Senior Penetration Tester - AI-Enabled Vulnerability

Senior Penetration Tester (AI-Enabled Vulnerability Research) | London Hybrid | £600 per day PAYE + 12.07% Holiday PayWe''re supporting a leading global financial services organisation seeking an experienced Senior Penetration Tester to join a high-profile cyber security initiative focused on AI-enabled vulnerability discovery, offensive security testing and application security assessment. This role combines traditional penetration testing expertise with the use of frontier AI models and advanced security tooling to identify genuine exploitable vulnerabilities across critical applications and Internet-facing platforms. The successful candidate will play a key role in validating security findings, reducing false positives and improving remediation outcomes.Contract Details:£600 per day PAYE + 12.07% Holiday PayLondon Hybrid (2-3 days per week)ASAP Start c. 1st week of AugustInitial 6 month contract with potential extensionKey Experience Required:Strong Penetration Testing and Offensive Security experienceVulnerability Research and Security Assessment experienceWeb Application and API Security TestingSource Code Review and Secure Code AnalysisExperience validating genuine exploitability and attack pathsKnowledge of AI/LLM technologies and AI-assisted security testingExperience using AI tooling to support vulnerability discovery or code analysisCloud Security knowledge (Azure, AWS or GCP)Strong stakeholder engagement and communication skillsAbility to produce clear technical ..... full job details .....