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NTT DATA Logo NTT DATA · IT - Administration

Technical Architect - Security

Belgium, Diegem · Job Posted February 17, 2026
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Job Description

The Technical Architect - Security role at NTT DATA involves designing and implementing security architectures for clients. In this role, you will serve as a recognized subject matter expert and though leader with deep expertise in designing information system security areas. You will leverage your expertise to perform specialized consulting engagements and lead the creation of multi-technology solutions across business and service unit. You will act as trusted advisor to our clients helping them to define a fit for purpose security architecture in line with their security governance model.

Job Responsibility

  • Conduct consultative engagements, as lead consultant or team member, with clients to ensure the delivery of assessment services in security architecture and governance domains
  • Ensure hand-over of engagement information and opportunities to internal stakeholders
  • Help develop standardized consultative engagement templates in response to reoccurring client needs and raise internal awareness of such engagements
  • Perform business development and presales work for opportunities within your domain
  • Act as a mentor for less experienced consultants or architects
  • Participate, together with specialized subject matter colleagues or third parties, to the creation of complex solutions focusing on security with a main focus on service , application and infrastructure components
  • Guarantee the global coherency of proposed solutions
  • Understand the client’s business strategy, policies, processes, services and roadmap and map these to information system, security frameworks and technology architectures
  • Help the client executing on his security governance roadmap by coordinating the design and implementation efforts with a pragmatic and actionable approach
  • Work together with our Transformation Consultants and the client’s CISO or security manager to deliver strategic advice for improvement
  • Closely collaborate with program manager and centres of excellence, to deliver state of the art services to guarantee and enhance the long-term relationship with the client
  • Work proactively with sales team and look for additional opportunities

Requirements

  • Bachelor in ICT at a minimum (Master strongly preferred)
  • Relevant certifications or proven knowledge in IT security area (CISSP, CISM, CISA,…)
  • Strong and proven experience in designing, deploying, and supporting large security deployments
  • In-depth knowledge of the current security offering available on the market (Fortinet, Cisco, Palo-Alto, Checkpoint, …)
  • In-depth understanding of the use of security components (IAM, SASE, SSE, NAC, VPN, PAM, cloud security, cloud-delivered security, …) and security models (segmentation model, zero trust model,…) in hybrid and heterogeneous environments
  • Understanding of security control framework (ISO2700x, NIST, CIS,…), security directive (NIS2, DORA, GDPR,..) and risk management processes
  • At least 5 proved years’ experience in architecture and consulting functions
  • French or Dutch as mother tongue and good verbal and written knowledge of the other language as well as English
  • Emotional and stress resilience and ability to autonomously achieve challenging goals
  • Clear and persuasive communication and able to interact with various stakeholders in a consultative engagement
  • Balanced Business and Technology savvy with a strong understanding of both applications, services and infrastructure
  • Analytical thinking and excellent problem-solving ability as well as an appreciation for rigor and objectivity
  • Strong personal initiative and a sense for innovation, to identify efficient and competitive solutions to our clients’ needs, as well as new types of engagements and solutions
  • Work flexibility and willingness to travel if needed
  • Strong ability to work as part of a team, and to drive or lead such teams where opportune
  • Eligible and prepared to obtain NATO clearance if necessary
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