Service Architect - Permanent

AgileSource are looking for an experienced Service Architect with a Government/Public Sector & Consultancy background.

As a Service Architect, you will hold a senior role in defining, shaping, and assuring end-to-end service designs. The position blends strong architectural discipline with hands-on delivery insight, ensuring services are robust, operable, and aligned to organisational strategy. You will work as part of a multi-disciplinary team, helping to create services that are scalable, resilient, and designed around user needs.

Key Responsibilities

• Develop and maintain holistic service designs covering people, processes, data, technology, and third-party suppliers.

• Own the creation of service design artefacts, including service blueprints, catalogues, interface specifications, and operational documentation for critical services.

• Provide leadership on service design assurance, working alongside client architecture and governance functions to ensure adherence to agreed standards.

• Create, review, and assure design outputs in line with organisational policies, security requirements, accessibility standards, and defined architectural frameworks.

• Participate in design and governance forums, offering service-focused assurance, identifying dependencies, and contributing to risk and issue resolution.

• Identify and manage technical, contractual, and supplier dependencies to support smooth transitions across infrastructure, data, and support arrangements.

• Drive architectural consistency across programmes and workstreams, proactively highlighting and resolving shared risks, constraints, and overlaps.

• Collaborate closely with Enterprise Architecture, technical specialists, platform owners (including ServiceNow), delivery leads, and analysts to ensure designs are both strategically coherent and delivery-ready.

• Support and upskill client teams in areas such as operating model design, service governance, and multi-supplier integration to build lasting internal capability.

Essential Skills & Experience

• Demonstrable experience designing and assuring services within large, complex organisations.

• Strong understanding of service integration models, sourcing approaches, and enterprise technology platforms.

• Knowledge of public sector environments, including digital governance frameworks and secure-by-design service principles.

• Proven ability to engage and influence senior stakeholders across business and technical audiences.

• Holds current SC clearance or is eligible and willing to obtain clearance.

Desirable Experience

• Exposure to product-led and platform-based operating models.

• Practical understanding of ITIL 4 concepts and practices.

• Hands-on experience working with ServiceNow or similar enterprise service platforms.

• Involvement in major transformation initiatives, such as large-scale organisational change, mergers, or acquisitions.