51 to 75 of 128 Senior Security Engineer Jobs in the UK

Copper is seeking a Senior Security Engineer to strengthen its security posture by designing, implementing, and improving controls across IAM, cloud, endpoints, and network. You will work with cross‐functional teams to protect systems and data, ensuring governance aligns with regulatory requirements. The role requires hands … expertise, proactive risk reduction, and the ability to influence security best practices across the organization, with a hybrid London‐based setup and opportunities to #J-18808-Ljbffr ...

Role The Senior Security Engineer (Team Leader) is responsible for leading a dedicated security engineering team, combining hands-on platform engineering with technical leadership and people management. You will own security platform architecture, act as the primary escalation point for complex issues, and ensure platforms … remain secure, resilient, and compliant within a regulated environment. Key Responsibilities Act as technical lead for security engineering and platform architecture Serve as primary escalation point for complex and major incidents Provide technical leadership and mentoring to engineers and analysts Line manage and develop the security engineering ...

Copper is seeking a Senior Security Engineer to strengthen security posture through design and implementation of controls, identity services, cloud security and governance. You will work closely with technology and business teams to protect our systems and data. In this hands‐on role you will … lead initiatives in identity and access management, cloud security, endpoint protection, vulnerability management, automation, and security monitoring, ensuring controls remain effective and aligned with #J-18808-Ljbffr ...

company governs all of it. The AI Governance and Control (AIGC) platform understands user/agent intent and data context in real time, giving security teams visibility and control across every tool and workflow so companies can move faster with AI while minimizing risk. We operate … will be transparent about expectations for every role and provide the tools and support needed for you to thrive. About the Team We sell security to some of the most demanding enterprise security teams in the world, and we've held ourselves to that bar from day one. ...

member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Are you a software engineer who is passionate about building secure applications with an interest in moving into application security? Do you enjoy collaborating with engineering teams to drive … practical, secure-by-design solutions that reduce risk and improve delivery outcomes? About the Role As a Senior Application Security Engineer, you will contribute to strengthening secure software delivery across engineering teams by embedding security practices, tools, and automation into development workflows. This role focuses ...

Senior IT Security Analyst required to act as a senior technical contributor within a global cyber security team, owning selected cyber security domains end-to-end and driving practical improvements to reduce cyber risk. The role combines analyst and engineering responsibilities across security tools … vulnerability and exposure management, web and email security, incident response, and threat-informed remediation. The role works closely with infrastructure, cloud, application, identity and business teams to identify security issues, prioritise actions based on real-world attacker behaviour, and deliver measurable improvements to the organisation cyber defence posture. ...

help UK public sector organisations build and run digital services that are secure, trustworthy, and resilient. As a Senior Security Assurance Engineer in our Cyber practice, you'll take end-to-end ownership of security assurance work across complex government environments - designing audit approaches, leading risk … assessments, and helping clients understand and improve their security posture in ways that are proportionate, practical, and grounded in how their services actually work. This is a role with real scope. You'll operate across client engagements where the stakes are high - services that handle sensitive citizen data, systems ...

Senior IT Security Engineer will work alongside colleagues as part of a 3-person IT Security team. You will implement and maintain robust security systems and protocols across the organisation IT infrastructure. You will conduct risk assessments and vulnerability scans, mitigate vulnerabilities identified in penetration … testing, and implement preventative measures to protect against cyber threats. You will monitor the security infrastructure and detect and respond to potential threats. You will collaborate with the IT team to ensure compliance with security standards and best practices;you will essentially be a key technical leader ...

Title: Senior Security Systems Design Engineer Location: Blackburn Job Type: Contract Length: 12 months + Rate: £600-£650 per day INSIDE IR35 Security Clearance required - can start on BPSS then moving to SC Qualifications and training (typical) - HNC/HND/Degree in Electrical/Electronic … aligned to site requirements (varies by operator). - Vendor training/certification (beneficial): major VMS/ACS/IDS platforms used in the sector. - Security vetting/clearance: Enhanced BPSS & SC clearances required. Role purpose Design, engineer and assure integrated electronic security systems (ESS) for Critical National ...

Senior Network and Security Engineer - L2/L3 Network Infrastructure - Cyber Security - SIEM tools My client who are leaders in their field are looking for a Senior Cyber Security and Network Analyst to provide effective and timely operational support, development and management … network and security infrastructure to meet business requirements and objectives. Responsibilities: Support the delivery and maintenance of the organisation's cyber security and network infrastructure, ensuring systems remain secure, resilient, and aligned to business needs Manage day-to-day security operations, including monitoring SIEM platforms, Firewalls, endpoint ...

Land Registry (HMLR) are looking for a Senior Infrastructure Engineer in the Security Cluster to help protect the critical infrastructure and digital services that support land and property ownership across England and Wales. Permanent role, salary £48,400 - £59,300 (based on interview assessment), 29% employer pension … hybrid working from Plymouth. About the role This is a specialist role within HMLR's IT Operations Practice, working as part of an established Security function responsible for protecting systems, platforms and services across a varied technology estate. You will help design, implement and improve technical security controls ...

