Oracle Database Administrator

2 weeks ago


Singapur, 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



  • Singapur, Singapore Oracle Full time

    Get AI-powered advice on this job and more exclusive features. Are you looking to apply your skills contributing to a next generation of Database cloud services? Are you calm and collected when others panic under pressure? Do you get a thrill from solving really tough problems? Do you light up in conversations about uptime, horizontal scalability,...


  • Singapur, Singapore Unison Consulting Pte Ltd Full time

    Experiences, Education and Professional Qualification To have some experience working with the below products. Oracle Databases (EBS & Non EBS Databases) Oracle Enterprise Manager Oracle Application Server Oracle e-Business Suite Oracle Golden Gate / Label Security / Data Masking / Oracle encryption Oracle SOA / Web logic Other Oracle related Product PL/SQL...


  • Singapur, Singapore HCLTech Full time

    Deputy Manager - Talent Acquisition Growth Markets, APME at HCLTech We are seeking a skilled and proactive Oracle Database Administrator (DBA) to manage, optimize, and secure our enterprise-grade database infrastructure. The ideal candidate will have strong hands-on experience with Oracle Databases, Oracle Middleware, cloud platforms (OCI/AWS), and DevOps...


  • Singapur, Singapore HCL SINGAPORE PTE. LTD. Full time

    We are seeking a skilled and proactive Oracle Database Administrator (DBA) to manage, optimize, and secure our enterprise-grade database infrastructure. The ideal candidate will have strong hands‑on experience with Oracle Databases, Oracle Middleware, cloud platforms (OCI/AWS), and DevOps tools including Kubernetes. Experience with Oracle Applications is a...


  • Singapur, Singapore CLPS Global Full time

    Job Summary 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. Job Responsibilities Install,...


  • Singapur, Singapore ScienTec Consulting Full time

    About this role We’re hiring an experienced Database Administrator to drive innovations in database infrastructure for high‑availability applications. If you have hands‑on experience with open‑source databases such as PostgreSQL, MySQL, or MS SQL, and are passionate about performance tuning and cloud architecture (especially Oracle and AWS RDS), we...


  • Singapur, Singapore Quess Singapore Full time

    Overview Team Lead - Recruitment at Quess Singapore | CEI Certified | Ex-Deloitte & Saint-Gobain Salary: Up to 8.5K SGD (depending on experience and skills) Key Responsibilities Install, configure, and upgrade Oracle 19c, SQL Server 2019, and 2022; exposure to MariaDB/MySQL database is an added advantage. Administer production and non-production databases,...


  • Singapur, Singapore PERSOLKELLY SINGAPORE PTE. LTD. Full time

    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...


  • Singapur, Singapore PERSOL SINGAPORE PTE. LTD. Full time

    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...


  • Singapur, Singapore AVATAR TECHNO SERVICES PTE. LTD. Full time

    Job Description & Requirements Responsibilities Manage and administer Oracle databases (versions 12c, 19c, and newer) in production and development environments. Perform advanced database performance tuning, query optimization, and index management. Design and implement high availability (HA), disaster recovery (DR), and backup strategies (RMAN, Data Guard)....