Principal Data Architect | DV Cleared** Secure Government & Defence Programmes UK | Hybrid + Client Site **Active DV clearance essential** Architecture that ships, runs and gets used. Not left in a slide deck. Datatech Analytics is partnering with a leading UK consulting and technology organisation building secure, enterprise-scale data platforms for defence, national security and classified government programmes. They need Principal Data Architects who want real ownership and influence, and who stay close to delivery. **The role** Set technical direction for large-scale data platforms on mission-critical programmes. Work alongside senior stakeholders, engineers and delivery teams. Hands-on architecture: shape the platform, guide the build, make sure it works in the real world. **What you'll do** - Own data architecture across complex, secure programmes - Design end-to-end platforms, from ingestion to analytics and operational use - Build scalable architectures for highly classified environments - Turn mission requirements into solutions that can be delivered - Lead engineering teams through implementation - Shape long-term architecture and platform strategy **The environment** AWS, Azure, GCP · Databricks, Snowflake · Lake, lakehouse and modern warehouse architectures · Distributed processing · DevOps, IaC and secure deployment · Governance, access control and analytics **What we're looking for** - Active DV clearance - Proven delivery of enterprise-scale data platforms - Defence, national security or secure government experience - Deep cloud data architecture and secure design skills - Confident with senior technical and business stakeholders - Track record leading teams through complex delivery **Why it matters** Here, data architecture directly shapes operational capability. Real security constraints. Platforms that have to work when it counts. If you're an experienced Data Architect with DV clearance and want a genuine say in how these platforms are built, let's have a confidential conversation. (url removed)