Technical Architect in London - Searchability NS&D

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.