Job Summary: We are seeking for one of the largest Bank in Egypt a Senior Oracle Database Administrator to manage and support mission-critical database systems in a high-availability production environment. The role includes performance tuning, database security, backup and recovery, and ensuring system availability using RAC and Data Guard technologies.Key Responsibilities:Administer and maintain Oracle databases in production environmentsPerform performance tuning and troubleshootingManage backup and recovery using RMANImplement and support RAC and Data Guard configurationsApply database patches and upgrades with minimal downtimeEnsure database security (encryption, auditing, access control)Perform capacity planning and monitoringAutomate DBA tasks using scriptingCollaborate with application and infrastructure teamsParticipate in on-call support