26 to 50 of 93 Senior Security Engineer Jobs in London

Copper is seeking a Senior Security Engineer in London to strengthen our security posture across IAM, cloud platforms, and governance. You will lead security controls, automation, and incident response, partnering with technology, infrastructure, and business teams. This hands-on role requires deep security engineering … expertise and the ability to influence security best practices across the organisation. You will design and implement security solutions and drive remediation with a proactive #J-18808-Ljbffr ...

Senior Endpoint & Security Engineer, London office Information Technology Group UK-London Office 8x8 connects our customers and teams globally, empowering CX leaders with performance and insights to make smarter decisions, delight customers, and drive lasting business impact. At 8x8 we',re reimagining how work gets done … centre of that. Were looking for a Sr. Endpoint &Security Engineer, based full-time in our London office , to own our endpoint security stack globally while also being the on‐site technical presence for our London team. This is a global engineering + local IT Site Support ...

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 ...

bringing cutting‐edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not years. We're seeking a Senior Product Security engineer to develop novel security tooling, discover vulnerabilities, and ultimately secure our suite of advanced technologies including artificial intelligence systems … control platforms, aerospace vehicles, and long range sensors. The ideal candidate has a background in electrical or software engineering, with a focus on platform security, or has pivoted to a product or application security role. They will be able to conduct complex security architecture reviews, research ...

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. ...

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. ...

Senior ICT & Security Design Engineer - London RED are an expanding international M&E consultancy, with a proven track record in low energy design, focused on providing excellent design solutions to clients. Through our market leading technical expertise, we enable the world’s digital infrastructure and develop … fellow project stakeholders. We add value with our people, client service ethos, global delivery strategy, technical ability, and attitude. We now seek a Senior ICT & Security Engineer to be based out of our London office. Role Responsibilities Carries out cost and profit diagnosis on projects including feasibility ...

Pay.UK is seeking a Senior Security Engineer in London for a 12-month fixed-term contract. You will design and implement security controls across payment systems, review architectures, and lead vulnerability management with cross-functional teams to ensure secure delivery. The role focuses on practical security ...

since 2017 and backed by top investors including Balderton Capital and Goldman Sachs. About the Role We are looking for a practical, execution-focused Security Engineer to manage the configuration, integration, and engineering lifecycle of our internal security tools. This role is highly versatile and focuses … solving security problems with code and automation. The engineer will act as the engineering engine room for the InfoSec team, collaborating closely with various security and IT leads to translate security requirements into working configurations, automated pipelines, and custom data integrations. What You’ll Be Doing ...

leading music streaming service is seeking a Senior Security Engineer to bolster enterprise security while supporting a fast-paced environment. This role involves designing automation, managing security tooling, and collaborating with IT and legal teams. Candidates should have extensive experience in enterprise security ...

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 ...

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 ...

leading delivery service provider in the UK is searching for a Senior Corporate Security Engineer to lead the design and operation of security controls across various platforms. The role includes a focus on Identity and Access Management (IAM), network security, and collaboration with global teams. … ideal candidate should have over 5 years of experience in Security Engineering, strong understanding of IAM platforms, and skills in automation scripting. This is a unique opportunity to shape the security landscape at a fast-growing company. #J-18808-Ljbffr ...

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 ...

Anduril Industries seeks a Senior Product Security engineer to develop novel security tooling, discover vulnerabilities, and secure our AI-enabled and autonomous systems. You will perform architecture reviews, analyze firmware and software, and collaborate with hardware and software teams to harden products across aerospace, defence … sensing domains. You will lead security feature development, author security documentation, and advance threat modelling, risk assessments, and security testing #J-18808-Ljbffr ...

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 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 ...

This role is a 12 Month Fixed Term Contract As a Senior Application Security Engineer at giffgaff on a 12-month fixed-term contract, you'll be responsible for embedding security into the way we design, build and operate our products. Working across a modern technology … estate, you'll help ensure security is considered from the earliest stages of development through to production, enabling engineers to deliver secure software with confidence. This role combines technical depth with collaboration and influence. You'll work alongside engineers, architects and platform teams to identify risks, improve security ...

Senior Cloud Security & DevSecOps Engineer will play a vital role in protecting Cantor's global cloud estate. This hands-on role involves embedding security early in the SDLC, leading complex cloud security issue resolution, and implementing robust controls across identity, workloads, data, and the software … vendors, champion ITIL processes, and stay ahead of emerging cloud and DevSecOps technologies. Responsibilities Manage and maintain CSPM/CNAPP platforms, cloud-native security services, and policy-as-code pipelines. Perform precise and accountable implementations, configuration changes, and platform upgrades across AWS, Azure, and GCP. Work with vendors ...

United States Digital Space LLC in Greater London is seeking a Senior Application Security Engineer to enhance their security measures across product development. This role involves embedding security by design, collaborating with engineering and product teams, and conducting thorough risk assessments. The ideal candidate will … have over 5 years of experience in application security, particularly in SaaS environments, and possess a deep understanding of secure coding practices. This position offers the opportunity to influence security strategies while enabling rapid product development in a collaborative environment. #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 ...

Vanta, our mission is to help businesses earn and prove trust.We believe that security should be monitored and verified continuously, and we empower companies to practice better security and prove it with ease. Vanta has a kind and talented team, and while some have prior security experience … many have been successful at Vanta without it. As a Senior Software Engineer on our Privacy & Data Security team based in London, you'll be an early member of our growing presence in Europe. You'll partner with product management, product design, and your team to drive ...

Financial Times is seeking a Senior Cyber Security Engineer to enhance application and cloud security within their AWS-hosted environment. The role focuses on vulnerability management, developing security guardrails for CI/CD pipelines, and facilitating threat-modelling sessions. You will work collaboratively with engineering … teams, ensuring secure delivery practices while mentoring junior staff. Ideal candidates will have strong practical experience in security and a developer-friendly mindset. An AWS Security certification is preferred. #J-18808-Ljbffr ...