Experience with data quality, operational controls, and healthcare data privacy, including reconciliation, exception/reject handling, duplicate management, historical corrections, reprocessing, HIPAA/PHI/PII requirements, and platforms such as Snowflake, SQL Server, or SSIS highly preferred. Advanced SQL skills including the ability to write, optimize, and troubleshoot complex queries, joins, CTEs, window functions, stored procedures, and large-volume data transformations across complex relational datasets highly preferred.