Job Purpose

To serve as the technical authority for Oracle database platforms, responsible for architecting, engineering and sustaining highly available, high performance, and secure Oracle environments support mission-critical systems. The role requires deep ownership of clustered and distributed database architectures, ensuring zero/near zero downtime operations through advanced configuration of Oracle RAC, Data Guard and replication technologies

The SME is expected to operate autonomously in complex production environments, lead major database lifecycle initiatives (upgrades, migration, re-platforming), and demonstrate good problem-solving skills & knowledge. Key Responsibilities

1. Implement and manage Oracle RAC (multi-node) architecture, including interconnect tuning, cache optimization and cluster stability and Data Guard architecture. 2. Architect Data Guard solutions (physical, logical, active DG), including failover/switchover strategies and DR drills

3. Define high availability and disaster recovery strategies aligned with RTO/RPO requirements.

4. Lead complex database upgrades (e.g 11g/12c -> 19c/21c/23c) with minimal downtime using tools like, RMAN,

Data Pump, Goldengate

5. Execute cross platform migrations (Unix to Linux, to on-prem cloud) & perform database consolidation and

re-platforming initiatives

6. Act as L3/L4 escalation point for critical incidents and perform advanced troubleshooting and root cause analysis

(RCA) for production incidents

7. Perform deep-dive performance diagnostics using AWR, ASH, SQL Tuning, Indexing strategies

8. Ensure high availability and disaster recover readiness

9. Support cross-platform databases (SQL Server, MySQL, PostgreSQL) when required

10. Automate routine DBA tasks using scripting (Shell, Python, Ansible)

11. Work closely with infrastructure and application teams on critical deployments.

Thorough working knowledge of the different versions of Oracle on UNIX or Linux operating systems.

13. Experience with deploying database security patches and remediation of database vulnerabilities. 14. Experience with performing backup and recovery with database utilities and backup tools (NetBackup)

15. Provide Technical consultation services to IT teams with regards to design, architecture and operations of new and existing database systems.

16. Manage the formulation and implementation strategies/plans of the database system while ensuring confidentiality, integrity & availability of the systems/Infrastructure.

17. Evaluate, recommend, research and development of database software technology, standards, upgrade path and technology improvement plans.

Qualifications & Skills (including mandated licenses where applicable)

A recognized bachelor’s degree in computer science, Information Systems Engineering or related subjects Degree in Computer Science/Information Technology or related qualifications

Professional Certifications (OCP,OCM)

Minimum 8 to 12 in Oracle database administration and minimum 5+ years hands on with RAC and Data Guard

Proven experience in large scale production environments, database upgrades and migrations

Strong analytical skills and attention to detail.

Excellent communication, presentation, and interpersonal skill with ability to influence and collaborate effectively across all levels within the bank.

High ethical standards and integrity, with the ability to handle sensitive and confidential information.

Experience supporting multi-database environments (SQL Server, MySQL, PostgreSQL & etc)

The following qualifications are considered as assets:

Knowledge of cloud computing technologies e.g HCS

Experienced with open-source databases specifically MongoDB, MariaDB, CockroachDB, Cassandra

1 Ambank Jobs in Damansara Jaya - November 2026 - High Salaries

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