51 to 75 of 164 Senior Security Engineer Jobs in London

about life at Klaviyo? Visit klaviyo.com/careers to see how we empower creators to own their own destiny. Klaviyo is looking for a Senior Security Engineer to add to our growing Detection & Response Team. This is an engineering role that spans the full detection and response … from doing the same work twice. As a member of the team, you will have the opportunity to work on complex large-scale security challenges across Klaviyo’s enterprise, cloud, and product environments, and shape how an engineering-first D&R function uses automation and AI in production ...

Senior DevSecOps Engineer | Security, Automation & CI/CD A major global financial organisationare improving their technology estate for a critical systems and are seeking a Senior DevSecOps Engineer with a strong focus on security, automation and software delivery. The role will involve embedding security … supporting CI/CD platforms and implementing solutions for identity, access, secrets and certificate management. The successful candidate will have experience working with enterprise security controls and DevSecOps practices, alongside strong technical capability across automation and CI/CD tooling. Key qualifications and experience: 8+ years experience in DevOps ...

EMEA SARL (UK Branch) is seeking a Senior Security Engineer to lead the development of security services across the AWS cloud. You will work with data scientists, software engineers, and other security experts to automate threat detection and mitigation, while engaging with UK customers … senior leaders to uphold security standards. The role emphasizes mentoring, distributed systems experience, and the ability to obtain UK Government Security Clearance. #J-18808-Ljbffr ...

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 ...

Klaviyo is seeking a Senior Security Engineer to join the Detection & Response Team. You will develop detections, triage alerts, lead investigations, and build tools for scalable security across enterprise, cloud, and product environments. You will work on threat hunts, automate detection pipelines, and collaborate with Threat … Intelligence to counter sophisticated threats while shaping AI-first security solutions. This role involves on-call rotations and mentoring teammates. #J-18808-Ljbffr ...

Senior Cyber Security Engineer/Specialist Working policy: 4 days per week required in the office during probation, 3 days thereafter. Reporting into my clients Infrastructure Engineering Manager, the role will be responsible for the ownership and continual development of cybersecurity controls and security architecture click ...

ambitions but needs more excellent minds to challenge the status-quo and help it reach new horizons. Where you come in? As our Senior Application Security Engineer, you’ll empower our engineering and product teams to safely adopt AI and embed robust technical security controls directly … into our services and workflows. By designing cloud-native security guardrails and automating processes, you’ll make the secure path the easiest path for our builders. Your work will span our entire development lifecycle, protecting everything from agentic LLM integrations to the everyday tools we use. ...

Docebo, a global AI-powered learning platform, is seeking a Senior Security Engineer to secure its AWS cloud estate. You will own security architecture, enforce baselines, and drive risk reduction across multi‐account environments. Collaborating with Cloud Infrastructure, Engineering and Security teams, you’ll integrate … security controls into IaC and CI/CD, lead incident response, and build cloud‐native detection aligned with MITRE ATT&CK for Cloud. #J-18808-Ljbffr ...

Amazon Web Services (AWS) seeks a Senior Security Engineer to help build and manage services that detect and mitigate cybersecurity threats across its infrastructure. You will work with data scientists, software engineers, and other security engineers across multiple teams to develop innovative security solutions that … protect AWS and its customers. You will collaborate with UK-based security teams, drive threat modeling, and mentor junior engineers, while upholding the highest security standards #J-18808-Ljbffr ...

Tain, we are seeking a Senior Security Engineer (Infrastructure) to strengthen security across cloud and on‐prem environments. The role collaborates with INO, Corporate IT and Platform Engineering to enforce scalable controls, improve visibility and resilience, and mature security practices in high‐availability setups. … candidate will apply expertise in networking, cloud, edge security, and infrastructure hardening, helping drive incident response, secure configurations and tooling across #J-18808-Ljbffr ...

seeking a highly motivated Senior Cloud Network & Security Engineer to join our Global Network Architecture & Engineering team. This role is focused on designing, securing, automating, and evolving next-generation network services across a large global enterprise. Working across AWS, Azure, Cloudflare, and other cloud platforms, you will … help define and engineer secure, scalable, and resilient connectivity spanning cloud, data centre, campus, branch, internet, SaaS, and hybrid environments. The role combines cloud networking, cloud security, internet edge services, platform engineering, network automation, and AI-enabled operations. You will play a key role in shaping the firm ...

grow your career. Engineering at Brex Engineering at Brex is about building systems that scale with speed and intention. Our teams span Software, Data, Security, and IT, and operate with high autonomy and deep collaboration. We tackle hard technical problems, own our outcomes, and push for excellence at every … level - from architecture to deployment. It's an environment where engineering is a craft, and builders become leaders. What you'll do As a Senior Application Security Engineer, you will focus on finding and responding to security vulnerabilities across the Brex platform. In this role ...

