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Cybersecurity

Senior Oracle Core DBA

Confidential Company
Abu Dhabi, UAE Listed 1 month ago via Naukrigulf
python sql mysql oracle security microservices

Job Overview

Company Industry IT - Software Services
Department / Functional Area DBADatawarehousing (IT Software)

We are seeking an experienced Senior Oracle Core DBA with a strong 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. Key Responsibilities 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 GoldenGate (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.

Desired Candidate Profile

Required Qualifications 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) Oracle Certified Master (OCM) – Preferred Oracle Cloud Infrastructure (OCI) Certification – Preferred MySQL Database Administrator Certification – Preferred Soft Skills 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. Employment Type Full-time

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  • CompanyConfidential Company
  • LocationAbu Dhabi, UAE
  • CategoryCybersecurity
  • SourceNaukrigulf
  • Listed1 month ago

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