Penetration Tester Work Across Internal Security, Compliance & Client Engagements A fast-growing security-focused business is looking for a Penetration Tester to join their expanding team. This is a hands-on, cross-functional role where you'll support internal security maturity, contribute to client-facing consultancy projects, and work directly with security operations to strengthen detection and response capabilities. The Role: Engage in purple team exercises alongside the SOC to simulate attack scenarios and improve detection Run internal vulnerability assessments and pen tests to support compliance and readiness for audits Deliver external penetration testing services — from scoping and testing to risk analysis and reporting What We're Looking For: Practical experience in penetration testing across networks, applications, and cloud environments Solid understanding of offensive tooling, tactics and frameworks such as MITRE ATT&CK Confident communicator, both written and verbal, especially in client-facing work Relevant certifications (CREST or similar) are a plus, but not essential This is a great opportunity to join a growing team where your work has real influence. You'll be involved in meaningful security initiatives across both internal and client environments — with room to develop, lead and shape how things are done. #CyberSecurity #PenetrationTesting #InfoSecJobs #PurpleTeam #SecurityCareers #CREST #Hiring. Location : London Area, United Kingdom