Penetration Tester

Crest-certified
2 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior
Compensation
£ 90K

Job location

Tech stack

Software System Penetration Testing
Computer Security
SC Clearance
OPUS (Software)
Vulnerability Analysis

Job description

  • Deliver CHECK-approved penetration testing across infrastructure, applications, cloud, and bespoke systems.
  • Conduct vulnerability assessments, exploitation, and technical security reviews in line with NCSC standards.
  • Produce clear, actionable reports and present findings to both technical and non-technical stakeholders.
  • Support scoping and planning of engagements, including complex or multi-phase assessments.
  • Contribute to internal tooling, methodology development, and knowledge sharing.
  • Stay current with emerging threats, vulnerabilities, and offensive security techniques.

Requirements

  • Active SC clearance.
  • Active CHECK status: CTM or CTL.
  • Strong experience delivering penetration testing across multiple domains.
  • Ability to communicate and consult with clients and key stakeholders and a technical and non technical level.

Benefits & conditions

  • Competitive salary and performance based incentives.
  • Clear progression pathways, including training budgets for advanced certifications and CHECK level development.
  • Opportunities to influence tooling, methodology, and service offerings as the consultancy scales.
  • A culture that values technical excellence, curiosity, and continuous learning.

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