SC or NATO Cleared Penetration Tester

Company: iO Associates
Apply for the SC or NATO Cleared Penetration Tester
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Job Description:

Lead Principal Consultant – Penetration Tester

iO Associates is seeking SC or NATO Cleared Penetration Testers for a 12 month contract (outside IR35) starting in January, with a likely extension. This is a 100% remote role available to candidates based in the UK or a NATO country.

The client offers up to £400 per day (outside IR35). The work is structured as roughly two sprints per month.

Requirements

  • Extensive knowledge and experience (at least 3 years) in web application penetration testing, IT infrastructure penetration testing, network security architecture design
  • Assessing security vulnerabilities within OS, software, protocols & networks
  • Knowledge in system and network administration of UNIX and Windows systems
  • Use of penetration testing tools, techniques, and recognized testing methodologies
  • Scripting skills in at least one of: Python, Go, PowerShell, shell (bash, ksh, csh)
  • Professional qualifications: OSCP, OSCE, OSWE, GPEN, CREST Certified Web Application Tester, GXPN, GWAPT or equivalent
  • Familiarity with risk analysis methodologies
  • Prior experience in an international environment with military and civilian elements
  • Knowledge of NATO organization and internal structure

Senior Level

Entry level

Employment Type

Contract

Job Function

Information Technology – Military & International Affairs

For more information, please apply or send an updated CV to j.godwin@ioassociates.co.uk and a recruiter will call you to discuss the role.

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Posted: December 1st, 2025