76 to 100 of 109 Senior Security Engineer Jobs in the UK

Senior Network & Security Engineer - Hybrid, Multi-Site

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Publicis Groupe UK seeks a Network and Security Engineer to join a global IT Infrastructure team. You will provide Level 2 and 3 support and administration for network and security operations across multiple sites, interfacing directly with internal clients to deliver secure, reliable connectivity. This hybrid role ...

Senior AI Security Engineer - Enablement & Risk

Hiring Organisation
Jobleads-UK
Location
England, United Kingdom
Trustly is seeking a Staff AI Enablement Security Engineer to secure Claude, MCP implementations, and agentic AI tooling across Trustly's AI initiatives. You will define security standards and build tooling to move fast with AI while maintaining strong defense. In this hybrid San Francisco role … will lead security assessments for AI systems, implement controls, and partner with the AI Enablement team. You'll mentor engineers and stay ahead of evolving threats in ML/LLM environments. #J-18808-Ljbffr ...

Senior Network and Security Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
agencies with the business solutions, technology platforms and expertise they need to transform, innovate and increase productivity. Overview We are seeking a Network and Security Engineer to be part of a highly motivated team in a challenging and rewarding environment. The candidate will work as part … ability to work in a fast-paced environment providing Level 2 and 3 technology support and administration for the IT Infrastructure Network and Security Operations Team. Technology support will cover network and security technologies across multiple sites in multiple countries. Responsibilities Solid understanding and minimum 8-10 Years ...

Senior Cyber Security Engineer - Azure, API & AI Risk

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
Experis - ManpowerGroup is seeking a Senior CyberSecurity Engineer to own security across web estate, Azure cloud, and AI services. You will harden web ingress, manage WAF via Cloudflare/Akamai, and enforce identity controls like Entra ID within a security‐driven development environment. This role interfaces … with SOC/MDR providers and engineering teams to embed security by design, protect APIs, and stay ahead of AI threat vectors. #J-18808-Ljbffr ...

Senior Security Assurance Engineer — Strategy & Delivery

Hiring Organisation
Jobleads-UK
Location
Bristol, England, United Kingdom
Made Tech in the United Kingdom is seeking a Lead Security Assurance Engineer to define technical direction for identifying, assessing, and responding to security risk across government projects. You will embed assurance into design, production, and delivery, building trusted relationships with client security teams and senior ...

Senior Cloud Security Engineer – AWS/Azure/GCP (Hybrid)

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
Stott and May is seeking a Security Cloud Engineer to strengthen cloud security across AWS, Azure, and GCP in a hybrid Manchester setting. The role focuses on secure adoption, automation, governance, and compliant cloud platforms, collaborating with DevOps and engineering teams on design and implementation. You will … contribute to secure CI/CD pipelines, cloud security controls, and incident management while working with containerized environments and infrastructure as code tools. #J-18808-Ljbffr ...

Senior Software Engineer - National Security (Data Systems)

Hiring Organisation
Sanderson Government and Defence
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
Senior Software Engineer - National Security (Data Systems) About the role You'll design and deliver scalable data processing solutions for customers operating in highly sensitive, demanding environments. This is hands-on technical work: you'll architect cloud-native systems, lead data pipeline development, and work directly with … technical and non-technical audiences, and care about getting details right. You've worked on platforms that matter and can thrive in fast-moving, security-conscious environments. We offer Competitive salary, 30 days' holiday, flexible working, and the chance to work on problems that genuinely protect UK interests. ...

Senior Fire & Security Engineer

Hiring Organisation
Haitch Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 40,000 - 50,000 Annual
Overview A Fire & Security Service Engineer is responsible for the installation, maintenance, servicing, and repair of fire detection systems, intruder alarms, CCTV, access control, and other life-safety or security technologies. Small works (Installation) of the aforementioned systems are also included in this role. The role ensures … line with industry standards and manufacturer guidelines. • Diagnose faults and implement effective solutions to restore system functionality. • Install and commission new fire and security systems when required. • Ensure compliance with relevant standards such as BS 5839, BS 5266, NSI, and FIA guidelines. • Complete accurate documentation, including service reports, certificates ...

