Oracle Database Administrator

2 days ago

Singapore Percept Solutions Pte. Ltd. Full time

Percept Solutions Pte. Ltd. – Central Singapore 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 have experience with MariaDB/MySQL. 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 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. EA Licence No.:18S9405 / EA Reg. No.:R Percept Solutions is expanding and actively seeking talented individuals. We encourage applicants to follow Percept Solutions on LinkedIn at to stay informed about new opportunities and events. #J-18808-Ljbffr

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