Oracle Database Administrator

1 day ago

Cochin, Kerala, India Mastech Digital Full time

Position: Oracle Database Administrator

Location: Remote

Duration: Full Time and Full Time Contractors

Notice Period: Only Immediate Joiners/ Currently Serving Notice/ Notice is less than 30 days

Budget: 10-16 LPA for Full Time and 15-25 LPA for Contract (For Contract- No PF, No Gratuity, No leaves, No benefits)

Year of experience: 6-12 years

Key Responsibilities


• Performance Optimization & Tuning

o Analyze and resolve database bottlenecks affecting application/API performance.

o Tune SQL queries, PL/SQL packages, stored procedures, and indexes for optimal response times.

o Implement best practices for connection pooling, partitioning, and caching strategies.


• Application & Middleware Integration Support

o Work with API Gateway and custom orchestration teams to optimize database interaction patterns.

o Support GET/POST transaction flows from APIs into Oracle.

o Ensure efficient database design for web applications with high concurrency and SLA targets.


• On-Premise & Cloud Integration

o Manage data synchronization between on-prem Oracle and Fusion Cloud Oracle DB via OIC (Oracle Integration Cloud).

o Implement and support Pub/Sub mechanisms for customer data exchange.

o Monitor and troubleshoot replication/data transfer issues.


• Operational Excellence

o Proactively monitor system health, query execution plans, and workload statistics (AWR, ASH, ADDM).

o Provide root cause analysis and resolution for performance incidents.

o Partner with infrastructure DBAs for patching, backups, disaster recovery, and capacity planning.

o Develop and maintain documentation, standards, and runbooks for application database operations.

________________________________________

Qualifications & Skills


• 6–8 years of hands-on experience as an Oracle DBA, with emphasis on Application DBA responsibilities.


• Strong expertise in:

o Oracle 12c/19c performance tuning, indexing, partitioning, optimizer hints.

o SQL and PL/SQL development and debugging.

o AWR, ASH, ADDM, TKPROF, and other Oracle diagnostic/tuning tools.


• Experience supporting web applications, API-driven architectures, or middleware platforms.


• Familiarity with Oracle Integration Cloud (OIC) and Fusion Cloud database integration (Pub/Sub methodology preferred).


• Knowledge of high availability, scalability, and SLA management for mission-critical applications.


• Solid understanding of database security, auditing, and user access controls.


• Strong analytical skills and ability to work in cross-functional agile teams.


• Excellent communication skills to interact with application developers, architects, and operations teams.

________________________________________

Preferred/Bonus Skills


• Exposure to Oracle GoldenGate or other replication tools.


• Experience with API Gateway products (Apigee, Kong, Oracle API Gateway, etc.).


• Knowledge of containerization (Docker, Kubernetes) and DevOps pipelines for DB changes.


• Familiarity with monitoring tools (Oracle Enterprise Manager, Grafana, Prometheus).

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