The Senior DBA provides technical guidance to junior administrators, developers, and functional teams, and works in full partnership with software, database, and application vendors-serving as the technical liaison responsible for vendor coordination in support of the databases that underpin these applications-to keep ERP services reliable and secure. The position administers databases supporting mission-critical ERP applications (such as Oracle PeopleSoft or comparable ERP platforms), leads database upgrades and patching, tunes performance, plans capacity, and safeguards data through backup, recovery, and disaster-recovery practices.