Senior DB Lead for Security, Performance & HA

JOBSTER PRIVATE LTD.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

JOBSTER PRIVATE LTD. is seeking an experienced Database Administrator to maintain secure, high-performing database environments for business-critical applications in Singapore.

You will lead design, administration, optimization, and support across Oracle, SQL Server, MySQL, PostgreSQL, and other technologies. Responsibilities include monitoring health and performance, performing installations and upgrades, implementing backups and DR, optimizing queries, ensuring security and compliance, and

Responsibilities

• Responsible for keeping an organization's database environments secure, stable, high-performing, and available for business-critical applications.
• Able to lead the design, administration, optimization, and support of enterprise database platforms while working closely with infrastructure, applications, security, and business teams.
• Manage, maintain, and support enterprise database systems in production, test, and development environments
• Administer database platforms such as Oracle, Microsoft SQL Server, MySQL, PostgreSQL, or other relevant technologies
• Monitor database health, performance, storage, availability, and capacity
• Perform database installation, configuration, patching, upgrades, and migration activities
• Troubleshoot and resolve database incidents, outages, and performance issues
• Implement backup, recovery, and disaster recovery procedures to protect business data
• Optimise SQL queries, indexing, and overall database performance
• Ensure database security, access control, encryption, and compliance with internal policies and regulatory requirements
• Support high availability solutions such as clustering, replication, failover, and standby environments
• Work with application and infrastructure teams to support system integration, deployments, and release activities
• Create and maintain technical documentation, operational procedures, and runbooks
• Provide technical leadership, mentorship, and guidance to junior DB administrators and project teams
• Participate in on-call support, incident response, and problem management as required

Job description

JOBSTER PRIVATE LTD. is seeking an experienced Database Administrator to maintain secure, high-performing database environments for business-critical applications in Singapore.

You will lead design, administration, optimization, and support across Oracle, SQL Server, MySQL, PostgreSQL, and other technologies. Responsibilities include monitoring health and performance, performing installations and upgrades, implementing backups and DR, optimizing queries, ensuring security and compliance, and