Penetration Tester Cybersecurity

JOB LOCATION: Braine L Alleud/Brussels Belgium

DURATION: 6-12months + (Possibility for Extension)

WORK PATTERN: HYBRID Role

PAY RATE: Euros 500 - Euros 600 EURO/Day (Negotiable DOE)

LANGUAGES: English MUST

We are looking for 2 Cybersecurity Penetration Testers .

The positions are in Braine L Alleud, starting on July 23rd, 2026.

At the beginning, the work is onsite.

After 2 or 3 months, remote is possible: 1 or 2 days/week.

Duration thru December 31, 2026 + Full year 2027.

English is requested

Required clearance: UK Security Check or Nato Secret

The attestations in attachment must be signed by the candidates.

The deadline for provision of candidates is June 15, 2026.

Title: Penetration Tester for Mons (Belgium)

Job Description:

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 supporti12ng accreditation processes.

Skills:

The required skill set 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;

Security Clearance: NATO Secret or UK Security Check