176 to 200 of 355 Senior Security Engineer Jobs in the UK

Senior AWS Cloud Security Engineer – Platform Leader

Location
Swindon, England, United Kingdom
Supply & Trading GmbH in the UK is seeking an experienced AWS Cloud Security Engineer to secure, evolve and operate the AWS platform used by RWEST teams to run business-critical applications. You will embed security into cloud foundations and shared services, collaborating across platform engineers, application teams … security specialists to implement robust security controls from the start. You will design and monitor IAM, security monitoring, and threat modelling, ensuring secure #J-18808-Ljbffr ...

Senior Embedded Security Engineer (SoC & Firmware)

Location
Cambridge, England, United Kingdom
leading technology company in Cambridge is seeking a Product Security Engineer to enhance the security posture of their SoC and embedded firmware solutions. This role involves reviewing firmware code, evaluating system architectures, and collaborating with cross-functional teams to implement security measures. Ideal candidates possess strong ...

Senior Security Engineer, Detection and Response

Hiring Organisation
Roblox
Location
London, UK
Employment Type
Full-time
interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As a founding member of the Security Operations team in EMEA, you will join us at an exciting time in Roblox's SIRT & SOC program. You will design and build … detections, automation and tooling that let a lean team monitor and protect players, developers, employees and the platform at global scale and serve as security incident commander in the region. This is a highly autonomous role where you will be a primary decision-maker, core to our mission ...

Senior Full Stack Engineer, Agentic Security

Location
Greater London, England, United Kingdom
Senior Full Stack Engineer, Agentic Security About Dynamo AI Dynamo AI is building the future of trustworthy AI for the enterprise. Our platform provides real-time guardrails, red-teaming, and observability for generative and agentic AI systems-ensuring safe, compliant, and reliable deployments across regulated sectors such … well recognized and well funded (>$30M raised), with offices in NYC, SF, Bangalore, and a European office planned to open soon. The Agentic Security Team builds the product and infrastructure behind Agent Warden - a security layer for agentic systems that detects risk patterns, enforces guardrails, and gives teams ...

Senior Security Infra Engineer: Telemetry & Elastic Stack

Location
United Kingdom
Search AI Company is seeking a Senior Information Security Infrastructure Engineer to join the InfoSec - Security Architecture team. You will own the telemetry ingestion pipeline from data source landing to indices, ensuring healthy clusters and secure data workflows across cloud and Kubernetes environments. You will leverage … Terraform, Helm, and AI-assisted tooling to automate operations, monitor data quality, and manage costs while collaborating with a skilled security team to strengthen #J-18808-Ljbffr ...

Senior Network Security Engineer On site

Location
City Of London, England, United Kingdom
Reports to: Head of NOC Job purpose: Working as part of a team of experienced Network Security Engineers, including our 24x7 NOC this role will provide dedicated support for the customer. The role, alongside side another Network Security Engineer will, on a day to day basis report … support highly secure, complex network environments for our financial services customer, a global bank with offices in Central London. Key interfaces: Internal network and security teams within the Customer, ITC NOC Manager, Service Manager/Account Management, Network Security Engineers (both within the Customer ...

Senior InfoSec Infra Engineer, Security Architecture

Location
United Kingdom
Elasticsearch B.V. seeks a Senior Information Security Infrastructure Engineer to join the InfoSec - Security Architecture team. You will own the end-to-end pipeline for security telemetry, ensuring Elasticsearch clusters remain healthy, from new data source landing to detection and operations. You will work with ...

Senior Application Security Engineer (Remote UK)

Location
Greater London, England, United Kingdom
Samsara is seeking a Staff Application Security Engineer to drive the overarching direction for application security and vulnerability management. This high-visibility role will influence a broad surface area while allowing deep dives into critical priorities as security needs evolve. This remote position, open to candidates ...

Senior AppSec Engineer: Pen-Testing & AI Security

Location
Greater London, England, United Kingdom
Brex is seeking a Senior Application Security Engineer to identify and remediate vulnerabilities across the Brex platform. You will perform code reviews, penetration testing, and tooling development to support secure developer workflows. You will collaborate across Security Operations, GRC, Product Security, Front End Platform … Infrastructure, applying threat modeling, SAST/DAST, and agentic AI security to protect a global financial service used by top customers. #J-18808-Ljbffr ...

Senior Cloud, Infra & Cyber Security Engineer

Location
Norwich, England, United Kingdom
VanWonen is seeking an experienced Senior Infrastructure, Cloud & Cyber Security Engineer to join our IT team in Norwich. This hands-on role designs, implements, secures and continually improves our Microsoft technology platforms and IT infrastructure, with 37.5 hours on site each week. You will drive cloud adoption … cyber security maturity and infrastructure modernisation programmes, working with the Head of IT to deliver automation, governance and resilient systems across the business. #J-18808-Ljbffr ...

Senior Cyber Security Engineer & Incident Leader

Location
City Of London, England, United Kingdom
Privalgo, a London-based FCA-authorised payments specialist, seeks a Cyber Security Engineer to safeguard digital assets and data. You will guide security practices, mentor engineers, and ensure compliance across the business. Responsibilities include designing secure architectures, implementing automated security testing, and leading incident response ...

Senior Fuzzing & Security Engineer — Coverage Leader

Location
Cambridge, England, United Kingdom
leading technology company in the UK seeks a Security Engineer – Fuzzing Specialist. The role involves owning a coverage-guided fuzzing program, improving security through proactive fuzz testing, and collaborating with product teams to resolve vulnerabilities. The ideal candidate will have experience in application security, proficiency ...

