Senior / Lead Platform Architect Remote Long Term Platform Architecture Leadership: Define and maintain the Azure Databricks reference architecture for AI data preparation, grounding (RAG), orchestration, telemetry, and governance. Establish Databricks platform standards and guardrails, including workspace patterns, Unity Catalog design, compute policies, and cost controls. Ensure Unity Catalog is the system of record for AI data access, enforcing fine grained permissions, data masking, linea