Oracle Database Administrator

Roles & Responsibilities

We are looking an experienced Oracle Database Administrator (DBA) to manage, maintain, and optimize our mission-critical databases. The candidate will have a strong background in Oracle, SQL Server, and MariaDB/MySQL administration, including performance tuning, backup/recovery, high availability, and security.

Key Responsibilities:

• Install, configure, and upgrade Oracle 11g, 12c and 19c and if any experience in MariaDB/MySQL database is added advantage.
• Administer production and non-production databases, ensuring high availability and performance.
• Monitor database health, identify bottlenecks, and implement performance tuning (SQL tuning, indexing, query optimization).
• Manage database backup, recovery, disaster recovery (DR), and high availability (Oracle RAC, Data Guard, ASM, SQL Server Always On, MariaDB Replication/Clustering).
• Implement database security, user management, and auditing in line with compliance standards.
• Plan and execute database patching, upgrades, and migrations with minimal downtime.
• Collaborate with application teams to design efficient database schemas and optimize queries.
• Troubleshoot database issues, analyze root causes, and provide timely resolutions.
• Develop and maintain scripts for automation of routine tasks.
• Provide 24x7 support for production systems on a rotational basis.

Required Skills & Qualifications:

• Minimum 5+ years hands-on experience in Oracle database administration.
• Strong expertise in Oracle RAC, ASM, and Data Guard.
• knowledge of MariaDB/MySQL replication, clustering, and HA/DR configurations is advantage.
• Proficiency in backup and recovery using RMAN, SQL native tools, and mariabackup.
• Expertise in performance tuning, query optimization, and storage engine management (InnoDB, MyISAM).
• Knowledge of database security best practices and auditing.
• Familiarity with UNIX/Linux environments and shell scripting.