Senior Database Engineer: Oracle, Cloud & Multi-DBs

Singtel; Singapore; On-site; Confidential; Full time

Job summary

Singtel is building an AI-first telco for the future, seeking a seasoned Oracle database administrator. You will manage day-to-day DB operations, including RAC/Cluster environments, RMAN backups, Data Guard DR, and performance tuning.

The role requires strong security hardening, wallet management, and 24x7 incident responsiveness. Ideal candidates hold a Bachelor’s in CS and Oracle Certification, with 3+ years of Oracle experience and exposure to MSSQL, MySQL, PostgreSQL or MongoDB.

Qualifications

• Bachelor degree in Computer Science or equivalent.
• Oracle Professional Certification.
• Minimum 3 years of Oracle experience (Standalone + RAC/Cluster).
• Experience with MS SQL / MySQL / EDB / PostgreSQL / MongoDB; preferably with cluster architectures.
• Patching, backup & recovery, plus performance tuning expertise.
• Knowledge of CIS Benchmarks for database hardening.
• Experience in DR, Audit, Backup & Monitoring of DBs.
• Willingness to provide 24x7 support and shift rosters.

Responsibilities

• Manage day-to-day database administration to meet business needs and SLAs (on‑prem & cloud).
• Handle RMAN backups, DG/DR activities and performance tuning.
• Implement security hardening, encryption and wallet management.
• Carry out database patching and crisis incident response.
• Monitor availability and space, perform regular backups and DR readiness.
• Create and maintain database related documentation and deployments.

Skills

Oracle database

Database performance tuning

Incident management

Security hardening

24x7 support mindset

Education

Bachelor's Degree in Computer Science or equivalent

Oracle Professional Certification

Tools

Oracle RAC

RMAN

DG/DR (Data Guard)

PostgreSQL, MSSQL, MySQL, MongoDB exposure

Job description

Singtel is building an AI-first telco for the future, seeking a seasoned Oracle database administrator. You will manage day-to-day DB operations, including RAC/Cluster environments, RMAN backups, Data Guard DR, and performance tuning.

The role requires strong security hardening, wallet management, and 24x7 incident responsiveness. Ideal candidates hold a Bachelor’s in CS and Oracle Certification, with 3+ years of Oracle experience and exposure to MSSQL, MySQL, PostgreSQL or MongoDB.