Penetration Tester for NATO with security clearance

WLG
📍 Mons, Walloon Region, Belgium 💼 Full-time 🕒 Posted February 22, 2026

Job Description

Would you like to join the leading international intergovernmental organization?

We are seeking a highly skilled and experienced Penetration Tester to join a dynamic team responsible for securing critical NATO systems and infrastructure. The ideal candidate will lead and participate in offensive and defensive cybersecurity operations (Red/Blue Teams), conduct in-depth security assessments, and provide expert consultancy to ensure robust security postures in alignment with NATO policies. This role demands technical excellence, strong stakeholder management, and the ability to communicate complex security issues clearly to both technical and executive audiences, including flag officers.

Responsibilities:

  • Lead and/or be part of the Red/Blue Team during NATO military exercises;

  • Provide Web, infrastructure and application level penetration testing;

  • Provide security design reviews to ensure complian...

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Job Details

  • Location Mons, Walloon Region
  • Job Type Full-time
  • Category Computer Occupations
  • Posted Date February 22, 2026
  • Application Deadline April 03, 2026