Showing 12 of 181 vacancies
QU
Senior Offensive Security Engineer
Quorum Cyber • city of edinburgh • 19 Oct 2026
Competitive

At Quorum Cyber, we're on a mission to help good people win. Founded in Edinburgh in 2016, we're one of the fastest growing cyber security companies in the UK and North America, serving over 400...

Permanent Hybrid Featured
NC
Competitive

NCC Group in Cheltenham is expanding its National Security Business Unit and seeks Network Security Researchers to work on challenging cyber security projects for a diverse range of clients. You’ll...

Permanent Hybrid Featured
ME
Remote AI Security Analyst: Threat Evaluation Expert
mercor • United Kingdom • 19 Oct 2026
Competitive

Mercor is seeking a Cybersecurity Expert for a remote, contract-based role that pays per completed task. You will review AI-generated outputs related to threat analysis, develop realistic...

Contract Remote
IB
SOC Analyst
IBM SiXworks • farnborough • 19 Oct 2026
Competitive

Work on Technology That Protects What Matters At SiXworks , we build secure digital solutions that support Defence and National Security missions . Our teams work on complex problems where...

Permanent Hybrid
BA
Security Testing Consultant (Penetration Tester) Hybrid
BAE Systems • frimley • 19 Oct 2026
Competitive

Location(s): UK, Europe & Africa : UK : Frimley || UK, Europe & Africa : UK : Gloucester || UK, Europe & Africa : UK : Guildford || UK, Europe & Africa : UK : Leeds || UK, Europe & Africa : UK :...

Permanent Remote
AP
Vulnerability Response Engineer
Apple Inc. • london • 19 Oct 2026
Competitive

Selection changes the language of the page/content Vulnerability Response Engineer London, England, United Kingdom Software and Services Apple is seeking an exceptional Information Security...

Permanent Hybrid
CI
Penetration Tester
Citation Cyber • woking • 19 Oct 2026
Competitive

Security Consultant (Penetration Testing) Location: Hybrid (UK) Salary: Competitive + Benefits Security Clearance: Current SC preferred About Citation Cyber Citation Cyber is one of the UK's...

Permanent Hybrid
BA
Senior Cyber Threat Intelligence Analyst
Babcock International Group • portsmouth • 19 Oct 2026
Competitive

Job Title: Senior Cyber Threat Intelligence Analyst Location: Any of our main UK locations + Hybrid Working Arrangements Compensation: Competitive + Benefits Role Type: Full time / Permanent Role...

Full Time Hybrid Featured
CI
Penetration Tester
Citation Cyber • watford • 19 Oct 2026
Competitive

Security Consultant (Penetration Testing) Location: Hybrid (UK) Salary: Competitive + Benefits Security Clearance: Current SC preferred About Citation Cyber Citation Cyber is one of the UK's...

Permanent Hybrid
AN
Staff Software Security Engineer
anthropic • london • 19 Oct 2026
£255,000 - £325,000

About the company the company’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a...

Permanent Hybrid
AD
Senior Application Security Engineer / DevSecOps Engineer
Additional Resources Ltd. • london • 19 Oct 2026
£80,000

Do you have a background in Application Security, DevSecOps or Product Security, with hands-on experience embedding application security into the SDLC? If so, this could be an opportunity worth...

Full Time Remote Featured
HA
Senior Software Security Engineer
Harmonic Security • london • 19 Oct 2026
£98,000 - £115,000

AI is being run everywhere, by humans and agents. Harmonic Security governs all of it. The AI Governance and Control (AIGC) platform understands user / agent intent and data context in real time,...

Permanent Hybrid Featured