Showing 12 of 19 vacancies
GS
Senior Director, AI ML and Cloud Security
GSK • Ayrshire • 27 Oct 2026
Competitive

Senior Director, AI ML & Cloud Security Why Us! At GSK, we unite science, technology and talent to get ahead of disease together. We are a global biopharma company with a special purpose - to unite...

Permanent Hybrid Featured
AP
Vulnerability Response Engineer
Apple Inc. • London • 27 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
Security Engineer (Software) - Banking & Finance
Hamilton Barnes Associates Limited • London • 27 Oct 2026
Competitive

Ready to take the next step in your career? Join a leading algorithmic trading firm using state-of-the-art machine learning to produce price forecasts across more than 53,000 financial instruments...

Permanent Hybrid
RE
Security Engineer (AI Red Team)
Refractal Ltd • London • 27 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 for AI Threats
Refractal Ltd • London • 27 Oct 2026
Competitive

Refractal Ltd is seeking an experienced security product professional to join our team in London. You will bring hands-on detection and response expertise to shape our product, working alongside...

Permanent Hybrid
37
Senior Security Engineer - CIAM XDP
3761 Barclays - BX - UK • London • 27 Oct 2026
Competitive

Job Description Purpose of the role To develop, implement and maintain solutions that support the safeguarding of the banks systems and sensitive information. Accountabilities Provision of subject...

Permanent Hybrid Featured
BA
IAM Platform Engineer - Authentication, PAM & Federation
Barlowe LLP • London • 27 Oct 2026
Competitive

G-Research is seeking an experienced IAM Engineer to design, implement and operate enterprise authentication and identity federation services from our London HQ. You will work with PingFederate,...

Permanent Hybrid
BA
Penetration Tester
Barlowe LLP • London • 27 Oct 2026
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
CA
Security Engineer
Carbon3ai Limited. • Not Specified • 27 Oct 2026
Competitive

Era4 develops, owns and operates AI infrastructure across the UK, powered by renewable energy. Converting legacy industrial and energy sites into modern data-centre facilities, Era4 is combining...

Permanent Hybrid
GS
Security Analyst (T-ISAC)
GSMA LLC • London • 27 Oct 2026
Competitive

Department: Fraud and Security Team: T-ISAC Location: London with hybrid ways of working Position type: Permanent What the hiring manager says The GSMA is expanding the T-ISAC Team and looking for...

Permanent Remote
CI
Penetration Tester
Citation Cyber • Cheshire • 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