Senior Software Engineer - National Security (Data Systems)

Hiring Organisation
17918
Location
Gloucester, Gloucestershire, United Kingdom
Senior Software Engineer - National Security (Data Systems) About the role You'll design and deliver scalable data processing solutions for customers operating in highly sensitive, demanding environments. This is hands-on technical work: you'll architect cloud-native systems, lead data pipeline development, and work directly with ...

Senior Software Engineer - National Security (Data Systems)

Hiring Organisation
Sanderson Government and Defence
Location
Gloucester, Gloucestershire, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Senior Software Engineer - National Security (Data Systems) About the role You'll design and deliver scalable data processing solutions for customers operating in highly sensitive, demanding environments. This is hands-on technical work: you'll architect cloud-native systems, lead data pipeline development, and work directly with ...

Senior Cloud Security Engineer — AI-Powered SIEM (Go)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
CrowdStrike is seeking a Senior Software Engineer, Cloud to join the Threat Detection and Incident Response (TDIR) team and help revolutionize security management with our AI-native Falcon Next-Gen SIEM platform, enabling customers to detect, investigate, and hunt threats at scale. You’ll design, architect ...

Senior DevOps Engineer: AI-Infra & Security

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Harmonic Security is seeking a Senior DevOps Engineer to design, build, and maintain scalable infrastructure powering our security platform. You will automate cloud deployments, implement reliable CI/CD, and drive best practices across engineering and operations. Join a fast-moving startup at the AI-security edge, where you’ll influence architecture decisions, work across AWS regions, and help ensure resilience and security while enabling the team to move quickly and safely. #J-18808-Ljbffr ...

Senior Security Engineer

Hiring Organisation
83zero Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £90000/annum
Salary: £80,000 - £90,000 per annum Location: London What the role covers: Designing, developing, optimizing, and enhancing a GenAI prompt security platform to protect firm AI/LLM-based applications from adversarial attacks and prompt injections. Building and automating a security testing framework to validate protection mechanisms ...

Senior Network Security Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
simple, to the large and complex, we want a life-long partnership, a company our clients and people can rely on. The Role: As Senior Network SecurityEngineer, you will be responsible for the end-to-end design and implementation of security solutions within clients. This will involve working … requires absolute delivery working under various conditions, often unsupervised on site with the client. Working as part of a virtual project team the project engineer would be responsible for the delivery and technical assurance of the entire implementation life cycle to deliver the agreed solution seamlessly. This may include ...

Senior Fire and Security Engineer

Hiring Organisation
FS Recruitment Services Ltd
Location
Bradford, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
GBP 45,000 Annual
Ilkley/Leeds Area Up to £45,000 + Additional £750 Working Away Bonus Our client is currently seeking an experienced Senior Installation Engineer to join their growing team based in Ilkley. This is an excellent opportunity for a skilled engineer with a strong background across fire … security systems to join a reputable company that truly invests in its employees and offers genuine long-term care click apply for full job details ...

Senior Product Security Engineer — Threat Modeling & SDLC

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Zopa is seeking security-minded professionals to join our Product Security Team in London. You will perform security assessments across mobile, web, and backend systems, helping ensure secure development from inception. Work closely with engineers and product teams to threat model features, integrate security tooling … drive secure training. This role suits hands-on security experts who thrive in a fintech environment. #J-18808-Ljbffr ...

Senior C++ Engineer, Core Security for Windows VM

Hiring Organisation
Jobleads-UK
Location
Cambridge, England, United Kingdom
Wolf Security in Cambridge, UK, seeks a Senior Software Engineer, Core (C++), to design and develop our security solution based on micro-virtualization. You will work in a small team to ensure Windows applications run inside micro-VMs securely and efficiently. The role offers a hybrid … working arrangement with onsite presence three days per week, a modern site, and opportunities for career development within a cutting-edge security platform. #J-18808-Ljbffr ...

