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Oracle DBA

  • Saint Louis, Missouri

Oracle DBA

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 tablespaces, datafiles, redo logs, control files, and storage growth 
  • Perform routine maintenance activities such as space management and housekeeping 

Backup & Recovery 

  • 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 

Performance Monitoring & Tuning 

  • 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 

High Availability & Disaster Recovery 

  • 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 

Security & Compliance 

  • 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 

Upgrades, Patch & Migration 

  • 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 

Production Support 

  • 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 

Roles & Responsibilities

  • Install, configure, and administer Oracle databases (11g, 12c, 19c) in development, test, UAT, and production environments 
  • Perform day‑to‑day database administration including creation, configuration, cloning, and deletion 
  • 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: tablespaces, 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,

Pavan Alluru

Recruitment Team | Polar IT Services

T: (443)-489-4422 | WhatsApp : (443)-489-4422

alluru@polarits.com | www.polarits.com   

6095 Marshalee Dr, Suite 250, Elkridge, MD 21075