Job Description: Role: Senior Solution Architect Day Rate: £680 per day (Inside IR35) Location: 2 days per week on-site Clearance: Active SC Cleared clearance required Contract Length: 6 months initial contract Role Overview We are seeking a Senior Solution Architect to join one of our Government Clients across a technology platform design project. You will own and define the target state architecture, driving technology modernisation across an estate that combines legacy .NET services, modern cloud-native components, identity and security platforms, and AWS managed data services. Key Responsibilities Technical Design Authority: Produce HLDs/LLDs, ADRs, and NFRs govern design approvals via ARBs and CABs. Modernisation Roadmap: Define migration paths to retire legacy tech (.NET WPF, Terraform tech debt, dual Vue.js/React footprint). Cloud and Security: Design scalable patterns using AWS Well-Architected principles, Docker containerisation, and identity tools Data Architecture: Oversee logical/physical data across PostgreSQL, MySQL, Oracle, and Elasticsearch/OpenSearch with a focus on data minimisation and security Key Requirements Essential: 10+ years in software engineering/architecture, with 3+ years as a Solution/Technical Architect on complex platforms. Active SC Clearance Proven experience in technology modernisation and legacy-to-cloud migration paths. Core tech stack: .NET / .NET Core , Python , JavaScript/TypeScript (Vue.js, React) . AWS Managed Services (RDS, SQS, DynamoDB, OpenSearch, ECR) and AWS Well-Architected Framework. Terraform (IaC) and Docker at scale. Identity, authentication, and API Gateway platforms (e.g. WSO2, RADIUS). Background in regulated, security-conscious, or public sector environments. Desirable: TOGAF or AWS Certified Solutions Architect (Professional). AWS SageMaker or ML/analytics tooling. £650.00 - £680.00 / day Talent International UK and it's subsidiaries, Digital Gurus, Infinite Talent and Rethink act as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this opportunity, you accept the TandC's, Privacy Policy and Disclaimers which can be found at talentinternational.co.uk TPBN1_UKTJ