Engine by Starling is seeking an experienced Senior GCP Security Engineer to join the Security Engineering team. You will own the security foundations of our Google Cloud Platform environment and work on automation, security controls, and GKE hardening. You'll collaborate with Information Security, Infrastructure, and cross-functional teams to design and implement cloud security architectures, threat prevention, and compliance processes in a fast-paced fintech setting. #J-18808-Ljbffr ...

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 ...

Senior ICT & Security Design Engineer - London, Bicester or NewcastleRED 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 … 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, Bicester or Newcastle office. Role ResponsibilitiesCarries out cost and profit diagnosis on projects ...

Tripadvisor Experiences in London is seeking a Senior Application Security Engineer to lead security across our platform. You will design and implement advanced security measures, mentor junior engineers, and shape security practices across products and infrastructure. The role requires hands-on expertise in threat … modelling, vulnerability assessments, secure coding, SAST/DAST, and cloud security, with a track record of guiding teams and collaborating with product and engineering to embed #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 ...

Engine by Starling is seeking a Senior GCP Security Engineer to own the security foundations of our Google Cloud Platform and collaborate with information security, infrastructure and Engine technology teams to embed security into all processes. You will design and deploy secure GCP infrastructure … implement IAM and access controls, and automate security controls to ensure continuous compliance with PCI DSS and 3DS across our environments. #J-18808-Ljbffr ...

Experis - ManpowerGroup in London offers a hybrid Senior AI Security Engineer role focused on designing and embedding security across AI-driven systems. You will drive secure-by-design principles within the software development lifecycle and help shape our Information Security vision. This role centres … designing, testing, piloting and deploying security solutions that automate security processes at scale across design, build and maintenance phases. #J-18808-Ljbffr ...

Cyber Security Specialist/Cyber Security Engineer - CISSP, CEH, CCNA Security, Incident Response, Threat Monitoring, Vulnerability Management, Security Architecture, Azure, Windows Server Infrastructure. Permanent. London Hybrid. c.£90k - £100k + Bons +Benefits Global Law Firm seeks an experienced IT Cyber Security Specialist to join ...

Senior Security and Fire Systems Service Engineer Full-time, Monday to Friday 08:0017:00 Covering Greater London Fidelity is a progressive and expanding NACOSS Gold and BAFE FIRE Gold accredited Integrated Security and Fire Systems company specialising exclusively in commercial applications. As part … support to junior engineers and apprentices Take part in the out-of-hours on-call rota Key Skills & Experience Strong industry knowledge across integrated Security and Life Safety Systems Excellent understanding of electrical principles Proven problem-solving and fault-finding ability Solid knowledge of relevant regulations and standards Personal ...

Pigment is seeking a hands-on Security Engineer to own the security roadmap for its product, infrastructure and CI/CD environment. You’ll read code, model threats, triage vulnerabilities and build automation with the team. You’ll work across application and infrastructure security, detection … assurance, partnering with engineers and SREs to keep certifications current while pushing security depth and velocity. #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 ...

Intropic is seeking a senior security leader to own the security stack across cloud, endpoints, detection and response, and AI agent usage. You will set priorities, lead implementation, and own results in a fast-moving FinTech environment. The role involves hardening EKS clusters, tuning detections, planning pentests … enabling engineers with secure agent access. 5+ years of security experience is expected. #J-18808-Ljbffr ...

Insurance is seeking a Senior Application Security Engineer to empower engineering teams to securely adopt AI and embed robust security controls across services and workflows. You will design cloud-native guardrails, automate security, and mentor across product groups to scale securely. You will work across … development lifecycle to protect AI integrations and everyday tools, building a proactive, risk-conscious security culture within a fast-growing insurance technology environment. #J-18808-Ljbffr ...