Database Administrator (AWS)

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

Job summary

PERSOL SINGAPORE PTE. LTD. seeks an experienced Database Administrator to manage Oracle, MySQL, PostgreSQL, and IBM DB2 across production and non-production environments in Singapore.

The role covers administering AWS RDS/Aurora databases, performing setup, upgrades, patching, backups, and disaster recovery testing, and ensuring high availability with RAC/Data Guard and HADR. Collaborative DB ops with infra, security and licensing teams is essential.

Qualifications

• Hands-on experience administering Oracle Database 19c.
• Experience with Oracle RAC, Data Guard, and ASM.
• RMAN backup and recovery experience
• Hands-on experience with AWS RDS/Aurora MySQL
• Experience administering MySQL databases hosted on AWS EC2.
• Hands-on PostgreSQL experience (prefer PostgreSQL 17)
• Experience with CloudWatch monitoring and alerting
• Working knowledge of AWS KMS, Secrets Manager, and IAM

Responsibilities

• Administer Oracle, MySQL, PostgreSQL, and IBM DB2 databases across production and non-production environments
• Manage AWS RDS/Aurora databases, including Oracle, MySQL, and PostgreSQL
• Administer MySQL and DB2 databases hosted on AWS EC2/Linux environments
• Perform database installation, configuration, upgrades, patching, maintenance, and troubleshooting
• Monitor database availability, performance, capacity, and resource utilization
• Perform database backup, recovery, restore testing, and disaster recovery activities
• Support high-availability and DR solutions, including Oracle RAC/Data Guard and DB2 HADR.
• Perform database and SQL performance tuning and troubleshoot database-related performance issues
• Manage database users, roles, privileges, authentication, and security controls
• Conduct database vulnerability assessment, security patching, and remediation activities
• Support IBM ILMT activities, including software inventory, license usage, compliance documentation, and audit requirements
• Work closely with infrastructure, application, security, and licensing teams on database operations and compliance matters

Skills

Oracle Database

Oracle RAC/Data Guard

RMAN backup

MySQL

PostgreSQL

AWS RDS/Aurora

DB2

SQL tuning

Security controls

Vulnerability assessment

Tools

AWS EC2

CloudWatch

IAM

KMS

Secrets Manager

Job description

Responsibilities

• Administer and support Oracle, MySQL, PostgreSQL, and IBM DB2 databases across production and non-production environments
• Manage AWS RDS/Aurora databases, including Oracle, MySQL, and PostgreSQL
• Administer MySQL and DB2 databases hosted on AWS EC2/Linux environments.
• Perform database installation, configuration, upgrades, patching, maintenance, and troubleshooting
• Monitor database availability, performance, capacity, and resource utilization
• Perform database backup, recovery, restore testing, and disaster recovery activities
• Support high-availability and DR solutions, including Oracle RAC/Data Guard and DB2 HADR.
• Perform database and SQL performance tuning and troubleshoot database-related performance issues
• Manage database users, roles, privileges, authentication, and security controls
• Conduct database vulnerability assessment, security patching, and remediation activities
• Support IBM ILMT activities, including software inventory, license usage, compliance documentation, and audit requirements
• Work closely with infrastructure, application, security, and licensing teams on database operations and compliance matters

Requirements

• Hands-on experience administering Oracle Database 19c
• Experience with Oracle RAC, Data Guard, and ASM.
• RMAN backup and recovery experience
• Hands-on experience with AWS RDS/Aurora MySQL
• Experience administering MySQL databases hosted on AWS EC2.
• Hands-on experience administering PostgreSQL databases, preferably PostgreSQL 17
• Experience with Amazon CloudWatch monitoring and alerting
• Working knowledge of AWS KMS, Secrets Manager, and IAM