Senior Oracle Database Administrator

Job description

Responsibilities: • Administer Oracle Database across 10g, 11g, 12c, and 19c releases, including performance monitoring, tuning, patching, upgrades, CPU/PSU installations, and database cloning • Install and configure Oracle RDBMS software across development, test, and production environments • Design and implement backup, restore, and disaster recovery strategies using RMAN and related tools • Monitor database health, capacity, and growth trends; proactively identify and resolve performance bottlenecks • Manage database security, including user access, roles, privileges, and auditing • Troubleshoot and resolve Oracle database issues, including connectivity, replication, locking, and corruption • Implement and maintain high availability solutions (RAC, Data Guard, Standby databases) • Automate routine DBA tasks using scripts (Bash/Python) to improve efficiency and reduce manual effort • Collaborate with developers, QA, and infrastructure teams on schema design, query optimization, and release deployments • Maintain documentation for database configurations, standard operating procedures, and incident runbooks • Provide 24x7 on-call support for mission-critical Oracle databases in production, ensuring rapid incident response and resolution Required Qualifications: • 9+ years of overall IT experience, including 4+ years specifically in Oracle database administration, configuration, and troubleshooting • Strong hands-on experience with backup, restore, and recovery techniques (RMAN, hot/cold backups, point-in-time recovery) • Solid understanding of Oracle architecture, memory management, and storage (ASM, tablespaces, redo/undo) • Experience with database patching, upgrades, and migrations across major Oracle versions • Familiarity with performance tuning tools (AWR, ADDM, SQL Trace, TKPROF) • Working knowledge of high availability and DR concepts (RAC, Data Guard) • Competent in scripting (Bash required; Python a plus) for automation and monitoring • Strong collaboration skills to work closely with Developers, QA, and Oracle Support • Ability to work independently and handle production incidents under pressure • English level: Pre-Intermediate or higher Would be a plus: • Experience with Oracle GoldenGate for real-time data replication • Experience with document-oriented databases (Mongo/Percona, PostgreSQL ) • Exposure to cloud-based Oracle deployments (OCI, AWS RDS for Oracle, or Azure) • Oracle certifications (OCA/OCP