Installing, configuring, and administering Oracle Databases (Oracle 11g and 12c, 19c optional).Knowledge with EXPDP/IMPDP, SQL loader, Oracle security.Oracle RAC/ASM installation, configuration, administration, and troubleshooting issues.Experience with RMAN-managed backup/disaster recovery/standby server recovery.Oracle DB patching, cloning, and upgrades.Oracle Data guard administration and troubleshooting.Exadata environment working experience.Troubleshooting performance issues and doing SQL and DB tuning.Administration knowledge OSs (Windows and Linux).DBA in a previous core banking system is a plus.