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NTT DATA Logo NTT DATA · IT - Software Development

Telco Architect

United Kingdom, London · Job Posted March 25, 2026
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Job Description

The Security Architect role at NTT DATA focuses on Information and Cyber Security Architecture, requiring a strong consulting background and experience in Telecoms. The candidate will define enterprise security architecture patterns, manage security risks, and ensure compliance with industry standards. Strong stakeholder management and the ability to work in demanding situations are essential. Certifications such as CISSP-ISSAP and TOGAF are required, along with Defence Vetting SC.

Job Responsibility

  • Work in the capabilities phases of the systems development life cycle
  • unpacking and translating technology security requirements, business and environmental conditions (e.g., law and regulations) into enterprise security architecture patterns and processes at contextual, conceptual or logical levels
  • Draw upon Enterprise Security Architecture or Technical Security Architecture experience to: Identify Business objectives, goals and strategy
  • Business attributes that are required to achieve those goals
  • Enterprise
  • assets, systems, and information processes to support enterprise mission needs
  • Stakeholder security requirements for protecting the organization’s mission and business processes
  • The risk associated with the attributes that can prevent a business from achieving its goals
  • The required controls to manage the risk
  • assumptions, issues and dependencies
  • Define Strategic, tactical and operational client Enterprise Security Architecture or Security Solution Architecture options
  • Information Technology (IT), Network & Security principles, and the requirements that describe baseline and target architectures
  • Security architectures that manages business risks
  • Logical Security control architectures, mapping to conceptual and contextual architectures
  • Organizational and Operational architectures
  • Security controls in line with good industry Security practices (for example: NIST, ISO, CIS, NCSC, etc.), and relevant UK Cyber Regulation and Standards
  • Programmes or project to design and implement those controls
  • Review, challenge / validate Client requirements and supporting Use Cases
  • Solution and segment architectures align to business mission and processes
  • Oversee, evaluate, and support Documentation, validation, assessment, and authorisation processes necessary to assure new and existing information
  • Discovery and audits, for extraction of findings and documentation of recommendations
  • The adoption of Cyber / Technology Security Controls Frameworks (NIST / ISO / ISF / COBIT / etc.) and using this to implement solutions
  • Demonstrate Subject matter knowledge in the architecture of specific Security domains (for example: PAM / IAM, Cloud, IoT, Threat Profiling, etc.)
  • Your ability to take both clients and colleagues on a journey
  • Knowledge of concepts and principles of 'Secure by Design' and 'Zero Trust'
  • Experienced in shaping a variety of end to end control requirements across
  • application, systems and infrastructure, in hybrid Cloud (inc. O/D365, AWS, Azure, GCP) and On-Prem
  • Ability to architect solutions across service and network infrastructure. With a solid foundation in both.

Requirements

  • Must have worked in a Telecoms environment
  • Multi-year client-facing project and presentation experience in a professional services environment
  • Ability to operate in demanding situations whilst still having relentless drive to deliver with enthusiasm
  • Strong influencer, with a wide range of styles, having ability to build good working relationships with delivery partners and differing stakeholder levels within an organisation
  • Must be able to interface with and build relationships with Enterprise Architects, business people, and technologists at all levels
  • Evidence of continued personal growth attaining necessary further architectural and security qualifications and learning (such as
  • Open CA, TOGAF, SABSA, CCSK, ACSP, CCSP, CCSS, ACSA, CISSIP-ISSAP, CNDA)
  • We work with Public Sector clients where Defence Vetting to such as SC maybe required, as such you hold or are willing to hold vetting certification. Previous experience of working within this type of environment is required.

What we offer

  • We offer a range of tailored benefits that support your physical, emotional, and financial wellbeing
  • Our Learning and Development team ensure that there are continuous growth and development opportunities for our people
  • We also offer the opportunity to have flexible work options.
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