Technical Architect

TECHNICAL ARCHITECT • Technical Architect | Data Platform | AWS & Azure | Brownfield Modernisation • £510 per day via Umbrella | Contract until 31/12/2026 • Remote (occasional travel to London, Manchester, Birmingham or Newcastle) • Active SC Clearance Required (ideally used within last 6 months) ABOUT THE CLIENT Our client is undertaking the architectural modernisation of a large-scale, established data platform within a highly regulated government environment. This programme focuses on reshaping an existing brownfield data warehouse platform to align with enterprise standards, enable microservice-based upstream integration, and support secure multi-cloud connectivity - all while maintaining uninterrupted live service delivery. THE TECHNICAL ARCHITECT ROLE As Technical Architect, you will lead the architectural modernisation of a large-scale data platform, working within a complex brownfield environment. You will be responsible for re-architecting data flows, managing schema evolution (300+ schemas), defining data migration strategies, and enabling secure connectivity between AWS-hosted services and Azure-based enterprise environments. You will provide senior technical authority across architecture, infrastructure, security, and governance - ensuring alignment with organisational standards while maintaining continuity of critical live services. This role requires strong hands-on capability, multi-cloud expertise, and the confidence to operate as architectural lead across multiple technical and stakeholder groups. ESSENTIAL SKILLS • Proven experience as a Senior Technical Architect within complex brownfield environments • Strong Data Platform Architecture experience (ETL/ELT, ingestion patterns, schema evolution, microservices integration) • Multi-cloud expertise across AWS and Azure • Experience designing secure cross-cloud data connectivity (VPC, VPN, identity, Zscaler) • Strong infrastructure and security architecture capability • Experience modernising live critical services without disruption • Experience within government, public sector or regulated environments • Strong governance, assurance and technical leadership experience • Experience producing high-quality technical documentation (Confluence / SharePoint) • Active SC clearance (ideally used within last 6 months) DESIRABLE • Event-driven architecture experience • Knowledge of Kotlin and migration to Java/Python • Experience with Power BI / GenAI (nice to have) • AWS and/or Azure certifications TO BE CONSIDERED Please either apply via this advert or email your CV directly to . For further information, please call . By applying for this role, you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only.