176 to 200 of 303 Senior Security Engineer Jobs

Senior Infrastructure & Security Engineer (Contract)

Location
Cardiff, Wales, United Kingdom
Matchtech Group is seeking a Senior Infrastructure Engineer for a contract with a public sector organisation in Cardiff. The role focuses on delivering and maintaining secure, resilient infrastructure and platform services that support critical operations, with emphasis on security by design and compliance. You will build, administer … harden infrastructure, manage identity and access, monitoring and incident response, and drive automation to improve availability and security across services. #J-18808-Ljbffr ...

Senior Cisco Network Security Engineer - High Availability

Location
City Of London, England, United Kingdom
Gujral is seeking a Senior Network Engineer with a strong security background focused on Cisco implementations in the City of London. The role combines BAU support with design of scalable, secure networking solutions across data centre and branch environments. The candidate will diagnose issues, remediate BAU events ...

Senior Security Engineer: Network & Incident Response

Location
Redhill, England, United Kingdom
NSSLGlobal Group is looking for a Cybersecurity Expert to develop and manage security plans for both internal and customer networks. You will lead in resolving security incidents and improving cybersecurity standards. The ideal candidate will have 5+ years of hands-on experience designing secure networks, proficiency in Cisco ...

Senior Network & Security Engineer - Hybrid (Police IT)

Location
Chelmsford, England, United Kingdom
Kent Police IT Services is seeking a Senior Network Engineer to join the Network Services Team. The role supports policing networks across two counties with a focus on security and voice; it is a home-based position with occasional site visits to Kent and Essex sites. … role requires proven network engineering experience, security expertise, and comfort with 3rd line support. The job offers a permanent contract, 37 hours per week, with occasional on-call duties. #J-18808-Ljbffr ...

Senior AI Security Engineer—End-to-End, Remote-First

Location
Oxford, England, United Kingdom
Sophos is seeking a Senior Software Engineer to own end-to-end product development for AI security initiatives. You’ll build AI-powered products across the stack—frontend, backend, and APIs—driving architecture decisions with high autonomy and strong engineering judgment. You’ll define problems without waiting ...

Senior Security & Compliance Engineer (ISO 27001 / SOC 2)

Location
Greater London, England, United Kingdom
Volta is seeking a Senior Manager, Cyber Security Engineering to lead the ISO 27001 and SOC 2 Type II program across a fast-growing, security‐minded infrastructure platform. You will own controls, evidence, and ISMS documentation while collaborating with platform engineers and external auditors. You’ll drive … audit readiness, oversee risk assessments, and coordinate responses to customer security questionnaires and regulatory inquiries, shaping Volta’s security posture at scale. #J-18808-Ljbffr ...

Senior DevSecOps Engineer for Cloud-Native Trading Security

Location
Greater London, England, United Kingdom
Smarkets is seeking a hands-on Security Engineer to lead the founding security build for our cloud-native trading environment. You will stand up security engineering from the ground up through go-live and scale, partnering with Infrastructure and Engineering to deploy controls, automation, and guardrails … that keep our trading systems secure and compliant. You will design and implement security guardrails across cloud platforms, automate processes as code, and work with auditors/regulators to #J-18808-Ljbffr ...

Senior Network & Security Engineer – Hybrid, 1-Year Contract

Location
Greater London, England, United Kingdom
Retail Company in London/Amsterdam (Hybrid) is seeking a Senior Network & Security Specialist for a 1-year fixed term contract. You will manage and scale the EMEA network across offices, stores, warehouses and showrooms, deploying Cisco Meraki and other cloud-managed equipment. The role requires 5+ years ...

Senior Security Automation & SOAR Engineer

Location
Greater London, England, United Kingdom
fusing threat intelligence, monitoring, detection engineering, and response into one proactive, intelligence-led defense capability that breaks down silos to reduce risk and strengthen security across the enterprise. The team prioritizes collaboration, continuous learning, and innovation, with shared ownership of outcomes and a supportive learning mindset during high-pressure … hands‐on, build-driven environment with strong team collaboration, rapid learning through real use cases, and clear opportunities to mature automation across the security program. Responsibilities and Impact: Architect and develop SOAR playbooks and automated workflows to streamline incident triage, containment, and remediation processes, directly improving SOC efficiency ...

Senior Security Sales Engineer

Location
City of Edinburgh, Scotland, United Kingdom
team that’s got your back, you’ll besurrounded by people who believe in what they do and in you. Our endpoint security is powered by SentinelOne and built for the way MSPs work: multi-tenant, integrated into N-central and N-sight RMM, and available standalone for partners … different RMM. AI security sits next to it, and it means two things here: the AI-assisted detection and analysis now built into the products, and the newer problem of finding and controlling how AI is being used across a partner’s client estates. Expect ...

Senior AI Security Automation Engineer

Location
Greater London, England, United Kingdom
Amazon Security Automation team seeks a skilled Software Development Engineer II to build autonomous security solutions that protect Amazon’s customers, leveraging AI/ML to automate detection, analysis and response at scale. As an SDE II you will design and develop AI-driven security automation … systems, collaborate with security teams, and contribute to secure, scalable infrastructure spanning AWS services. #J-18808-Ljbffr ...

Senior Embedded Security Engineer for Pixel Devices

Location
City of Westminster, England, United Kingdom
Google LLC is seeking a Senior Embedded Software Engineer for Pixel Phone Security. You will work on next‐gen security designs and hardened embedded components across Pixel devices, contributing to robust firmware and drivers. The role emphasizes secure software practices, CI improvements, and practical security mitigations. ...

