Senior Oracle Database Administrator (Oracle DBA)

Senior Oracle Database Administrator

Capstone IT is partnering with one of the nation's leading retail organizations to identify a Senior Oracle Database Administrator who will support highly available, enterprise Oracle environments powering mission-critical retail operations.

This is an opportunity to join a mature infrastructure team responsible for the reliability, performance, and scalability of large Oracle database platforms supporting thousands of users across the enterprise. You'll play a key role in database administration, performance optimization, disaster recovery, automation, and continuous improvement initiatives.

This position is structured as a six-month contract-to-hire to support an accelerated hiring process. Candidates may work remotely during the contract engagement but must be willing to relocate to Springfield, Missouri within six months of converting to a full-time employee. Relocation assistance is available.

What You'll Do

• Administer large-scale Oracle 19c production databases supporting critical enterprise applications
• Install, configure, patch, upgrade, and maintain Oracle environments using OPatch and Oracle Release Updates (RUs)
• Manage Oracle RAC, Grid Infrastructure, Clusterware, ASM, and Oracle Multitenant (CDB/PDB) environments
• Design, implement, and support Oracle Data Guard solutions, including switchover and failover operations
• Develop and execute high availability, disaster recovery, backup, and recovery strategies using RMAN
• Monitor and optimize database performance utilizing AWR, ASH, ADDM, SQL Trace, execution plans, and SQL Plan Management
• Tune SQL, PL/SQL, indexes, partitioning strategies, optimizer statistics, memory allocation, and storage utilization
• Administer Oracle Enterprise Manager (OEM) Cloud Control and enterprise monitoring solutions
• Automate routine database administration tasks using Bash, SQL
  * Plus, SQLcl, Python, Perl, or similar scripting tools
• Support database cloning, refreshes, migrations, upgrades, and provisioning activities
• Manage database security, auditing, user access, roles, privileges, and compliance with enterprise security standards
• Troubleshoot complex production issues involving locking, wait events, concurrency, networking, replication, and performance bottlenecks
• Participate in on-call production support while maintaining high availability and service level objectives
• Partner closely with infrastructure, application development, security, and operations teams to deliver reliable database services
• Contribute to operational documentation, disaster recovery procedures, automation initiatives, and mentoring of junior DBAs

What We're Looking For

• Extensive experience administering Oracle Database 19c within large, enterprise production environments
• Deep expertise with Oracle RAC, Grid Infrastructure, Clusterware, ASM, and Data Guard
• Strong experience with RMAN backup and recovery, including point-in-time recovery and database duplication
• Advanced Oracle performance tuning experience using AWR, ASH, ADDM, SQL Trace, execution plans, and SQL Plan Management
• Strong SQL and PL/SQL performance tuning skills
• Experience administering Oracle Enterprise Manager (OEM) Cloud Control
• Solid Linux administration skills with experience developing automation through Bash, Python, Perl, Power Shell, or similar scripting languages
• Experience supporting Oracle Multitenant architecture (CDB/PDB)
• Knowledge of Oracle networking including Oracle Net, Listeners, and TNS configuration
• Experience with Oracle Flashback technologies, Resource Manager, and memory optimization (SGA, PGA, Huge Pages)
• Familiarity with Oracle Golden Gate and enterprise database migration strategies is highly preferred
• Experience supporting virtualized or cloud-hosted Oracle environments including Oracle Cloud Infrastructure (OCI), AWS, Azure, or VMware
• Strong understanding of high availability, disaster recovery, business continuity, and enterprise change management practices
• Excellent troubleshooting, analytical, communication, and documentation skills
• Experience supporting environments with stringent uptime requirements (99.99% availability or greater)

Why Join?

• Opportunity to support one of the largest Oracle environments in the retail industry
• Enterprise-scale infrastructure with modern high availability and disaster recovery technologies
• Long-term career opportunity through a contract-to-hire engagement
• Collaborative engineering culture with opportunities to influence automation and operational best practices
• Relocation assistance available upon conversion to full-time employment