Oracle Core DBA (24x7 Support)

Location: On-site (Client Premises) Experience: 10+ Years Shift: 24x7 Rotational Shift Job Summary We are seeking a highly experienced Oracle Core DBA to manage and support mission-critical database environments. The ideal candidate will have deep expertise in Oracle database administration, performance tuning, and high availability solutions, along with hands-on experience in upgrades and migrations to latest Oracle versions. Key Responsibilities Manage and administer Oracle databases in a 24x7 production environment Perform advanced performance tuning and query optimization Design and manage partitioning strategies for large datasets Configure and maintain Oracle RAC, ASM, Data Guard (DG), and Active Data Guard (ADG) Execute database upgrades and migrations to Oracle 19c, 23AI, and 26AI Monitor database environments using Oracle Enterprise Manager (OEM) Implement and manage Transparent Data Encryption (TDE) for database security Perform backup and recovery operations, ensuring data integrity and availability Configure and support Oracle GoldenGate for replication and data integration Troubleshoot database issues and ensure high availability and performance Collaborate with application and infrastructure teams for database optimization Requirements Required Skills & Expertise Strong experience in Oracle Database Administration (10+ years) Expertise in: Performance Tuning & Optimization Partitioning RAC / ASM Data Guard & Active Data Guard Hands-on experience in database upgrades and migrations (19c, 23AI, 26AI) Proficiency in OEM monitoring tools Strong knowledge of TDE (Transparent Data Encryption) Experience in Backup & Restore strategies (RMAN) Working experience with Oracle GoldenGate Strong troubleshooting and analytical skills Good to Have Experience working in 24x7 production support environments Exposure to automation and scripting (Shell/Python) Knowledge of cloud-based Oracle deployments (OCI/AWS/Azure)