Senior C++ Engineer - Chromium Security & AI Platform

Location
Bracknell, England, United Kingdom
Menlo Security is seeking a Senior Software Engineer to join our Chromium engineering team in Bracknell. You will contribute strong C++ skills across browser layers, work on MCP servers and AI agent integration, and collaborate with cloud infrastructure tooling in AWS, GCP, Kubernetes, and Terraform. You will … apply networking fundamentals and HTTP security to harden browser isolation and scale a high-performance platform, partnering with cross-functional teams to ship end-to-end capabilities and #J-18808-Ljbffr ...

Senior Cloud Security Solutions Engineer

Location
United Kingdom
Cacheflow seeks a Senior Solutions Engineer to support strategic accounts, driving cloud security initiatives with impactful customer interactions. You will leverage your pre-sales engineering experience and technical sales expertise to guide customers in AWS, Azure, and GCP environments while delivering world-class demonstrations. Join our innovative ...

Senior Chromium Engineer: AI-Driven Browser Security

Location
United Kingdom
Menlo Security in the United Kingdom is seeking a Senior Software Engineer to join our Chromium engineering team. You will leverage robust C++ skills across the browser stack and work on MCP servers and AI-driven features within a security-focused platform. You'll collaborate with … product, security, and AI teams, deploy cloud infrastructure (AWS/GCP) with Kubernetes and Terraform, and apply AI-assisted development tools to move quickly without sacrificing quality. #J-18808-Ljbffr ...

Senior Network Security Engineer

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 System Software Engineer, Tegra Security Software

Location
West of England, England, United Kingdom
NVIDIA, we invite a hard-working Senior System Software Engineer, Automotive Cybersecurity, to join the HPSE Interface team in the United Kingdom. This is a remarkable opportunity to aid the creation and upkeep of software that delivers security services for NVIDIA's automotive platforms. You will examine … sophisticated, low-level software and gain hands-on knowledge of how PKCS#11 functions within the DRIVE OS security architecture alongside hardware and software components. As you expand your system-level expertise, you will collaborate with global engineering teams to translate requirements into durable solutions for our customers. Engage throughout ...

Senior Security Engineer Iam (m/f/d)

Hiring Organisation
AND-E
Location
Ismaning, Bayern, Germany
Employment Type
Permanent
Salary
EUR Annual
At AND-E, we're redefining the future of mobility insurance. As part of the global MS&AD Group and in close partnership with Toyota, we aim to make tomorrow's journeys simpler, safer, and ...

Tetragon Senior Linux Security Engineer

Location
Greater London, England, United Kingdom
About this role: Cilium Tetragon is a flexible, Kubernetes-aware security tool, with real-time observability and enforcement. Leveraging the power of eBPF, Tetragon offers a low-overhead, in kernel solution that enhances security posture by monitoring system behaviors such as process executions, system call activities, and both … network and file access events. What you’ll do: Develop and maintain Tetragon runtime security policies to ensure customers have good visibility of suspicious activity on their infrastructure and are protected against the latest emerging threats. Help design frameworks and architectures that allow customers to easily consume policies ...

Senior AWS Platform Engineer - Security & Automation

Location
Manchester, England, United Kingdom
Walt Disney Company Limited in Manchester is seeking a Senior Software Engineer for the Cloud Account Management team to design, build and support automation and tooling that enable secure, self-service AWS usage. You will mentor developers and partner with security and operations to implement ...

Senior DevSecOps & Platform Security Engineer

Location
Greater London, England, United Kingdom
Hiya seeks a DevSecOps Engineer to lead security maturation across engineering. You will design platform-based security tools and enable secure software delivery with velocity, partnering with Core Tech, Product, and leadership. You’ll balance high-level strategy with hands-on execution, promoting a platform mindset ...

Senior Offensive Security Engineer

Location
Greater London, England, United Kingdom
London Stock Exchange Group is seeking a Senior Associate for Offensive Security Operations to manage vulnerability discovery, testing and remediation across the organization. You will coordinate with third-party vendors, regulators and BISOs to ensure testing programs run efficiently and effectively across TLTP, red teaming, bug bounty … external attack surface management. You will stay ahead of cyber security thought leadership, provide root-cause analysis, and help scale risk management. #J-18808-Ljbffr ...

Senior Cloud Security Engineer - CSPM, CNAPP & Compliance

Location
Greater London, England, United Kingdom
Depository Trust & Clearing Corporation (DTCC) is hiring for a Cloud Security Operations Specialist within the IT Cybersecurity & Platform Strategy group. You will support cloud security across AWS, Azure, and GCP, monitor controls, assist with remediation, and help maintain secure, compliant cloud environments. You will implement security baselines ...

Senior Product Security PSIRT Engineer

Location
Farnborough, England, United Kingdom
Lenovo in Farnborough, United Kingdom seeks an experienced Product Security Advisory Engineer within the Enterprise Product Security Incident Response Team (E-PSIRT) to coordinate vulnerability management across Lenovo’s global product portfolio. You will lead cross-functional teams, manage security advisories, and support CRA compliance, vulnerability ...

Hybrid Senior QA Engineer for Cloud Security Platform

Location
Belfast City District, Northern Ireland, United Kingdom
Upwind Security, Inc. in Belfast (Northern Ireland) is seeking an experienced Senior QA Engineer to drive testing across multiple engineering teams. This hands-on role writes test code weekly, builds and maintains test frameworks, and sets the standard for how teams test their work, spanning backend services ...