Senior Oracle Core DBA

We are seeking an experienced Senior Oracle Core DBA with a background in Oracle Database administration, high availability, disaster recovery, database performance optimization and replication technologies. The ideal candidate should have hands‑on experience managing mission‑critical production environments and be capable of independently implementing upgrading, troubleshooting, and supporting Oracle database infrastructure. Experience with MySQL administration and clustering is also required.

• Install, configure, administer, upgrade and maintain Oracle Database environments
• Manage Oracle RAC environments including installation, administration, monitoring, and troubleshooting
• Design, implement, and administer Oracle Data Guard Physical Logical Standby for Disaster Recovery
• Configure, administer, and troubleshoot Oracle Golden Gate Classic Architecture and Microservices Architecture
• Perform database performance tuning using AWR, ASH, ADDM, SQL Tuning Advisor and execution plan analysis
• Monitor and optimize SQL performance, database resources, memory, storage and I/O
• Perform Oracle database patching Release Updates RU upgrades and migration activities
• Execute backup and recovery using RMAN and validate recovery procedures
• Perform database cloning, Data Pump export import and database refresh activities
• Administer ASM, Oracle Clusterware, Oracle Grid Infrastructure and Oracle Restart environments
• Install, configure, administer and troubleshoot MySQL databases
• Implement and manage MySQL Replication and MySQL Cluster solutions
• Develop automation scripts using Shell SQL or Python to simplify routine DBA activities
• Perform root cause analysis for database incidents and implement preventive measures
• Work closely with application, infrastructure and security teams during project implementation and production support
• Maintain technical documentation, operational procedures and disaster recovery documentation
• Participate in planned maintenance activities and provide on‑call support when required

• Oracle Database 11g, 12c, 19c and 23i/26i
• Oracle RAC
• Oracle ASM
• Oracle Clusterware
• Oracle Grid Infrastructure
• Oracle Restart
• High Availability / Disaster Recovery
• Oracle Data Guard, Data Guard Broker Fast‑Start Failover (FSFO)
• Replication
• Oracle Golden Gate Classic Architecture
• Oracle Golden Gate Microservices Architecture
• MySQL
• MySQL Administration
• MySQL Replication
• MySQL InnoDB Cluster
• NDB Cluster
• MySQL Cluster
• Backup and Recovery
• Performance Monitoring
• Performance Tuning, SQL Tuning, AWR, ASH, ADDM, OEM Cloud Control, RMAN

• Bachelor’s degree in computer science, Information Technology, or a related field.
• Minimum 8 years of hands‑on experience as an Oracle Core DBA.
• Strong experience supporting mission‑critical production environments.
• Experience in Oracle database upgrades, migrations, patching, and high‑availability solutions.
• Experience administering both Oracle and MySQL database environments.
• Preferred
  
  Certifications:
  
  Oracle Certified Professional (OCP)
• Preferred
  
  Certifications:
  
  Oracle Certified Master (OCM) – Preferred
• Preferred
  
  Certifications:
  
  Oracle Cloud Infrastructure (OCI) Certification – Preferred
• Preferred
  
  Certifications:
  
  MySQL Database Administrator Certification – Preferred

• Excellent verbal and written communication skills.
• Strong analytical and problem‑solving abilities.
• Good team player with the ability to collaborate across cross‑functional teams.
• Ability to work independently with minimal supervision.
• Strong customer focus and commitment to service excellence.
• Ability to manage multiple priorities in a fast‑paced production environment.
• Willingness to provide on‑call and after‑hours support during critical activities.