Solution Architect - UK Defence Accounts

Salary: £63,000 - 103,000 per year

Requirements:

• Experience working in Defence delivery environments, with an understanding of Defence governance, acquisition processes, military decision-making, and collaborative working across military, Civil Service and supplier organisations.
• Strong Solution Architecture experience, with demonstrable delivery within Defence, National Security or other complex, highly regulated environments.
• Strong knowledge of cloud-native architectures and cloud platforms, including experience of MODCloud or equivalent Defence or National Security cloud environments.
• Experience working within recognised architecture frameworks such as TOGAF, NAF or MODAF, together with modelling approaches such as ArchiMate.
• Experience of delivering solutions with strict security controls, where external security assurance is mandated, including awareness of Secure by Design (SbD) principles and their implementation.
• Experience defining the high-level engineering approach at a programme level, such as defining transition states, architectural roadmaps and identifying potential delivery options.
• Experience working within an MBSE environment, with the ability to consume and interpret architecture models, viewpoints and traceability held within Sparx Enterprise Architect to inform solution design and architectural decision-making.
• Broad knowledge of technologies and applications, such as integration and messaging services, digital services, case management, data integration, and a good, up-to-date understanding of emerging technology approaches.
• Excellent communication skills and strengths in producing high quality and accurate deliverables.
• Ability to engage credibly with senior military officers, Civil Servants, suppliers and technical stakeholders.
• Ability to influence technical and non-technical stakeholders, building trusted relationships across Defence, customer and supplier organisations.
• Candidates must hold, or be eligible to obtain, UK Security Check (SC) clearance. Existing SC or DV clearance is highly desirable.

Responsibilities:

• Define solutions and shape the architectural aspects of programmes.
• Drive initial discovery phases, understand the landscape, and identify challenges.
• Design solutions within product and programme teams.
• Work in an agile, fast-moving environment, building relationships quickly and collaborating with multi-functional teams.
• Evaluate the current state of a solution or service.
• Identify challenges, gaps and opportunities.
• Identify technical solutions and options.
• Define programme roadmaps and high-level direction setting.
• Define transition states and transformation approaches.
• Support estimation and business case generation for proposed solutions.
• Guide proposed solutions through technical governance reviews.
• Build relationships with technical and business stakeholders.

Technologies:

• AI
• Architect
• ArchiMate
• Cloud
• Support
• Security
• TOGAF

More:

We are NTT DATA, a $30+ billion business and technology services leader serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the worlds leading AI and digital infrastructure providers, with capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. Our consulting and industry solutions help organizations move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 70 countries, along with access to a strong ecosystem of innovation centers and established and start-up partners. We are looking for experienced, pragmatic, personable and talented Solution Architects and Application Architects for our UK Defence and National Security accounts, supporting the delivery of digital, data and technology services. We value diversity and inclusion and offer an environment where people can grow, belong and thrive.

last updated 34 week of 2026