Land Registry (HMLR) are looking for a Senior Infrastructure Engineer in the Security Cluster to help protect the critical infrastructure and digital services that support land and property ownership across England and Wales. Permanent role, salary £48,400 - £59,300 (based on interview assessment), 29% employer pension … hybrid working from Plymouth. About the role This is a specialist role within HMLR's IT Operations Practice, working as part of an established Security function responsible for protecting systems, platforms and services across a varied technology estate. You will help design, implement and improve technical security controls ...

Aalyria Technologies, Inc. is seeking a Senior Security Engineer to manage cloud security and network compliance operations. The role is vital in protecting our cloud infrastructure and ensuring alignment with CMMC L2 and NIST standards. Ideal candidates will have 5+ years in infrastructure security, with ...

Flagstone is seeking a senior security engineer to own cloud security, detection tooling, and incident response within our Azure environment. You’ll operate Sentinel, Defender for Cloud, and drive secure development practices across our delivery pipelines. You’ll lead penetration test coordination, contribute to detection ...

Flagstone is actively seeking a senior security engineer to own critical parts of our security stack across Azure, Sentinel, Defender for Cloud, and related tooling. You’ll drive incident response, threat detection, and secure AI workflows in a fintech context with visible impact and cross‐team ...

seeking a Staff Security Engineer to advance security observability, automate controls and strengthen governance across its global tech estate. This senior individual contributor role partners with engineering, data, AI and digital workplace teams to raise security maturity in a fast-moving environment. You will design … scalable security observability, automate assurance and embed secure practices into products and platforms while driving measurable risk reduction and security outcomes at #J-18808-Ljbffr ...

Senior IT Security Engineer will work alongside colleagues as part of a 3-person IT Security team. You will implement and maintain robust security systems and protocols across the organisation IT infrastructure. You will conduct risk assessments and vulnerability scans, mitigate vulnerabilities identified in penetration ...

Senior Engineer - Identity & Token Security Rate: £550 day Outside IR35 Start Date: ASAP End Date: 18/12/2026 Active SC Clearance Location: Remote/Hybrid (UK-based) Responsibilities Design and implement OAuth 2.0 Token Exchange (RFC 8693) capabilities. Develop secure identity delegation and propagation patterns … strategies. Understanding of secure alternatives to shared-secret authentication mechanisms. Experience securing service-to-service communication within distributed microservice architectures. Understanding of zero-trust security principles. Knowledge of secure transit-layer protection and identity-based access controls. Identity Delegation & Token Management Experience implementing: Token down-scoping Audience restriction ...

Harmonic Security in London seeks a Senior Product Security Engineer to own and evolve the platform's security architecture, writing production code that hardens authentication, authorization, encryption, and multi-tenant isolation. You will define security standards, run threat modeling, and partner with engineering … bake security into design time. This role emphasizes hands-on coding, accountability, and building secure systems for enterprise-grade AI-enabled workflows in a fast-moving #J-18808-Ljbffr ...

Senior Software Engineer, Firefox Security Remote UK Why Mozilla? The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over … design, build and distribute open-source software that enables people to enjoy the internet on their terms. What you’ll do: Advance Firefox's security architecture and cryptography stack: Contribute to improvements in Firefox’s core security systems, with a focus on cryptographic protocols, WebPKI, and security ...

Avencia Talent Solutions Limited is seeking a Senior Cyber Security Engineer to bolster hands-on security engineering capability during a security maturity uplift. You will operationalise tooling (CrowdStrike Falcon, Wiz CSPM, Mimecast, Microsoft security stack), handle remediation backlog and produce audit-ready evidence. Collaborating … with Head of Cyber Security, IT operations, outsourced SOC/MDR and delivery partners, you will ensure protection is measurable and compliant with regulatory #J-18808-Ljbffr ...

Fidelis Partnership is seeking a Senior Cyber Security Engineer to strengthen hands-on security engineering during a period of security maturity uplift. You will operationalise tooling, remediate backlog, and produce audit-ready control evidence in collaboration with IT, SOC partners and delivery vendors. You will … work on CrowdStrike Falcon, Wiz CSPM, Mimecast and Microsoft security stack, delivering measurable improvements aligned with regulatory expectations and recognized frameworks. #J-18808-Ljbffr ...

Fortinet seeks a Senior Application Security Engineer to join its Corporate Information Security team in a hybrid role. You will conduct security reviews on Fortinet applications, educate engineers, and manage externally reported vulnerabilities. You will collaborate with development teams on code reviews, dynamic/static … testing, threat modeling, and secure design across platforms and cloud environments, driving security in the SDLC. #J-18808-Ljbffr ...

Morson Human Resources Limited is seeking an experienced Senior Cyber Security Engineer for a 12‐month contract, National location. The role focuses on strengthening Security Operations, optimising XSIAM tooling and improving threat detection with automation. You will work in a high‐performing cyber security team … deliver dashboards for senior stakeholders, and support incident response while keeping aligned with government standards. #J-18808-Ljbffr ...

iProov is seeking an experienced Senior iOS Security Engineer to join our Product Security team in the UK. You will focus on hardening iOS apps and SDKs, implement RASP and anti-tamper controls, and defend biometric verification workflows. Collaborate with science and engineering teams to embed … security across the product lifecycle, research new attack techniques, and contribute to our security roadmap with practical defenses and proof-of-concepts. #J-18808-Ljbffr ...