Oracle DBA - Hybrid STL, 24x7 Production Support

Polarits; St. Louis (MO); Hybrid; USD 100,000 - 140,000; Full time

Job summary

Polarits is seeking an experienced Oracle DBA to join our Saint Louis team in a hybrid role. You will install, configure, and maintain Oracle databases (11g/12c/19c) on Linux/Unix, manage storage, and ensure high availability.

You will design backup and recovery strategies with RMAN, tune performance using AWR/ADDM/ASH, and support Data Guard and RAC deployments, while enforcing security and compliance across environments. On-call rotation is required.

Qualifications

• Experience administering Oracle databases on Linux/Unix.
• Proficient in RMAN backup and recovery strategies.
• Strong performance tuning and SQL optimization skills.
• Experience with Oracle Data Guard and RAC.
• Security and compliance with database access controls and patching.

Responsibilities

• Provide 24x7 on-call support for production databases.
• Troubleshoot database incidents and perform root cause analysis.
• Coordinate with application and infrastructure teams during releases.
• Maintain SOPs, runbooks, and operational documentation.
• Install, configure, and administer Oracle databases (11g, 12c, 19c) in development, test, UAT, and production environments.

Skills

Oracle DBA

SQL tuning

High availability design

Linux/Unix admin

Tools

RMAN

AWR/ADDM/ASH

Oracle RAC

Data Guard

Oracle OEM

Job description

Polarits is seeking an experienced Oracle DBA to join our Saint Louis team in a hybrid role. You will install, configure, and maintain Oracle databases (11g/12c/19c) on Linux/Unix, manage storage, and ensure high availability.

You will design backup and recovery strategies with RMAN, tune performance using AWR/ADDM/ASH, and support Data Guard and RAC deployments, while enforcing security and compliance across environments. On-call rotation is required.