Solution architect

Own the end-to-end technical design of a national-scale registry platform built on a Service-Oriented Architecture (SOA). The defining challenge is designing the linkages-the services, interfaces and data exchanges that connect the platform to a wide ecosystem of government and third-party systems into a single authoritative source of citizen/beneficiary data. The role translates business and policy intent into a governed target architecture, produces C4 (L1-L3) views, Architecture Decision Records and a multi-layer reference architecture, and defines the unified data model and canonical services. Key Responsibilities Own the end-to-end solution architecture for the platform. Translate business and policy requirements into a governed target architecture. Produce C4 architecture views at L1-L3. Produce and maintain Architecture Decision Records. Develop the multi-layer reference architecture. Define the unified registry data model and canonical services. Design the integration and orchestration backbone. Define service contracts and SOA design patterns. Design ESB/API layers and API-management approaches. Define message-based and event-driven integration flows. Design master-data and identity-resolution approaches. Design complex system-to-system linkages across government, partner and third-party systems. Rationalise legacy estates including core applications, ERP and supporting applications into a coherent future-state architecture. Shape cloud, on-premise and hybrid deployment strategies aligned with regional sovereign-cloud requirements and national digital standards. Address non-functional requirements including security, scalability, resilience, data quality and interoperability. Chair architecture governance forums. Present and defend architecture/design decisions with senior client stakeholders. Required Experience & Capabilities10+ years of enterprise and/or solution architecture experience. Recent delivery experience on large public-sector or data/registry-platform programmes. Deep, hands-on command of Service-Oriented Architecture (SOA). Strong service design and service-contract experience. Strong ESB/integration-platform experience. API architecture and API-management experience. Event-driven and message-based architecture experience. Master-data and identity-resolution experience. Proven ability to design complex system-to-system linkages across broad partner and application landscapes. Proven experience rationalising legacy estates into coherent target architectures. Strong non-functional architecture credentials covering security, scalability, resilience, data quality and interoperability. Strong senior stakeholder communication and architecture-governance capability. Preferred / Advantageous Exposure to AI/ML target architectures. Exposure to AI governance frameworks such as NIST AI RMF and ISO/IEC 23894.

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