Senior Oracle Database Administrator - RAC, Data Guard and Performance Tuning

Senior Oracle Database Administrator - RAC, Data Guard and Performance Tuning Job Snapshot
- Role:
Senior Oracle Database Administrator

- Location:

Abu Dhabi, United Arab Emirates
- Industry: I T and Services
- Function:
Database Administration

- Experience:

10 years
- Job Type: Full Time
- Work Arrangement:
On-site

Dicetek LLC is seeking a highly experienced Senior Oracle Database Administrator (DBA) for a full-time, on-site position in Abu Dhabi, United Arab Emirates. The role requires extensive hands-on expertise in administering, maintaining and optimizing mission-critical Oracle database environments supporting large enterprise applications. The successful candidate will be responsible for Oracle database administration, high availability, disaster recovery, performance tuning, database maintenance and production troubleshooting across high-volume Online Transaction Processing (OLTP) and Data Warehouse environments.

Candidates must have at least 10 years of Oracle Database Administration experience, with strong technical knowledge of Oracle Real Application Clusters (RAC), Automatic Storage Management (ASM), Recovery Manager (RMAN), Data Guard Broker, Flashback technologies and Oracle Enterprise Manager. The position requires an experienced database professional capable of independently diagnosing complex production issues, restoring services, performing root-cause analysis and implementing sustainable improvements to database reliability, scalability and performance.

Country:
United Arab Emirates
- City:
Abu Dhabi
- Industry: I T and Services
- Function:
Database Administration
- Salary:
Not disclosed
- Gender: No Preference
- Candidate Nationality:
Not specified
- Job Type: Full Time
- Work Arrangement:
On-site

• Administer, maintain and support mission-critical Oracle database environments.
• Manage Oracle RAC, ASM, RMAN and Oracle Data Guard configurations using Data Guard Broker.
• Monitor database health, availability, resource utilization and operational performance.
• Support high-volume OLTP systems and large enterprise Data Warehouse databases.
• Perform routine database administration, configuration and maintenance activities.
• Use Oracle Enterprise Manager to monitor and manage database environments.
• Maintain reliable database operations across complex enterprise production systems.

• Monitor, diagnose and optimize database, SQL and system performance.
• Perform advanced performance analysis using Automatic Workload Repository (AWR), Active Session History (ASH) and Automatic Database Diagnostic Monitor (ADDM).
• Analyse SQL execution plans and database wait events to identify performance bottlenecks.
• Investigate inefficient queries, resource contention and database processing delays.
• Review indexing strategies, table partitioning and optimizer statistics to improve database performance.
• Support performance optimization for high-volume transactional workloads and large Data Warehouse environments.
• Recommend improvements to database configuration, resource utilization and query execution efficiency.

• Independently investigate and resolve complex Oracle database production incidents.
• Diagnose database failures, performance degradation and availability issues.
• Restore affected database services and support operational recovery.
• Conduct detailed technical Root Cause Analysis (RCA) for critical incidents.
• Identify recurring database problems and implement corrective and preventive actions.
• Collaborate with application, infrastructure and engineering teams during production incidents.
• Take end-to-end ownership of assigned database issues with minimal supervision.