Oracle DBA
Job in
St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listed on 2026-11-01
Listing for:
Polarits
Full Time
position Listed on 2026-11-01
Job specializations:
-
IT/Tech
Database Administrator, Disaster Recovery IT, Systems Administrator
Job Description & How to Apply Below
Location:
Saint Louis, Hybrid (must be in the Saint Louis area)
Must be on our W2
Must Have Technical/Functional Skills Database Administration- Install, configure, and maintain Oracle databases (11g / 12c / 19c) on Linux/Unix platforms
- Perform database creation, configuration, cloning, and decommissioning
- Manage table spaces, datafiles, redo logs, control files
, and storage growth - Perform routine maintenance activities such as space management and housekeeping
- Design and implement backup and recovery strategies using RMAN
- Perform database restores and recoveries (complete and point‑in‑time recovery)
- Test backup and recovery procedures regularly to ensure DR readiness
- Handle archive log management and retention policies
- Monitor database performance using AWR, ADDM, ASH, OEM
- Identify and resolve performance issues related to CPU, memory, I/O, SQL
- Tune SQL queries, indexing strategies, and optimizer statistics
- Manage Oracle initialization parameters for optimal performance
- Implement and support Oracle Data Guard (Physical / Logical Standby)
- Manage Oracle RAC environments for high availability
- Perform planned and unplanned failover and switchover operations
- Support DR drills and business continuity testing
- Manage database users, roles, profiles, and privileges
- Ensure database security standards and compliance requirements are met
- Implement auditing, password policies, and access controls
- Apply security patches and CPU updates
- Perform Oracle patching, PSU/CPU upgrades
, and version upgrades - Support database migrations across platforms or versions
- Coordinate with application and infrastructure teams during releases
- Follow change management and release processes
- Provide 24x7 on
‑
call support for production databases - Troubleshoot database incidents and perform root cause analysis
- Work with vendors and internal teams to resolve complex issues
- Maintain SOPs, runbooks, and operational documentation
- Install, configure, and administer Oracle databases (11g, 12c, 19c) in development, test, UAT, and production environments
- Monitor database health and availability; proactively identify and resolve issues
- Execute backup and recovery operations using RMAN, including restore and point‑in‑time recovery
- Manage database storage:
table spaces, datafiles, redo logs, archive logs, and control files - Ensure optimal database performance through SQL tuning, index management, statistics gathering, and parameter tuning
- Monitor and tune database resources using AWR, ADDM, ASH, OEM
, and performance views - Implement and support High Availability and Disaster Recovery solutions using Oracle RAC and Data Guard
- Perform Data Guard switchover and failover operations during planned and unplanned events
- Apply Oracle patches, CPUs, PSUs
, and perform version and platform upgrades - Support database migrations across environments and Oracle versions
- Manage database security
, including users, roles, privileges, profiles, and auditing - Ensure compliance with security standards, operational policies, and regulatory requirements
- Troubleshoot production incidents, perform root cause analysis, and implement preventive measures
- Coordinate with application, system, and network teams during deployments and outages
- Automate routine DBA tasks using shell scripting where applicable
- Maintain DBA documentation, SOPs, and operational runbooks
- Participate in 24x7 support and on
‑
call rotations for critical production systems.
Thanks & Regards,
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