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Penetration Tester (m/f/d)

Contract

Brussels, Belgium

04.04.2025

We are looking for a penetration tester to join our client in Mons, Belgium.

Key Responsibilities

Lead and/or be part of the Red/Blue Team during main exercises.
Provide Web, infrastructure, and application-level penetration testing.
Provide security design reviews to ensure compliance with policies and directives.
Provide security consultancy and advice to projects, plans, and other entities.
Build and sustain effective communications with different stakeholders, including the Configuration Control Board, Security Accreditation Boards, Security Accreditation Authorities, and organization units supporting accreditation processes.
Brief at both executive and technical levels on security reports and testing outcomes, including at flag officer level.

Qualifications
More than 3 years of experience in:

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.