Senior Cloud DBA: Oracle, MySQL, PostgreSQL & DB2 on AWS

OPENSOURCE PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

OPENSOURCE PTE. LTD. seeks an experienced Database Administrator to manage Oracle, MySQL, PostgreSQL and IBM DB2 databases across AWS and on-prem environments. You will handle RAC/Data Guard setups, backup, recovery, security, and high availability while supporting deployment and incident response.

The role requires strong Oracle, MySQL, PostgreSQL and DB2 expertise, plus experience with AWS RDS/Aurora and EC2 deployments. Expect DR planning and performance tuning as part of daily duties.

Qualifications

• Extensive experience administering Oracle, MySQL, PostgreSQL and IBM DB2 databases.
• Hands-on AWS RDS/Aurora and EC2 deployments with DR and failover configurations.
• Proficient in backup, recovery, patching, tuning and security hardening.

Responsibilities

• Administer and support Oracle, MySQL, PostgreSQL and IBM DB2 databases across on-prem and AWS.
• Manage AWS RDS and EC2-based database services with high availability.
• Perform installation, upgrades, patching and maintenance tasks.
• Monitor performance, capacity, backups, DR testing, and security controls.
• Support production deployments, incidents, and change requests.

Skills

Oracle DBA

MySQL

PostgreSQL

IBM DB2

RAC/Data Guard

AWS RDS/Aurora

SQL tuning

High availability

Security controls

Backup & recovery

Tools

Oracle RMAN

DB2 on EC2

AWS IAM/Secrets Manager

Linux administration

Job description

OPENSOURCE PTE. LTD. seeks an experienced Database Administrator to manage Oracle, MySQL, PostgreSQL and IBM DB2 databases across AWS and on-prem environments. You will handle RAC/Data Guard setups, backup, recovery, security, and high availability while supporting deployment and incident response.

The role requires strong Oracle, MySQL, PostgreSQL and DB2 expertise, plus experience with AWS RDS/Aurora and EC2 deployments. Expect DR planning and performance tuning as part of daily duties.