2 of 2 Permanent Performance Tuning Jobs in Norwich

multiple research databases. Write historic correction scripts to fix data anomalies across large datasets. Implement validation and consistency checks during data ingestion and transformation. Performance & Database Engineering Optimise ETL queries and batch processes running against very large tables (billions of rows). Analyse and tune query execution plans, indexing … strategies, and partitioned tables. Improve performance of data loads and batch ETL processing. Operational Database Work Support operational SQL Server tasks including: Integrity checks Troubleshooting failed imports Manage file‐based data ingestion, including large CSV imports and server directory management. Maintain and improve SSIS packages and SQL‐driven import ...

processing. Design Delta Lake architectures including: Delta tables Medallion architecture (Bronze/Silver/Gold layers) Data quality frameworks Schema evolution andoptimization Perform Databricks performancetuning: Cluster optimization Spark job optimization Query tuning Cost optimization Implement Databricks governanceand security using: Unity Catalog Access controls Data lineage Audit capabilities Lead migration ...