Full Time Senior database administrator Jobs, Salary up to SGD 8,500 in HI5 CONSULTING SOLUTIONS PTE. LTD. Central Region (Singapore) - Maukerja

Job Role
We are looking for a Senior Database Administrator to manage and support mission-critical database environments.
You’ll own HA/DR, performance, security, and automation across SQL Server, Oracle, PostgreSQL, MySQL, MongoDB, and AWS RDS.

Job Responsibilities:

Manage enterprise Microsoft SQL Server, PostgreSQL, MySQL, Oracle, and MongoDB databases supporting transport systems and banking applications

Perform database installation, configuration, patching, upgrades, and production deployments
Support 24x7 production operations and SLA-driven incident management
High Availability & Disaster Recovery
 Administer SQL Server Always On Availability Groups, Failover Clustering, Log Shipping, Database Mirroring
Implement and test HA/DR solutions including Oracle replication technologies
Develop backup/recovery strategies, perform DR drills, validate business continuity procedures
Performance & Monitoring  Monitor database health, storage growth, performance bottlenecks, and system availability
Troubleshoot database incidents, connectivity issues, and application-related performance problems
Perform query optimization, execution plan analysis, and capacity planning
Security & Compliance  Implement database security hardening, access management, auditing, and compliance controls
Support vulnerability remediation and infrastructure modernization activities
Automation & Cloud  Automate database maintenance and monitoring using PowerShell, Shell scripting, and T-SQL
Support AWS RDS administration, monitoring, and backup management
Coordinate with infrastructure, middleware, and application teams for releases/deployments.

Required Skills & Experience
15+ years as DBA managing SQL Server, Oracle, PostgreSQL in production
Hands-on with Always On AG, Failover Clustering, Log Shipping, Oracle Data Guard/Replication
Strong backup/recovery, DR testing, and business continuity experience
Performance tuning, query optimization, execution plan analysis Scripting: PowerShell, Shell, T-SQL for automation AWS RDS administration and monitoring24x7 on-call support experience with strict SLAs
Knowledge of database security, auditing, compliance controls

Good to Have
Experience in banking/financial services environment
MongoDB administration
Infrastructure modernization and patch/vulnerability management