Senior ML Engineer, National Security — Hybrid London

Hiring Organisation
Jobleads-UK
Location
United Kingdom
Faculty in London is seeking a Senior Machine Learning Engineer (National Security) to lead technical scoping and architect high-impact ML systems, designing production‐grade software and scalable infrastructure while aligning with ethical standards. You will collaborate across engineering, data science, product and commercial teams, mentor junior ...

Senior Network Security Engineer - Zero Trust & SSE

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
JPMorgan Chase & Co. is seeking a Lead Software Engineer to drive proxy, SSE, and ZTNA initiatives within Enterprise Technology. You will architect secure patterns for perimeter and egress controls, lead AI-assisted development practices, and coordinate across cybersecurity and network service teams to deliver trusted, scalable software solutions. … will influence technology strategy and governance, shaping standards for perimeter security and access brokering while ensuring robust security #J-18808-Ljbffr ...

Senior Cloud Security Platform Engineer - IAM & Governance

Hiring Organisation
Jobleads-UK
Location
United Kingdom
Samsara is seeking an experienced Senior Software Engineer to join the Cloud Governance Platform team. You will design and implement core components that enforce governance, IAM, security controls, and software supply‐chain protections across our cloud infrastructure. You will contribute to the roadmap for governance tooling across … translate regulatory requirements into automated controls, and collaborate with Security, Compliance, and Product Engineering to scale solutions #J-18808-Ljbffr ...

Senior Information Security Engineer

Hiring Organisation
AJ BELL BUSINESS SOLUTIONS LIMITED
Location
Salford, Manchester, United Kingdom
Employment Type
Permanent
Salary
GBP 90,000 Annual
support the Chief Information Security Officer in managing and reporting the Information Security Risks faced by Technology Services (TS) in delivering AJ Bells systems and services. This role is responsible for playing a lead role in designing and implementing improvement to the Cybersecurity risk management tools, systems ...

Senior ICT Infrastructure & Security Engineer

Hiring Organisation
Jobleads-UK
Location
United Kingdom
Mott MacDonald is seeking an ICT Principal Engineer to design Security Systems and ICT Infrastructure within the Digital Infrastructure team. The role supports the Buildings division and collaborates with the Building Services ME P team across major projects in the UK and beyond. Based ...

Senior Microsoft 365 Security Engineer

Hiring Organisation
Hays
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £500.0 per day + Paying up to £500 Per Day
ecosystem is central to safeguarding sensitive research, enabling scientific collaboration and ensuring critical services run securely and efficiently. They are now strengthening their cloud security posture and are seeking expertise to guide, protect and evolve their Microsoft 365 capabilities. This is a setting where your skills will directly support … conducting deep investigations, remediating threats and ensuring that policies, configurations and controls remain robust and resilient. Your work will involve collaborating closely with cyber security, infrastructure, networking and service delivery teams, ensuring that new services and configurations are delivered securely and aligned with modern best practice. This role will ...

Senior Security Incident Response Engineer

Hiring Organisation
Jobleads-UK
Location
United Kingdom
Samsara is seeking an experienced Security Incident Response professional to join our UK‐based EMEA team. You will collaborate with a global group of engineers to monitor security events, lead incidents, and drive digital forensics investigations in support of Employee Relations, Legal, and Information Security cases. … will develop runbooks and automated workflows, mentor junior engineers, and partner with cross‐functional teams to strengthen security postures while aligning with Samsara’s #J-18808-Ljbffr ...

Senior Cloud Governance Engineer — IAM & Security

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Samsara is seeking a Senior Software Engineer to join our Cloud Governance Platform team, delivering secure, scalable governance and software supply-chain protections across AWS and GCP. You will own end-to-end components, contribute to roadmaps, and transform regulatory requirements into automated controls while collaborating with cross ...