Senior Penetration Testers (NATO Secret Cleared)
Belgium – Hybrid (Mons)
We are pursuing an opportunity within a NATO environment and are seeking Senior Penetration Testers, including a Lead Tester, to support grey-box penetration testing activities.
Active NATO SECRET clearance is mandatory (no sponsorship).
Working Model
* Lead Tester:
On-site in Mons, Belgium once per week
* Senior Testers:
Primarily remote with on-site travel as required
* Hours:
Mon–Fri, 08:30–17:30 CET (excluding NATO holidays)
Key Responsibilities
* Participate in test scoping and planning with NATO stakeholders
* Conduct grey-box penetration testing using NATO-approved tools
* Perform all testing on NATO-furnished REACH laptops
* Work in line with NATO Rules of Engagement and security policies
* Produce clear technical findings and support reporting/debriefs
Required Experience
* Senior-level penetration testing / ethical hacking experience
* Strong grey-box testing background
* Experience in high-security or government environments
* Excellent technical reporting and stakeholder communication skills
Nice to Have
* NATO or defence-sector experience
* Lead Tester or team coordination experience
Why Apply?
* High-impact work within a NATO programme
* Mission-critical cyber security testing
* Hybrid model with leadership opportunities