Quality Assurance Engineer and Data Analytics professional with 7+ years of progressive experience leading data validation initiatives, ETL testing, and BI report verification for enterprise healthcare and government systems. Strong experience in SQL (Teradata, T-SQL), having designed OLAP cubes and validated data pipelines processing billions of records with zero tolerance for error in executive-facing dashboards. Proven leader in mentoring QA teams and establishing rigorous testing standards in fast-paced agile environments.