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Senior Solution Architect
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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.
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Key Requirements
- 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.
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Desirable
- TOGAF or AWS Certified Solutions Architect (Professional).
- AWS SageMaker or ML/analytics tooling.
£650.00 - £680.00 / day
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