L3 Oracle DBA with RAC

HCLTech
Full-time Singapore, SG.01 Other-General
Posted:
February 21, 2026
Location:
Singapore, SG.01, Singapore

Job Description

Role Summary
We are seeking an experienced L3 Oracle Database Administrator with deep expertise in Exadata, RAC, ASM, Dataguard, and advanced performance tuning. The ideal candidate will have strong production support experience in large, mission-critical environments and the ability to manage high-performance and high-capacity databases. This role requires strong technical troubleshooting skills, excellent communication, and the ability to collaborate across global teams.
Key Responsibilities
Provide L3 support for Oracle databases running on Exadata, ensuring high availability, optimal performance, and reliability.
Manage and administer Oracle RAC, ASM, Clusterware (GRID Infrastructure), and Dataguard environments.
Perform Exadata health checks, resource management, patching, upgrades, and platform migrations.
Troubleshoot and resolve complex database issues (Break/Fix) in a critical production environment.
Perform database performance tuning at both SQL and inst...

Apply for this Job

Submit your application for the L3 Oracle DBA with RAC position at HCLTech.

Apply Now Save for Later

Job Overview

Job Type: Full-time
Location: Singapore, Singapore
Posted: February 21, 2026
Deadline: April 02, 2026