Previous experience supporting Department of Veterans Affairs (VA) healthcare data systems, including VX130, Oracle Health Millennium, or the Corporate Data Warehouse (CDW), with familiarity in InterSystems IRIS, Caché, mirrored database architectures, EHR data migration, cutover verification, and healthcare data governance practices. Extensive hands-on experience developing, reviewing, and optimizing advanced SQL queries, scripts, and data transformation processes using Microsoft SQL Server, including working with large, complex datasets and applying indexing, normalization, and performance tuning techniques.