Showing 12 of 29 vacancies
CO
Security Architect - Platform Engineering
Colt Technology Services Group Ltd. • London • 25 Oct 2026
Competitive

Select how often (in days) to receive an alert: Security Architect - Platform Engineering Job id: 36866 Job location: London, GB Barcelona, ES Colt provides network, voice and data centre services...

Permanent Remote Featured
AP
Vulnerability Response Engineer
Apple Inc. • London • 25 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
HA
Cyber Security Researcher
Hackajob Ltd • Gloucestershire • 25 Oct 2026
not provided

Our client is a cyber security company. Our client is looking for candidates with a STEM background, which may also include experience of research, cyber security or ethical hacking, to join our...

Permanent Hybrid
SE
Cyber Software Engineer - Security Cleared
Searchability NS&D • Gloucestershire • 25 Oct 2026
Competitive

Cyber Software Engineer - SC / DV / eDV Cleared New Permanent Opportunity for Cyber Software Engineers in Gloucester with Security Clearance to work on Mission-Critical, National Security projects...

Permanent Hybrid DV Cleared
HA
Vulnerability Researcher Internship
Hackajob Ltd • Gloucestershire • 25 Oct 2026
not provided

Our client is a cyber security company. 9th November 2026 , we reserve the right to close this advert early if we receive a high volume of suitable applications. Our client's mission is to deliver...

Permanent Hybrid
TE
Senior Security Engineer - Detection Engineering
Tesco • Hertfordshire • 25 Oct 2026
Competitive

As a Senior Security Engineer in Tesco's Detection Engineering team, you will lead the technical design of security-first infrastructure and deliver high-impact engineering outcomes that protect a...

Permanent Remote Featured
ME

Meta is seeking Security Engineers with Privacy and Data protection expertise to join our Applied Artificial Intelligence (AAI) organization. You will apply deep privacy engineering expertise to...

Permanent Hybrid
BA
Competitive

We tackle the most complex problems in quantitative finance, by bringing scientific clarity to financial complexity. From our London HQ we unite world class researchers and engineers in an...

Permanent Hybrid
BA
Lead Penetration Tester - Kubernetes & DevSecOps
Barlowe LLP • London • 25 Oct 2026
Competitive

G-Research is seeking a hands-on Penetration Tester to lead tests and vulnerability assessments across internal systems and security controls. Your work will strengthen our security posture through...

Permanent Hybrid Featured
RE
Security Engineer (AI Red Team)
Refractal Ltd • London • 25 Oct 2026
Competitive

About Refractal Refractal is an AI security company building the infrastructure organisations need to defend against autonomous AI threats. 2026 has shown that generally capable intelligence is...

Permanent Hybrid
SE
Competitive

Senior Penetration Tester - CHECK Team Lead (DV clearance required) DV Taunton - Hybrid but Heavy on Site Full-time permanent The opportunity An opportunity for a Senior Penetration Tester with...

Permanent Hybrid SC Cleared Featured
RE
Security Engineer (Detection & Response)
Refractal Ltd • London • 25 Oct 2026
Competitive

About Refractal Refractal is an AI security company building the infrastructure organisations need to defend against autonomous AI threats. 2026 has shown that generally capable intelligence is...

Permanent Hybrid