Senior Oracle DB Architect — RAC, Data Guard & DR

AmBank Group; Petaling Jaya; On-site; MYR 180,000 - 320,000; Full time

Job summary

AmBank Group in Malaysia seeks a senior Oracle DBA to architect, engineer, and sustain highly available Oracle environments for mission-critical systems. You will lead RAC/Data Guard implementations, perform upgrades and migrations, automate tasks, and collaborate with infrastructure and application teams to ensure security and uptime.

The role demands deep ownership of clustered architectures, DR readiness, and ongoing optimization across UNIX/Linux platforms.

Qualifications

• Bachelor's degree in computer science, IT or related field.
• Professional certifications (OCP, OCM) are required.
• 8–12 years in Oracle DB administration with RAC/Data Guard.
• Proven experience in large-scale production environments, upgrades and migrations.
• Strong analytical and problem-solving skills; excellent communication.

Responsibilities

• Implement and manage Oracle RAC (multi-node) architecture with interconnect tuning and Data Guard.
• Architect Data Guard solutions including failover/switchover strategies and DR drills.
• Define high availability and disaster recovery strategies aligned with RTO/RPO.
• Lead complex database upgrades (11g/12c to 19c/21c/23c) with minimal downtime using RMAN and related tools.
• Execute cross-platform migrations (Unix to Linux, on-prem, cloud) and database consolidation.
• Act as L3/L4 escalation point for critical incidents; perform RCA and advanced troubleshooting.

Skills

Oracle RAC

Data Guard

High availability

Performance tuning

Shell scripting

Python

Ansible

Root cause analysis

Cross-team collaboration

Problem solving

Education

Bachelor's degree in Computer Science/IT

OCP

OCM

Tools

RMAN

NetBackup

Unix/Linux

Job description

AmBank Group in Malaysia seeks a senior Oracle DBA to architect, engineer, and sustain highly available Oracle environments for mission-critical systems. You will lead RAC/Data Guard implementations, perform upgrades and migrations, automate tasks, and collaborate with infrastructure and application teams to ensure security and uptime.

The role demands deep ownership of clustered architectures, DR readiness, and ongoing optimization across UNIX/Linux platforms.