Senior Database Administrator

Database Administration & Operations Manage, configure, and maintain Oracle 10g, 11g, 12c, 18c, 19c, 21c, and other enterprise Oracle database versions. Ensure high availability, security, and performance tuning of production and development databases. Monitor database health, troubleshoot issues, and implement proactive solutions to prevent downtime. Manage database backup and recovery strategies, including RMAN, Data Guard, and Flashback technologies. Performance Tuning & Optimization Optimize SQL queries, indexing strategies, and database parameters to improve system performance. Perform AWR, ASH, and ADDM analysis to diagnose and resolve performance bottlenecks. Implement partitioning, compression, and parallel processing techniques for large datasets. High Availability & Disaster Recovery Design and implement Oracle Data Guard (Physical & Logical Standby), Oracle RAC (Real Application Clusters), and GoldenGate for high availability and disaster recovery. Develop and test failover and disaster recovery plans to ensure business continuity. Database Automation & Cloud Migration Automate database tasks using PL/SQL, Shell scripting, Python, or Ansible. Optimize storage, networking, and compute resources for on-premises Oracle deployments. Security & Compliance Implement database security best practices, including TDE (Transparent Data Encryption), auditing, and access control. Ensure compliance with GDPR, PCI-DSS, and other industry regulations. Others Role Provide technical guidance to developers on database design, data modeling, and query optimization. Collaborate with infrastructure, DevOps, and application teams to integrate databases into enterprise environments. Document database architecture, configurations, and best practices for internal teams.