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NTT DATA Logo NTT DATA · IT - Software Development

Principal Security Services Architect

Singapore, Singapore · Job Posted February 17, 2026
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Job Description

The Principal Security Services Architect at NTT DATA is responsible for designing and delivering innovative security managed services solutions for large enterprises. This role requires extensive experience in security managed services, cloud security, and network security. A bachelor’s degree in information technology or a related field is required. The position involves client engagement, workshop facilitation, and mentoring internal teams.

Job Responsibility

  • Designing and delivering innovative, secure, multi-year Managed Services solutions across security technology domains
  • Working closely with clients and sales and delivery teams to create cutting-edge solutions that drive digital transformation
  • Integrating technology and service design to develop competitive and commercially viable security managed service offerings
  • Leading the design of solutions, validating new designs and features, and ensuring they align with client requirements and organizational standards
  • Mapping client requirements, creating detailed service elements, and developing comprehensive solutions that encompass cloud services, technology architectures, and leading practice frameworks like SIAM and ITSM
  • Engaging with clients, facilitating workshops, analyzing current architectures, identifying opportunities for improvement, and presenting compelling value propositions
  • Providing coaching and mentorship, offering expertise to internal teams to ensure successful delivery
  • Maintaining up-to-date knowledge of emerging trends in technology and security, sharing this with stakeholders
  • Crafting cost models
  • Managing vendor relationships
  • Ensuring a smooth transition to service delivery teams and the continuous evolution of managed services

Requirements

  • Extensive experience in designing and implementing security managed services solutions for large enterprises
  • Deep knowledge of Managed Services delivery models, including cloud and distributed environments
  • Strong experience with security platforms and services such as network security, cloud security, endpoint security, IAM, and DATA protection
  • Proficiency in costing models and working closely with sales and finance teams
  • Experience crafting large, multi-year contracts and creating compelling value propositions
  • Excellent communication skills, capable of conveying complex ideas to all stakeholders, including C-suite executives
  • Proven ability to lead workshops, present solutions, and achieve client buy-in
  • Demonstrated ability to work collaboratively within a team and contribute individually within a matrixed organization
  • Passion for staying current with industry trends and best practices in security and managed services
  • A bachelor’s degree in information technology, Information Systems, or a related field
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