how security works across multiple product teams, rather than enforcing policy from the sidelines. There's real scope ...

Hellios Information Limited is seeking a Cyber Security Engineer to safeguard information assets and develop cybersecurity strategies in compliance with regulations such as GDPR and NIS2. You will oversee security operations and incident response across the organization. Ideal candidates have over 10 years of experience in information … security and recent leadership in cybersecurity engineering roles. The position offers a chance to influence at senior management levels while ensuring strategic security goals are met. #J-18808-Ljbffr ...

Cisco Systems is looking for a Tetragon Security Engineer in Greater London. The role involves developing and maintaining runtime security policies for Tetragon, a Kubernetes-aware security tool. Candidates should have over 3 years of experience in threat research and security detections. The position offers … opportunities to work with both Cisco and Isovalent engineers on enhancing security capabilities. Effective communication skills are essential, and familiarity with eBPF and Kubernetes is preferred. #J-18808-Ljbffr ...

Leonardo UK is seeking a Principal Product Security Engineer to join the Combat Air and Electronic Warfare team in Lincoln. You will define product security requirements, support development activities, and drive security assurance across the product lifecycle to ensure robust, compliant, and resilient designs. The role … involves liaising with security experts, applying UK government assurance processes, and contributing to security governance across the business. #J-18808-Ljbffr ...

Mozilla is seeking a Senior Software Engineer to design and implement enterprise security and hardening features for Firefox. You will advance security architecture across operating systems and work with distributed teams to deliver robust fixes. You will diagnose issues affecting stability and performance in a complex ...

Supply & Trading GmbH in the UK is seeking an experienced AWS Cloud Security Engineer to secure, evolve and operate the AWS platform used by RWEST teams to run business-critical applications. You will embed security into cloud foundations and shared services, collaborating across platform engineers, application teams … security specialists to implement robust security controls from the start. You will design and monitor IAM, security monitoring, and threat modelling, ensuring secure #J-18808-Ljbffr ...

seeking a Principal Product Security Engineer in London to lead the strategy and hands-on delivery of security across cloud platforms, code and CI/CD pipelines. You will act as a senior contributor, building secure-by-default patterns, guiding engineering teams and shaping security ...

years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people. … mitigate attacks across Mozilla’s products and services. In this position, you will be a part of a flexible team responsible for handling security incidents. As such, you’ll need to have years of practical security experience and knowledge of the state of the art for detecting ...

Senior Full Stack Engineer, Agentic Security About Dynamo AI Dynamo AI is building the future of trustworthy AI for the enterprise. Our platform provides real-time guardrails, red-teaming, and observability for generative and agentic AI systems-ensuring safe, compliant, and reliable deployments across regulated sectors such … well recognized and well funded (>$30M raised), with offices in NYC, SF, Bangalore, and a European office planned to open soon. The Agentic Security Team builds the product and infrastructure behind Agent Warden - a security layer for agentic systems that detects risk patterns, enforces guardrails, and gives teams ...

Senior Security and Fire Systems Service Engineer sought for a progressive NACOSS Gold and BAFE FIRE Gold accredited company covering Greater London. You will service access control, video surveillance, intruder and fire systems, plus associated hardware across multiple sites, with on-call rota and competitive salary. ...

leading technology company in Cambridge is seeking a Product Security Engineer to enhance the security posture of their SoC and embedded firmware solutions. This role involves reviewing firmware code, evaluating system architectures, and collaborating with cross-functional teams to implement security measures. Ideal candidates possess strong ...

North is seeking a Senior Safety & Security Engineer to service and upgrade enterprise CCTV, access control, fire detection and intruder alarm systems. The role involves on-site technical support, documentation, and a 24/7 on-call rota. The candidate should have strong communication and teamwork skills ...

Elasticsearch B.V. seeks a Senior Information Security Infrastructure Engineer to join the InfoSec - Security Architecture team. You will own the end-to-end pipeline for security telemetry, ensuring Elasticsearch clusters remain healthy, from new data source landing to detection and operations. You will work with ...

