Penetration Tester £up to £100,000 GBP Bonus Hybrid WORKING Location: United Kingdom (Greater London) Type: Permanent Role: Penetration Tester (Infrastructure Focus) Work Type & Location: Hybrid - London preferred (other UK locations considered) Role Type: Permanent Start Date: Immediate Anson McCade is proud to be supporting a global innovation and transformation consultancy in growing their elite Digital & Data team. We're seeking a Penetration Tester with a deep focus on infrastructure and Active Directory environments. This isn't your typical web app testing role-this is hands-on, internal infrastructure testing in high-stakes client environments (defence, critical infrastructure, national security). This is a high-trust, high-impact role for someone confident in navigating sensitive networks, with the ability to think independently, consult directly with clients, and deliver clear, actionable insights. As a Penetration Tester, you will: • Deliver internal infrastructure penetration tests, including Active Directory environments • Act as a trusted advisor to clients-this is a hands-on consulting-facing role • Document clear, concise technical reports for both technical and non-technical stakeholders • Operate independently in sensitive and sometimes live production environments • Contribute to tooling, methodology development, and internal process improvement • Demonstrate initiative in building and adapting testing approaches to client environments You'll bring: • 4 years' experience in infrastructure penetration testing • Deep understanding of AD-based attacks, lateral movement, privilege escalation • Comfort operating in production environments with limited runbooks or documentation • Strong Windows and Linux command-line skills • Ability to work with legacy systems and navigate environments with tech debt Desirable skills & qualifications: • Python scripting or coding skills (advantageous) • Exposure to OT networks and internal infrastructure tooling • Relevant certifications - CREST (CTM, CTL, CSTM), Cyber Scheme Practitioner, OSCP Work Environment & Expectations: • Join a tight-knit, high-performing team • Hybrid model: ~2 days per week in client or office locations, majority remote • Primary base in London preferred, though other UK locations are possible based on flexibility Security Clearance: • Must be SC clearable • Current SC clearance highly desirable Salary & Package: • £70,000 to £95,000 (DOE, Various levels available) • Package bonus, pension, and private healthcare If this sounds like your kind of challenge, reach out today. Not sure you're the perfect fit? We're hiring across the security space-send your CV to or call 44 (0)20 7780 6706 to discuss options. Reference: AMC-AQU-PT Postcode: SP1 adqu ADZN1_UKTJ