Oracle Database Administrator
Percept Solutions Pte. Ltd.
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.
9000 - 10000 SGD
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