Penetration Tester

Company: Anson McCade
Apply for the Penetration Tester
Location: London
Job Description:

We’re looking for an experienced IT/OT Penetration Tester to join a growing cybersecurity consulting team, working on complex security assessments across a range of industries including defence, energy, utilities, manufacturing, transport and telecommunications.

The role

  • Deliver high-quality IT/OT penetration tests and security assessments.
  • Identify vulnerabilities, assess risk and provide practical remediation advice.
  • Produce clear technical reports and present findings to clients.
  • Work directly with clients and multidisciplinary technical teams.
  • Contribute to internal tooling, training and knowledge-sharing.
  • Work across varied technologies and environments, with opportunities to develop your technical specialism.
  • Experience in penetration testing, ideally with an IT/OT or Operational Technology focus.
  • CTM/CSTM, CTL/CSTL, OSCP, CREST/CyberScheme or equivalent recognised certifications.
  • SME expertise in areas such as OT, cloud, mobile, telecoms, defence or maritime.
  • Strong analytical and problem-solving skills.
  • Excellent communication and client-facing ability.
  • A willingness to contribute to team development, tooling and training.

Hybrid working: minimum 2 days per week in the office or on client site, depending on the engagement.

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Posted: September 24th, 2026