Lead Security Technical Architect - Telecoms

NTT DATA; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

NTT DATA is seeking a Lead Technical Security Architect for Telecoms to guide transformation journeys with a strong security consulting background. You will translate technology security requirements into enterprise security architectures, and work across IT, networks, and security controls within hybrid cloud environments.

The role emphasizes risk-focused delivery, stakeholder engagement, and adherence to standards like NIST, ISO, CIS, and UK cyber regulations.

Qualifications

• Must have worked in a Telecoms environment.
• Multi-year client-facing project experience in professional services.
• Experience shaping end-to-end security architectures across hybrid Cloud and On-Prem.

Responsibilities

• Unpack technology security requirements into enterprise architecture patterns.
• Define strategic, tactical and operational security options for clients.
• Oversee documentation, validation, assessment, and authorization processes.
• Engage with Enterprise Architects, business leaders and technologists at all levels.

Skills

Telecoms domain

Client-facing consulting

Security architecture

Stakeholder management

Security governance

Education

Open CA / TOGAF / SABSA / CCSK / CCSP

CISSIP-ISSAP / CNDA

Job description

Lead Technical Security Architect - Telecoms

We are currently recruiting a Lead Technical Security Architect or an Enterprise Security Architect Consultants to join our growing Security Consulting practice. If you are passionate about Information and Cyber Security Architecture with a strong consulting background, are obsessive about solving business and client challenges, and if you are strongly security risk focused… We can provide an excellent platform to develop your ambition and career, while helping our clients tackle some of their biggest challenges.

What you'll be doing;

This is a great opportunity for you to play a pivotal role in helping to shape our client’s transformation journeys. Using your consultative background, you will be able to:

• 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
• 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.

What you'll bring;

It starts with amazing people, challenging projects and a work environment that supports the creation of tangible solutions that make an impact.

You will need to have a broad security consulting background and have previous experience:

• 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.