Experience with data governance and data quality platforms such as Collibra, Ataccama, Informatica Axon/EDC, Alation, or similar tools for business glossary management, stewardship workflows, policy compliance, data quality monitoring, and governance KPI reporting. Define and implement data quality frameworks covering profiling, validation rules, completeness, accuracy, consistency, timeliness, uniqueness, exception management, issue tracking, root-cause analysis, and remediation workflows.