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)