Brex is seeking a Senior Application Security Engineer to identify and remediate vulnerabilities across the Brex platform. You will perform code reviews, penetration testing, and tooling development to support secure developer workflows. You will collaborate across Security Operations, GRC, Product Security, Front End Platform … Infrastructure, applying threat modeling, SAST/DAST, and agentic AI security to protect a global financial service used by top customers. #J-18808-Ljbffr ...

Senior Solutions Engineer - UK Defence & Security Marlow -Hybrid We'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 into answers. If you're looking for a dynamic, fulfilling career with … departments and with an Enterprise Agreement with MOD. About the role: We are expanding our Public Sector Business Unit and are looking for a senior technical client advisor to support our Defence, National Security, Law Enforcement & Justice customers. In this role, you will combine technical credibility, industry understanding ...

Mane seeks a Senior Cyber Security Engineer (Assurance) to provide technical leadership across product and whole‐solution security in rail OT environments. You will lead security activities through the engineering lifecycle—from bid and design to commissioning and support, securing rail signalling, SCADA and related … systems. The role offers flexible UK location with weekly face‐to‐face in Chippenham or Ashby de la Zouch, plus collaboration with customer security teams to define, implement and #J-18808-Ljbffr ...

Mane seeks a Senior Cyber Security Engineer (Assurance) to provide technical leadership across product and whole‐solution security in rail OT environments. You will lead security activities through the engineering lifecycle—from bid and design to commissioning and support, securing rail signalling, SCADA and related … systems. The role offers flexible UK location with weekly face‐to‐face in Chippenham or Ashby de la Zouch, plus collaboration with customer security teams to define, implement and #J-18808-Ljbffr ...

Avaloq is seeking a Senior Software Engineer in the Security Assurance team. You will design and maintain CI/CD pipelines and automation tooling to embed security into the software development lifecycle, across source-code, containers, and vulnerability management. Collaborating with software engineering, DevOps, cloud … security teams, you will build scalable security solutions for containerized applications and OCI-based environments, delivering actionable insights and secure releases. #J-18808-Ljbffr ...

Softcat plc is seeking a Senior 3rd Line Network and Security Engineer to join the dedicated Network and Security team. You will be responsible for providing 3rd line support to both internal and external customers and drive incidents to resolution. The role emphasizes knowledge sharing, complex … configurations, and end-to-end ownership of escalations, with hybrid working patterns and a strong focus on security technologies. #J-18808-Ljbffr ...

Johnson Controls is seeking a Service Engineer - Security to deliver on-site technical security engineering support for client sites. You will diagnose faults, perform PPM tasks, and coordinate vendor support to ensure timely resolutions while maintaining documentation and risk assessments. The role requires installation and commissioning experience ...

leading technology company in the UK seeks a Security Engineer – Fuzzing Specialist. The role involves owning a coverage-guided fuzzing program, improving security through proactive fuzz testing, and collaborating with product teams to resolve vulnerabilities. The ideal candidate will have experience in application security, proficiency ...

seeking a Senior Offensive Security Engineer to lead red team engagements and adversary simulations across trading, IT, and cloud environments. You will translate findings into concrete improvements and help shape the offensive security program. You will work with security, infra, and trading teams to mature ...

Grafana Labs is seeking a Senior Software Engineer for Security Assurance to join the GRC engineering team. You will build security observability, compliance, and control management systems for a cloud-native, remote-first environment. This role emphasizes automated programs, cross-functional collaboration, and proactive defense across ...

Just Eat Takeaway.com is seeking an application security engineer to protect our global platform. You’ll work with international teams to ensure security controls across the SDLC, consult on time-sensitive features, and mentor developers in secure practices. You’ll lead threat modelling, design reviews, and code … reviews, assess AI-enabled services for vulnerabilities, and champion security across product teams with strong communication and collaboration skills. #J-18808-Ljbffr ...