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

Opensource; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Opensource is seeking an experienced Database Administrator to manage Oracle, MySQL, PostgreSQL, and IBM DB2 databases across AWS cloud and on-prem environments. The role emphasizes Oracle RAC, Data Guard, ASM, RMAN backups, and high availability through DR strategies.

The ideal candidate will monitor performance, perform backups and recoveries, manage security and access, and support production deployments with a focus on reliability and compliance.

Qualifications

• Administration of Oracle 19c with RAC, Data Guard and ASM.
• Experience with RMAN backups and recovery strategies.
• Strong SQL tuning and performance optimization skills.

Responsibilities

• Administer and support Oracle, MySQL, PostgreSQL, and IBM DB2 databases.
• Manage AWS RDS Oracle, RDS/Aurora MySQL, and RDS PostgreSQL environments.
• Manage DB2 and MySQL databases hosted on AWS EC2.
• Perform installation, configuration, upgrades, patching and troubleshooting.
• Monitor availability, performance, capacity and resource utilization.
• Perform backup, recovery, restore testing, and DR activities.
• Manage users, roles, privileges, authentication, and security controls.
• Perform performance tuning and SQL optimization.
• Support production deployments, maintenance activities, incidents, and changes.

Skills

Oracle 19c

Oracle RAC

Data Guard

RMAN backup

SQL tuning

AWS RDS

Oracle patching

DR planning

Security hardening

Job description

Opensource is seeking an experienced Database Administrator to manage Oracle, MySQL, PostgreSQL, and IBM DB2 databases across AWS cloud and on-prem environments. The role emphasizes Oracle RAC, Data Guard, ASM, RMAN backups, and high availability through DR strategies.

The ideal candidate will monitor performance, perform backups and recoveries, manage security and access, and support production deployments with a focus on reliability and compliance.