Senior Endpoint Security Research Engineer

Location
United Kingdom
Elastic is hiring a Senior Security Research Engineer to lead the development of endpoint protections across Windows, macOS, and Linux. You will research attacker techniques, implement production-grade C/C++ code, and extend telemetry to improve detection and prevention across millions of endpoints. You will collaborate … with a diverse team of researchers, data scientists, and engineers, mentoring others and contributing to Elastic Security Labs. #J-18808-Ljbffr ...

Senior Network Security Engineer — Hybrid, London

Location
Greater London, England, United Kingdom
Secure is seeking an experienced Network Security Engineer to join our 24x7 NOC in Central London. You will work alongside another engineer to monitor and support a highly secure, global bank’s network, coordinating with internal and customer teams and performing out-of-hours changes as needed. ...

Senior Network Security Engineer - Hybrid (London)

Location
City Of London, England, United Kingdom
Secure is seeking a Network Security Engineer to join our 24x7 NOC in a hybrid role based in Central London. You will configure devices, manage firewalls and security policies, and sustain highly secure networks for a major financial services client. Ideal candidates have L2/L3 support ...

Senior AI Security Engineer - Hybrid, Flexible Hours

Location
Greater London, England, United Kingdom
leading AI organization in Greater London is seeking a Security Engineer to safeguard AI systems. Your role will involve building security for large-scale AI clusters and creating secure development practices. Ideal candidates will have significant software engineering experience, a Bachelor's degree in a relevant field ...

Senior AI Security Engineer

Location
Greater London, England, United Kingdom
United States Digital Space LLC is seeking a Security Engineer to safeguard AI systems across multi-cloud and on-prem environments. You will implement IAM, network segmentation, and secure CI/CD pipelines, driving security by design across teams and platforms. You will mentor engineers, shape hiring ...

Senior Offensive Security Engineer: Lead Pen Tests & Cloud

Location
Greater London, England, United Kingdom
Klarna is seeking an experienced Offensive Security Engineer to perform penetration testing across internal and public-facing systems. You will triage Bug Bounty submissions, analyze variants, and assess third-party integrations within Klarna's AWS microservice stack. You will build tooling and provide hands-on guidance to developers … teams. You will bring strong coding insight for Java and Node.js, and you’ll participate in training and workshops to spread offensive security practices #J-18808-Ljbffr ...

Senior ICT & Security Engineer — Hybrid & Data Centre

Location
Greater London, England, United Kingdom
ENGINEERING DESIGN LIMITED is seeking a Senior ICT & Security Design Engineer to be based in London, Bicester or Newcastle. The role covers ICT infrastructure, network design and security installations for diverse projects. You will lead client-facing studies, oversee medium-sized projects and coordinate with engineers ...

Senior Lead Safety & Security Engineer - CCTV & IP

Location
Birmingham, England, United Kingdom
North Tech is seeking a Lead Safety & Security Engineer to own complex integrated security projects and provide leadership to field engineers. You will drive delivery across CCTV, Access Control, Intercom and related platforms, ensuring safe, compliant and high-quality outcomes. You will engage with customers ...

Senior Network Security Engineer - Hybrid (London)

Location
City Of London, England, United Kingdom
Secure in London is seeking an experienced Network Security Engineer to join our 24x7 NOC. You will support a globally operating bank, handling configurations, firewall policies, and high-priority incidents while coordinating with internal teams and the customer. Strong English communication and L2/L3 support experience ...

Senior Network Security Engineer — Hybrid (London)

Location
Greater London, England, United Kingdom
Secure in London is hiring a Network Security Engineer to join our 24x7 NOC team. You will monitor, configure, and support highly secure networks for a major financial client, reporting to the Customer and ITC NOC Manager. The role requires hands-on proficiency with Cisco/Fortinet devices ...

Senior Product Security Engineer

Location
Cambridge, England, United Kingdom
Description Arm’s Vulnerability Research and Tooling team is looking for a Senior Software Engineer to help build and scale Metis, our central security analysis platform. The team develops backend services and tooling that enable engineering teams to run security analysis centrally, with consistent operations, shared … visibility, and actionable security data across the company. In this role, you will focus on building out Software Composition analysis (SCA) capabilities and the backend systems that support them at scale. You will work on tool integration, results processing, and the services that make analysis outputs usable by engineering ...

Senior AI Security Engineer — Hybrid (London)

Location
Greater London, England, United Kingdom
Source Group International Ltd in London is seeking a Senior AI Security (SOC) Engineer to strengthen our Cyber Defence capability with automation and AI-enabled workflows. You will develop SOC orchestration, integrate tools, and push automation across the stack while ensuring governance in a regulated environment. ...

Senior / 3rd Line IT Engineer - Infrastructure & Cyber Security

Hiring Organisation
RecruitmentRevolution.com
Location
Colchester, Essex, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
built solid 3rd Line infrastructure experience. You know how to get to the bottom of complex technical problems, understand the importance of security and you're ready for more ownership. This could be that step. Join Bulk , one of Europe's leading active nutrition brands, and take ownership across … infrastructure and cyber security environment supporting our fast-moving digital business. You'll work across cloud, networks, endpoints and security, strengthen our email security, help lead our upcoming Cyber Essentials project and tackle the security challenges that come with our rapidly evolving use of AI. ...