**Make an impact with NTT DATA** Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive. As our Technology Consulting Services department continues to expand, we are seeking a **Senior Penetration Tester** to join our team. As a Senior Penetration Tester, your primary responsibility will be to lead and perform ethical hacking assessments, custom penetration testing scenarios, …. A significant portion of your time will be dedicated to **Research and Development** (R&D) and developing your skills where you will be encouraged to develop new tooling, techniques and perform vulnerability research. **What will you do** After an initial familiarization with NTT Data methodologies and approaches, the Senior Penetration Tester will be expected to: - **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-Teaming engagements. - **Participate** to client needs capture and translation into commercial proposal. - **Manage** and guide junior colleagues in their projects - Be able to effectively **translate** complex technical information to both technical and non-technical stakeholders. **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 + 3-5 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 **About NTT DATA** NTT DATA is a $30+ billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long-term success. We invest over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure, and connectivity. We are also one of the leading providers of digital and AI infrastructure in the world. NTT DATA is part of NTT Group and headquartered in Tokyo. **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. Apply today.