6 of 6 Offensive Security Jobs in Central London

Security Platform Engineer, Red Team, UK Security Operations

Hiring Organisation
Jobleads-UK
Location
City of Westminster, England, United Kingdom
Security Platform Engineer, Red Team, UK Security Operations X Must be a British citizen to meet compliance and security clearance requirements. Office location can either be a satellite site in Wiltshire, or London. This is an on-site position, requiring a standard five day per week schedule … office Bachelor's degree in Computer Science, Information Security, a related field, or equivalent practical experience. 5 years of experience in security engineering, offensive security (Red Team/Purple Team), or platform engineering roles. Experience with infrastructure-as-code and GitOps (e.g., Terraform, Helm, ArgoCD ...

Technical Vulnerability Management Engineer

Hiring Organisation
PCR Digital
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 450 Daily
Technical Vulnerability Management Engineer (Offensive Security/Penetration Testing) London (3 days onsite/2 days remote) Up-to 450 per day PAYE equivalent (Inside IR35) Initial 3 months with strong expectation of long-term extension To start ASAP About the role We're supporting … world's leading technology companies in hiring a contractor to join their Information Security Assurance team. This is an excellent opportunity for someone with a background in penetration testing or offensive security who enjoys understanding how vulnerabilities work and helping engineering teams reduce security risk ...

Technical Vulnerability Management Engineer

Hiring Organisation
PCR Digital
Location
City of London, London, Lime Street, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day Inside IR35
Technical Vulnerability Management Engineer (Offensive Security/Penetration Testing) London (3 days onsite/2 days remote) Up-to £450 per day PAYE equivalent (Inside IR35) Initial 3 months with strong expectation of long-term extension To start ASAP About the role We're supporting … world's leading technology companies in hiring a contractor to join their Information Security Assurance team. This is an excellent opportunity for someone with a background in penetration testing or offensive security who enjoys understanding how vulnerabilities work and helping engineering teams reduce security risk ...

Penetration Tester

Hiring Organisation
Big Red Recruitment
Location
City of London, London, United Kingdom
seeking a Penetration Tester to join a growing Offensive Security team within a specialist cyber security consultancy. This is an exciting opportunity to join at a time of significant investment and growth, helping to strengthen existing testing services while contributing to the development of new capabilities across … areas such as Red Teaming, Operational Technology (OT), Threat-Led Security Testing and emerging technologies. The successful candidate will play a key role in delivering penetration testing engagements, supporting process improvement initiatives, and helping to build a scalable and mature testing function. This position offers excellent opportunities for professional ...

Senior Security Researcher

Hiring Organisation
Searchability (UK) Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Senior Security Researcher Salary: £90,000 - £100,000 + attractive benefits Location: UK (Remote-first/occasional London meetings) Employment: Full Time, Permanent This is an opportunity to join a high-growth, PE-backed cybersecurity software company whose technology protects organisations against sophisticated file-based and zero-day threats. … Following significant investment and continued growth, the business is expanding its technical capability and strengthening its dedicated security research function. This senior appointment will take ownership of complex, open-ended investigations and turn original research into practical defensive capability. You will explore unfamiliar technologies, analyse malicious material, build proof ...

Director Frontier AI (Security)

Hiring Organisation
Hays Technology
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£900 - £1000/day 950
Working with a global financial services organisation who are looking for a highly specialised Frontier AI Security contractor to help deliver a high-profile project. Details Location - London Hybrid - 3 days/week in office Duration - Initially 6 months Rate - £900-£1000/day Inside IR35 via Umbrella Skills … Experience Required Very senior, hands-on technical specialist Deep security engineering; hands-on frontier LLM work (evals, agentic loops, failure modes); shipped production systems; product instinct; senior leadership. Core Competencies: Strong AI, cybersecurity , and software engineering experience. Experience with LLM s and frontier AI models rather than traditional machine ...