About the Role
We are looking for 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.
Responsibilities
- Install, configure, and upgrade 19c, SQL Server 2019, 2022 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.
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 an 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.
Required Skills
- Oracle RAC, ASM, and Data Guard.
- MariaDB/MySQL replication and clustering.
- Backup and recovery using RMAN and SQL native tools.
- Performance tuning and query optimization.
- Database security best practices.
- UNIX/Linux environments and shell scripting.
Preferred Skills
- Experience with MariaDB/MySQL database administration.
- Knowledge of high availability and disaster recovery configurations.
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