Administers and optimizes enterprise SQL Server and Oracle databases across on-premises, Azure, and OCI environments. Manages high availability, disaster recovery, performance, security, monitoring, backups, cloud integrations, ETL, SFTP, and workload automation. Applies DevOps, CI/CD, scripting, infrastructure-as-code, and observability practices to database operations. Troubleshoots cross-platform production issues, maintains data governance documentation, supports compliance, and evaluates AI-enabled database technologies.