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Penetration tester for NATO with security clearance

WLG


Job Location:

The Hague - Netherlands

Monthly Salary: Not provided by the employer
Posted: 4 June 2026 (30+ days ago)
Application Deadline: 1 September 2026
Vacancies: 1 Vacancy
The job posting is outdated and position may be filled

Job Summary

Would you like to join the leading international intergovernmental organization

In this high-impact role you will lead and participate in Red/Blue Team operations during NATO military exercises conducting web infrastructure and application-level penetration testing across some of the most security-sensitive environments in the world. You will not simply run toolsyou will think like an adversary uncover hidden vulnerabilities and help NATO stay ahead of evolving cyber threats.

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 compliance with NATO policies and directives;

  • Provide security consultancy and advice to projects plans and other entities;

  • Build and sustain effective communications with different stakeholders; specifically the NCIA Configuration Control Board Security Accreditation Boards NATO Security Accreditation Authorities and NCI Agency organization units supporting accreditation processes.

  • Brief at both executive and technical levels on security reports and testing outcome including at flag officer level;

  • In co-ordination with the Head of the Penetration testing Cell ensure proactive collaboration and coordination with internal and external stakeholders.

Essential Qualifications & Experience:

The required skillset for the contracted individual is extensive knowledge and experience (more than 3 years) in the following areas:

  • Web application penetration testing;

  • IT infrastructure penetration testing;

  • Network security architecture design;

  • Assessing security vulnerabilities within OS software protocols & networks;

  • Researching and evaluating security products & technologies;

  • 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 the following: Perl Python Ruby shell (bash ksh csh);

  • Technical knowledge in system and network security authentication and security protocols cryptography application security as well as malware infection techniques and protection technologies.

  • Ability to evaluate risks and formulate mitigation plans;

  • Proven ability to write clear and structured technical reports including executive summary technical findings and remediation plan for several different audiences.

If youve read the description and feel this role is a great match wed love to hear from you! Click Apply for this job to be directed to a brief questionnaire. It should only take a few moments to complete and well be in touch promptly if your experience aligns with our needs.