101 to 125 of 322 Senior Security Engineer Jobs in the UK

Senior Azure Security Engineer — Remote/Hybrid Cloud Defender

Location
City Of London, England, United Kingdom
Harvey Nash Group is seeking a Senior Azure Security Engineer to join their cyber security team on a contract basis in London with remote/hybrid options. The role focuses on strengthening security across Azure, identity, endpoint and monitoring platforms within a complex enterprise environment. … candidate should have hands-on Azure security experience, Defender XDR, and security automation skills, with a track record in cloud security architecture and incident investigations. #J-18808-Ljbffr ...

Senior Security Engineer: Observability, Automation & Risk

Location
City Of London, England, United Kingdom
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 Azure Security Engineer – Hybrid (London)

Location
Greater London, England, United Kingdom
InfraView is seeking a Senior Azure Security Engineer to lead security design and implementation across Azure environments. You’ll work with Security Operations, Cloud Engineering and Architecture teams to strengthen controls and threat detection in a complex hybrid enterprise. The role requires hands-on Azure … security expertise, experience with Sentinel and Defender XDR, and the ability to automate security processes using PowerShell, Python and Logic Apps. #J-18808-Ljbffr ...

Senior Cyber Security Engineer - Systems Integrator

Location
Greater London, England, United Kingdom
looking for an exciting new opportunity? Join an independent AI and data security partner helping private equity firms and their portfolio companies uncover hidden savings, validate protection, and maximise ROI from their existing security investments. The organization is currently on the lookout for a Senior Cyber Security Engineer to join a growing security function, stepping into a role with real ownership from day one. The ideal candidate will bring deep, practical experience across SASE/SSE, vulnerability management, and EDR, working independently across a modern security stack including Zscaler/Netskope, Microsoft Purview ...

Senior Offensive Security Engineer

Location
City Of London, England, United Kingdom
place of high expectations, integrity, innovation and a willingness to challenge consensus. About the Role DRW is building out its offensive security capability, and we’re looking for a Senior Offensive Security Engineer to lead the charge. In this role, you’ll plan and execute … cloud platforms, acting as a trusted adversary who helps us find and fix weaknesses before anyone else does. You’ll work closely with our security, infrastructure, and trading teams to translate what you find into real improvements, and you’ll help shape the methodology, tooling, and roadmap for offensive ...

Senior GCP Security Engineer - Cloud Defender

Location
City Of London, England, United Kingdom
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 ...

Senior Security Systems Engineer: Projects Interface Lead

Location
Greater London, England, United Kingdom
Carrington West is seeking a Senior Security Systems Engineer or Security Consultant to manage formal interfaces across major rail projects, including HS2, with hybrid working in Birmingham or London. The role focuses on integrating Access Control, CCTV, and Intruder Detection Systems within structured project processes, coordinating ...

Senior Offensive Security Engineer - Red Team Leader

Location
Greater London, England, United Kingdom
building out its offensive security capability and seeks a Senior Offensive Security Engineer to lead red team engagements, pen tests, and adversary simulations across trading systems and cloud environments. You will shape methodology, tooling, and the offensive security roadmap while partnering with security, infrastructure … trading teams to implement improvements. You will also mentor engineers, stay current on threat landscapes and AI/LLM security risks, and translate findings into #J-18808-Ljbffr ...

Senior Product Security Engineer - Drive Secure by Design

Location
Greater London, England, United Kingdom
Trainline plc is seeking a Senior Product Security Engineer to own product security across the development lifecycle, collaborating with SRE and Platform Engineering to embed security into every build. You will own the application security roadmap, manage vulnerability processes, conduct threat modelling ...

Senior Cloud Security Engineer: SIEM, Threat Hunting & IR

Location
Greater London, England, United Kingdom
Zempler Bank is seeking a Senior Information Security Engineer to join our Technology & Security Operations team in the UK. This hands-on role focuses on designing, building and improving security controls, tooling and processes protecting cloud, application, Microsoft 365 and infrastructure environments. You’ll collaborate … with engineering, threat detection and incident response to strengthen our security posture. #J-18808-Ljbffr ...

Senior Security and Fire Systems Service Engineer

Hiring Organisation
Ranger Services Holdings Limited
Location
Orpington, London, United Kingdom
Employment Type
Permanent
Salary
£45,000
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 ...

Senior Security and Fire Systems Service Engineer

Location
Bromley, South East London, United Kingdom
Senior Security and Fire Systems Service Engineer Full-time, Monday to Friday 08:00 17:00 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 ...

Senior App Security Engineer — AI & Cloud Safety (Remote)

Location
United Kingdom
leading Global Employment Platform offering remote-first teams and flexible work arrangements. We seek a Senior Application Security engineer to bolster our security program across web platforms and AI workflows, evaluating technologies with enterprise tools and coordinating remediation with engineering teams. You will drive threat modeling … vulnerability triage, and security assessments while developing automation scripts to improve incident detection and security operations. #J-18808-Ljbffr ...

