Sr. Oracle DBA

Role: Sr. Oracle DBA Consultant Location: McKinney, TX Contract: 12 - 24 Months Work Arrangement: Onsite Note: For this role client is looking for only permanent residence

Experience: 10+ Years
Job Summary:
We are seeking a highly experienced Senior Oracle DBA Consultant with 10+ years of hands-on experience in Oracle database administration, architecture, performance tuning, high availability, disaster recovery, and enterprise database management. The ideal candidate will have extensive experience supporting large-scale, mission-critical Oracle environments and working within secure/government environments.
Key Responsibilities:

• Design, implement, administer, and maintain large-scale Oracle databases across development, test, staging, and production environments.
• Perform Oracle database installation, configuration, upgrades, patching, migration, and maintenance.
• Monitor database performance, availability, capacity, and overall health.
• Perform advanced Oracle Performance Tuning, SQL tuning, indexing, query optimization, and database troubleshooting.
• Configure and manage Oracle RAC, Data Guard, ASM, and other high-availability technologies.
• Develop and maintain Backup & Recovery strategies using RMAN and related Oracle technologies.
• Implement and support Disaster Recovery (DR) and Business Continuity solutions.
• Troubleshoot complex database performance, connectivity, replication, and production issues.
• Perform database migrations, upgrades, consolidations, and environment refreshes.
• Develop automation scripts using Shell/Unix scripting, SQL, and PL/SQL.
• Manage database security, user accounts, roles, privileges, auditing, and access controls.
• Work closely with application, infrastructure, security, development, and DevOps teams to resolve database-related issues.
• Support database releases, deployments, change management, and production implementations.
• Establish and maintain database standards, documentation, operational procedures, and technical runbooks.
• Participate in on-call and production support activities as required.
• Ensure database environments comply with applicable security, compliance, and government standards.

Required Skills & Qualifications:

• 10+ years of Oracle Database Administration experience.
• Strong hands-on expertise with Oracle Database 12c/18c/19c/21c or equivalent enterprise Oracle environments.
• Strong knowledge of Unix/Linux operating systems.
• Experience with Shell/Bash scripting and database automation.
• Strong understanding of database architecture, storage, memory management, and networking.
• Experience supporting high-volume, highly available, mission-critical databases.
• Strong troubleshooting and problem-solving skills.
• Excellent communication and documentation skills.
• Ability to work independently and collaborate with cross-functional technical teams.