Showing 12 of 939 vacancies
VU
Cyber Threat Researcher - Phishing & Malware Analyst
VulnU • cheltenham • 19 Oct 2026
Competitive

KnowBe4 in York, UK seeks a Cybersecurity Threat Researcher for the Threat Research Lab. You will deploy and configure security products including endpoint, email, web and network protection, and...

Permanent Hybrid
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
NA
Principal Vulnerability Researcher
National Physical Laboratory • United Kingdom • 19 Oct 2026
Competitive

About the Role Principal Vulnerability Researcher Office-based | Oxfordshire - If relocating is required for this role, NPL may be able to provide relocation support, subject to location and...

Permanent Hybrid
SA
Cyber Assurance Consultant (DV Cleared)
Sanderson Government and Defence • United Kingdom • 19 Oct 2026
Competitive

Cyber Security GRC Consultant (DV Cleared) Location: Remote / Hybrid - on-site presence as required Contract Type: Permanent & Full-time Salary: Competitive + Benefits About the Role As a Cyber...

Permanent Remote DV Cleared
CR
Lead Blockchain Security Architect: Crypto Threat Hunter
Crypto Pro Network • United Kingdom • 19 Oct 2026
Competitive

JPMorgan Chase & Co in London is seeking a Principal Cybersecurity Architect - Blockchain to lead security for distributed ledger technologies and application-layer protocols. You will identify...

Permanent Hybrid Featured
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
AI
Cyber Security Engineer - Cyber & Autonomous Systems Team
AI Security Institute • london • 19 Oct 2026
Competitive

About the AI Security Institute The AI Security Institute is the world's largest and best-funded team dedicated to understanding advanced AI risks and translating that knowledge into action. We’re...

Permanent Remote
FS
Competitive

FSP is a leading consultancy specialising in Digital, Security and AI solutions. We are seeking a Senior Penetration Tester to join our Cyber Security practice in the United Kingdom. You will...

Permanent Hybrid Featured
CL
Vulnerability Management Engineer
CloudFlare • london • 19 Oct 2026
Competitive

At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for...

Permanent Hybrid
CI
Penetration Tester
Citation Cyber • south shields • 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
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