Lead Penetration Tester

We are partnering with a global Software, Systems & Engineering organisation within the Defence sector to appoint an experienced Lead Penetration Tester. You will join a specialist security testing team delivering both CHECK and non-CHECK engagements for a range of high-profile customers.

This role will see you operating in a leadership capacity, acting as an Infrastructure CHECK Team Leader, while remaining hands-on across a varied and technically challenging workload.

Salary: £75,000 – £85,000 per annum + benefits
Location: Malvern or Bristol (Hybrid – 4 days onsite, 1 day WFH)
Working Hours: 37 hours per week
Contract Length: 12 months
Security Clearance: Sole UK nationals only; must be eligible for SC clearance (dual nationals cannot be considered)

Key Responsibilities

• Deliver CHECK and non-CHECK penetration testing across customer environments

• Travel to client sites to conduct security testing engagements

• Research and develop new attack techniques to enhance the organisation’s testing capability

• Lead, mentor, and develop junior team members, promoting collaboration and integrity

• Identify vulnerabilities, propose mitigations, and produce high-quality customer reports, including formal sign-off

• Support scoping, estimating, and bidding activities for customer engagements as required

Essential Experience

• Proven ability to document, review, and formally sign off penetration testing reports

• Strong technical knowledge of Active Directory, infrastructure, cloud security, and common operating systems

• Previous experience delivering security testing services as a qualified CREST or Cyber Scheme tester

• Current NCSC CHECK Team Leader (Infrastructure) status (CCT-INF or CSTL-INF)

• Solid understanding of relevant laws and legal frameworks governing security testing

Essential Qualifications

• CCT-INF or CSTL-INF

Benefits

• Matched pension contribution scheme with life assurance

• Generous holiday allowance, with the option to purchase additional leave

• Optional Health Cash Plan, Private Medical Insurance, and Dental Insurance

• Employee discount portal covering personal accident insurance, travel insurance, restaurants, cinema tickets, and more

• Proud supporter of the Armed Forces Covenant, holding Gold Award status in the Defence Employer Recognition Scheme

• Volunteering opportunities supporting local communities and charitable initiatives

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