Senior Network Security Engineer: Design, SD-WAN & SIEM

Location
Lancashire, England, United Kingdom
Hamilton Barnes Associates Limited is seeking an experienced Senior Network Security Engineer to join its growing networking and security team. The role blends network security design, implementation, project delivery, and technical ownership, rather than focusing purely on BAU support. You will work on FortiGate firewalls …/SASE, VPN technologies, SIEM/SOAR and XDR environments, and security audits across complex environments, delivering secure, resilient infrastructure for public sector #J-18808-Ljbffr ...

Senior Security Engineer — Product & Infrastructure Defense

Location
Greater London, England, United Kingdom
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 ...

Senior Security Engineer: Identity, Access & Automation

Location
City Of London, England, United Kingdom
London is seeking a Lead Security Engineer to shape and deliver security across networks, devices, identity and access. This senior individual-contributor role requires practical, hands-on delivery and strong technical judgement to translate risks into effective controls. You'll design identity and access controls, automate … security policies, and guide architecture across cloud, on-prem and AI-enabled environments while collaborating with technology teams in a low-ego, open culture in #J-18808-Ljbffr ...

Senior Container Security Engineer - Python & DevSecOps

Location
Belfast City District, Northern Ireland, United Kingdom
Citi is seeking a highly motivated Container Security Engineer to join the Container Security team in our technology division. You will engineer automated security solutions that secure and harden internal platforms while reducing friction for developers in their daily lifecycle. You’ll improve the container ...

Senior Security and Fire Systems Service Engineer

Hiring Organisation
Ranger Services Holdings Limited
Location
Orpington, Kent, United Kingdom
Employment Type
Permanent
Salary
GBP 46,000 Annual
Senior Security and Fire Systems Service Engineer Full-time, Monday to Friday - 08:00-17:00 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 click apply ...

Senior Product Security Engineer

Location
Cambridge, England, United Kingdom
Description: Are you passionate about building secure systems from the ground up? We're looking for an experienced and motivated Product Security Engineer to help shape the security posture of our SoC and embedded firmware solutions! In this role, you’ll evaluate system security architectures, dive … contribute to ROM assessments, and perform hands‐on threat modeling and lightweight testing. This is a fantastic opportunity for someone who loves solving complex security challenges, enjoys collaborating with brilliant minds across domains, and wants to make a meaningful impact in real‐world products. If you care about getting ...

Senior Network Security Engineer - Cloud ZeroTrust Expert

Location
Greater London, England, United Kingdom
Limited is seeking a Senior Network Security Engineer to design, implement and govern enterprise-scale security across networks, data, and cloud environments. You will monitor threats, investigate incidents, and drive improvements in security posture with advanced tooling and automation. Role requires hands-on expertise with ...

Senior Network Security Engineer — Zero-Trust & Cloud Proxy

Location
United Kingdom
Hamilton Barnes Associates Limited is seeking a Senior Network Security Engineer in the United Kingdom to design and manage enterprise web security, including Zscaler ZIA/ZPA and Blue Coat ProxySG. The role focuses on SSL inspection, zero-trust access, and in-browser Island security integration. You will lead policy engineering, incident response, and platform migration from legacy proxies to cloud-delivered security solutions in a regulated financial services environment. #J-18808-Ljbffr ...

Senior Security Engineer - IAM, Cloud & ISO 27001 Leader

Location
Greater London, England, United Kingdom
Encord, a universal data layer for AI, is seeking a Lead Security Engineer to own and mature the security program across people, identities, devices, and cloud tools. You will be hands-on and also guide the security curriculum for the whole company. You will protect leadership … compliance, and collaborate with DevOps to secure a GCP-based environment. If you thrive in fast-moving startups with a strong security impact, this role is for you. #J-18808-Ljbffr ...

Senior Security Engineer - Platform & Shared Services (Remote)

Location
United Kingdom
Anaconda's Security team protects our platform serving millions of users and enabling an AI-native development model. As a Sr. Security Engineer, you will design secure-by-default systems spanning firewalls, IAM, endpoint detection, secrets management, and CI/CD security across hybrid and multi … automation with Python/Go/Bash, use Terraform for IaC, triage vulnerabilities, review code, and partner with Legal/Platform teams to balance security with velocity. #J-18808-Ljbffr ...

Senior AI Security Innovation Engineer

Location
Digswell, England, United Kingdom
Tesco Stores Limited is seeking a Senior Security Engineer for its Innovation Engineering team to design, build and operationalise AI-powered cyber defence capabilities. You will lead on security architecture, apply AI, and drive secure, scalable solutions across Tesco’s retail ecosystem. You will work with … Security Automation Engineering to plan a roadmap, deliver production-grade capabilities, and influence across security and technology teams with a customer-first mindset. #J-18808-Ljbffr ...

Senior AI Security Engineer: Threat Modelling & Guardrails

Location
Greater London, England, United Kingdom
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 ...