Architect the lakehouse: Design and own scalable, secure Databricks Lakehouse architecture on Azure (Delta Lake, Unity Catalog, medallion bronze/silver/gold, ADLS Gen2) aligned to enterprise standards. Stay hands-on: Personally build and review PySpark / Spark SQL pipelines, Delta Live Tables, notebooks, and orchestration — setting the engineering bar, not just directing it. Lead legacy migration: Drive conversion of complex legacy ETL (DataStage) workloads to Databricks/PySpark and ADF, incl