Security Assessment Consultant (Pentester)

Job Description

Our client, a global systems integrator and managed services provider for Hybrid IT, is looking for Security Assessment Consultants / Penetration Testers (Junior and Senior). They bring together the world’s best technology with the service support which their clients need – from consulting, technical, and support services to a fully managed service. This also includes supporting their clients during their digital business transformation journey.


Position summary

As a Security Assessment Consultant (Penetration Tester), your primary responsibility will be to serve as a recognised subject matter expert and thought leader with expertise in information security and to use this expertise to perform assessments (such as penetration tests, risk assessments).

A significant amount of your time will be allocated to Research and Development (R&D) through which you will be encouraged you to discover new security vulnerabilities and weaknesses.


Main duties/Key accountabilities




After an initial familiarization with the Company methodologies and approaches, the Security Assessment Consultant should be capable to:

  • conduct technical consultative engagements including projects initiation, technical security testing and analysis, reporting and result presentations, for our clients on topics like :
    • Web Application;
    • Mobile Application;
    • Desktop Application;
    • Red-Teaming;
  • maintain a broad-based technical knowledge in key information security areas;
  • perform (complex) technical research:
    • develop security evasion techniques useful in Red-Teaming engagements;
    • become an expert in certain technical topic (Active Directory, Containers, Web Browsers, …);
    • discover new (previously undiscovered) vulnerabilities (0days), perform responsible disclosure, publish your research;
  • For the Senior Talents:
    • develop and maintain standardized templates, tools and methodologies in response to reoccurring client needs;
    • provide guidance and coaching to junior team members;
    • conduct occasional  presales work for activities in line with penetration testing;
    • take the lead on complex security assessments;




Education, Training & Experience



  • You have minimum a Bachelor in ICT or similar in experience.
  • Senior: At least 3-5 years of experience in the Information Security field.
  • Junior: At least 1-2 years of experience in the Information Security field.
  • French or Dutch as mother tongue and good verbal and written knowledge of English.
  • Proficient with scripting languages such as Python, PowerShell, Bash, …
  • Experience with common penetration testing frameworks and tools such as Kali, Metasploit, Burp Suite, Mimikatz, …
  • Ability to think creatively in complex situations (e.g. attempting to bypass security controls).
  • Certifications such as CEH, OSCP, GPEN, GWAPT, OSCE are a strong plus.
  • Ability to communicate effectively with clients.
  • Driving license (cat B) is required.




  • Display clear, persuasive and confident presentation and communication.
  • Analytical thinking and excellent problem-solving ability.
  • Strong personal initiative and a sense for pushing the limits on your technical knowledge.
  • Work flexibility and willingness to travel for a limited period if needed.
  • Strong ability to work as part of a team.
  • Eligible and prepared to obtain NATO clearance.
  • Act with commitment to Company’s core values of Innovation, Teamwork, Professional Excellence, Integrity, Client Commitment and Respect.

Contact: Pierre Dagneau +32 477 21 65 20 -

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Pierre Dagneau