Senior Penetration Tester/Red Team Operator, Brussels

Senior Penetration Tester/Red Team Operator What will you do

conduct technical exercises including projects initiation, technical security testing and analysis, reporting, and result presentations for our clients on topics such as: Web Application Mobile Application Desktop Application IT Infrastructure Red‑Teaming maintain a broad-based technical knowledge in key information security areas.perform technical research:

become an expert in one or several topics of your interest (Active Directory, Containers, Web Browsers, OT, IoT,…) discover new (previously undiscovered) vulnerabilities (0days), perform responsible disclosure, publish your research develop novel attack techniques useful in Red‑Team engagements

Participate to client needs capture and translation into commercial proposals. Manage and guide junior colleagues in their projects. Translate complex technical information to both technical and non‑technical stakeholders effectively. What we are looking for in candidates

A minimum of a Bachelor's degree in ICT or equivalent experience. Certifications such as OSCP, CRTO, OSEP, OSED, OSWE,… are highly desirable. 4–5 years of experience in penetration testing/offensive security. Native proficiency in

French or Dutch

, with excellent verbal and written knowledge of

English. Strong personal initiative and a commitment to expanding your technical knowledge. Flexibility and willingness to travel for limited periods if required. Strong teamwork abilities. Creative thinking skills in complex situations (e.g., attempting to bypass security controls). Effective communication skills with clients.Excellent proficiency with scripting languages such as Python, PowerShell, Bash, etc. Advanced experience with common penetration testing frameworks and tools. Possession of a valid driving license (category B) is required. Eligibility and preparedness to obtain NATO clearance. What we offer

Contract of unlimited duration. Annual bonus. Lunch vouchers. Forfaitary compensation for professional costs. Company car or Mobility budget. Hospitalisation insurance and ambulant care at premium level. Group and disability insurance. Possibility to order a lease bike. 31 days of holiday plus seniority days.Data and voice subscription + contribution for a smartphone device. Contribution for internet at home. Contribution for IT equipment. Private use of your NTT laptop. Workplace type

Hybrid Working. Equal Opportunity Employer

NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us.

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