Showing 12 of 1,451 vacancies
AI
Frontier AI Security Engineer – Core Tech Team (Hybrid)
AI Security Institute (AISI) • london • 27 Oct 2026
Competitive

AI Security Institute in London seeks software, research, and security engineers to join our Core Technology Team, driving frontier AI security initiatives and contributing to infrastructure used...

Permanent Hybrid
CL
Vulnerability Defense Software Engineer - Threat Operations
Cloudflare • United Kingdom • 27 Oct 2026
Competitive

Cloudflare is seeking a Software Engineer for Cloudforce One, its threat operations and research team. You will build scalable applications that translate security requirements into actionable...

Permanent Hybrid
BT
AI-Driven Cyber Security Research Lead
BT Group • west of england • 27 Oct 2026
Competitive

BT Group is seeking a Research Technical Manager to apply AI-driven cyber security technologies and programmable network capabilities. You will work with a small research team to transform ideas...

Permanent Hybrid Featured
GE
Application Security Engineer
Genomics • oxford • 27 Oct 2026
Competitive

The Mission: Why We Exist Genomics is a science-led transatlantic TechBio combining large-scale genetic and health data with proprietary analytics to accelerate drug discovery and advance...

Permanent Hybrid
AL
Senior Threat Intelligence Researcher: CTI & Dark Web Lead
Alice (Formerly ActiveFence) • United Kingdom • 27 Oct 2026
Competitive

Alice is seeking a Senior Threat Intelligence Researcher to lead technical threat research and author detailed analytical reports for clients. You will proactively monitor evolving threats, work...

Permanent Hybrid Featured
SA
Cyber Software Engineer — AI, Cloud & Low-Level Systems
Sanderson Government and Defence • manchester • 27 Oct 2026
Competitive

Sanderson Government and Defence in the United Kingdom is seeking an experienced software engineer to contribute to the research, design, and development of critical systems supporting National...

Permanent Hybrid
ME
Competitive

Meta Security is looking for a threat intelligence investigator with extensive experience in investigating cyber threats with an intelligence-driven approach. You will be proactively responding to...

Permanent Hybrid
CI
Penetration Tester
Citation Cyber • milton keynes • 27 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
CI
Penetration Tester
Citation Cyber • basingstoke • 27 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
CO
Cyber Security Researcher — Cutting-Edge R&D & Impact
CoreTech Security • cheltenham • 27 Oct 2026
Competitive

CoreTech is looking for candidates with a STEM background, which may also include experience of research, cyber security or ethical hacking, to join our team. Our team is highly experienced, deeply...

Temporary Hybrid
LA
Cyber Security Manager
La Fosse • london • 27 Oct 2026
£85,000 - £95,000

This range is provided by La Fosse. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from La Fosse...

Full Time Hybrid
BA
Security Testing Consultant (Penetration Tester) Hybrid
BAE Systems • frimley • 27 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