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Senior Oracle Database Administrator

Ringcentral · Bangalore, India

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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