C004905 Penetration Tester (NS) - TUE 20 Oct RELAUNCH

EMW; Henegouwen; Hybrid; EUR 90,000 - 130,000; Full time

Job summary

EMW in Mons, Belgium, is seeking an experienced Penetration Tester for a full-time on-site role. You will lead and participate in Red/Blue Team activities during NATO exercises and perform comprehensive web, infrastructure, and application testing to ensure security across systems.

The position requires active NATO SECRET clearance and 3+ years of hands-on pentesting, vulnerability assessment, and security design experience.

Qualifications

• Active NATO SECRET security clearance is required.
• 3+ years of web application pentesting experience.
• 3+ years of IT infrastructure pentesting experience.
• 3+ years in network security architecture design.
• 3+ years in assessing vulnerabilities across OS, software, protocols, and networks.
• Experience evaluating security products and technologies.

Responsibilities

• Lead and participate in Red/Blue Team activities during NATO exercises.
• Provide web, infrastructure and application penetration testing.
• Perform security design reviews for NATO policies and directives.
• Offer security consultancy and project-related advice.
• Coordinate with NCIA boards and security authorities on accreditation processes.
• Present security findings and remediation plans to diverse audiences.

Skills

Web app pentesting

Infrastructure pentesting

Network security design

Security vulnerability assessments

Security product evaluation

UNIX/Windows admin

Penetration testing tools

Scripting: Python/Perl/Ruby

Security protocols/cryptography

Risk assessment & mitigation

Technical reporting

Tools

Penetration testing tools

NMAP/Metasploit (implied)

Job description

Deadline Date: Tuesday 20 October 2026

Requirement: Penetration Tester

Location: Mons, BE

Full Time On-Site: Yes

Time On-Site: 100%

Total Scope of the request (hours): 400

Required Start Date: 18 November 2026

End Contract Date: 31 December 2026

Required Security Clearance: NATO SECRET

Duties & Role:

The duties of the individual mainly focus on:

• 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.

Skill, Knowledge & Experience:

• The candidate must have a currently active NATO SECRET security clearance
• Extensive knowledge and experience (more than 3 years) in web application penetration testing;
• Extensive knowledge and experience (more than 3 years) in IT infrastructure penetration testing;
• Extensive knowledge and experience (more than 3 years) in network security architecture design;
• Extensive knowledge and experience (more than 3 years) in assessing security vulnerabilities within OS, software, protocols & networks;
• Extensive knowledge and experience (more than 3 years) in researching and evaluating security products & technologies;
• Knowledge in system and network administration of UNIX and Windows systems;
• Extensive knowledge and experience (more than 3 years) in the 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