Oracle Database Administrator _2026

Talent Trader Group Pte Ltd; Kuala Lumpur; On-site; MYR 120,000 - 180,000; Full time

Job summary

Talent Trader Group Pte Ltd is seeking an experienced Oracle Database Administrator to manage and optimize Oracle databases across versions (11g/12c/19c/23c). The role covers maintenance, patching, migrations, and DR planning in hybrid environments, including on-premise and AWS.

You will ensure high availability and performance, tune SQL/PLSQL, and automate tasks using Bash scripts. A strong foundation in RMAN, ASM, AWR/ADDM, and AWS services is essential.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Computer Engineering, or a related field.
• 3–5 years of hands-on Oracle Database Administration experience, preferably in production environments.
• Strong knowledge of Oracle architecture: CDB/PDB, single-instance, backups, and patching.
• Experience with RMAN, ASM, Data Pump, AWR/ADDM, and PL/SQL.

Responsibilities

• Administer, maintain, and patch Oracle databases across versions (11g/12c/19c/23c).
• Ensure availability, security, and reliability in production environments.
• Manage storage with ASM and on-premise SAN in hybrid setups.
• Perform migrations using Data Pump, Transportable Tablespaces, and AWS DMS.
• Develop backups, recovery, and DR procedures using RMAN and AWS snapshots.
• Tune performance, analyze AWR/ADDM reports, and optimize SQL/PLSQL.
• Automate routine tasks with Bash and SQL/PLSQL scripts.
• Apply CPUs on RHEL systems and manage users/privileges in AWS IAM.

Skills

Troubleshooting

Analytical thinking

Independence

Team collaboration

Education

Bachelor's degree in CS/IT/CE

Tools

Oracle RMAN

ASM

Data Pump

AWR/ADDM

PL/SQL

SQL

Bash/shell scripting

RHEL

AWS (EC2, S3, IAM)

Job description

Administer, maintain, upgrade, and patch Oracle databases across multiple versions, including Oracle 19c, 23c, and legacy versions such as 11g and 12c.

Ensure database availability, stability, security, and reliability in production environments.

Database Storage and Infrastructure Management

Manage and optimize database storage using Oracle Automatic Storage Management (ASM) integrated with on-premises SAN storage systems.

Support Oracle databases running on physical servers, virtual machines, AWS EC2, and Amazon RDS Custom.

Monitor infrastructure health and optimize database resource utilization across hybrid environments.

Database Migration and Recovery

Perform database migrations across platforms and environments using Oracle Data Pump, Transportable Tablespaces, and AWS Database Migration Service (DMS).

Develop and maintain backup, recovery, and disaster recovery procedures using Oracle RMAN, storage-based backups, and AWS snapshots.

Conduct recovery testing to ensure business continuity and data integrity.

Performance Tuning and Automation

Monitor database performance, troubleshoot bottlenecks, and analyze AWR and ADDM reports.

Optimize SQL queries, PL/SQL code, and database configurations to improve performance.

Automate routine database administration tasks using Bash, SQL, and PL/SQL scripts.

Database Security and Patching

Apply Oracle Critical Patch Updates (CPUs) on Red Hat Enterprise Linux (RHEL) systems in accordance with established maintenance schedules.

Manage database users, roles, privileges, and access controls.

Implement appropriate access management practices in AWS environments using IAM.

Administer and maintain RHEL servers supporting Oracle databases.

Perform system monitoring, package management, user and permission configuration, troubleshooting, and routine server maintenance.

Optimize operating system performance and use shell scripting to automate administrative tasks.

Requirements and Qualifications

Bachelor's degree in Computer Science, Information Technology, Computer Engineering, or a related technical discipline.

3-5 years of hands-on experience in Oracle Database Administration, preferably supporting enterprise production environments.

Strong knowledge of Oracle database architecture, including single-instance databases and multitenant architecture (CDB/PDB).

Practical experience with Oracle database backup and recovery, performance tuning, database migration, and patching.

Familiarity with Oracle RMAN, ASM, Data Pump, AWR/ADDM, and PL/SQL.

Hands-on experience with AWS services such as EC2, S3, EBS, VPC, and IAM; exposure to Amazon RDS Custom and AWS DMS is an advantage.

Strong working knowledge of Red Hat Enterprise Linux (RHEL) and Bash or shell scripting.

Experience with on-premises SAN storage and hybrid database infrastructure is preferred.

Strong troubleshooting, analytical, and problem-solving skills, with the ability to work independently and collaborate effectively with technical teams.