Operations DBA - MSSQL & MongoDB (24/7 Availability)

Ascendion Engineering Solutions Singapore Pte. Ltd; Singapore; On-site; SGD 90,000 - 120,000; Full time

Job summary

Ascendion Engineering Solutions Singapore Pte. Ltd is seeking an experienced Operations DBA to ensure 24/7 production stability for MSSQL and MongoDB in a secured government environment.

The role focuses on high availability, incident response, performance tuning, and DR readiness across SQL Server and MongoDB platforms. The role requires strong troubleshooting, root-cause analysis, and the ability to manage on-call rotations and deployment-related changes while maintaining strict security

Qualifications

• 5–8+ years of DBA experience in production environments.
• Strong hands-on experience in MSSQL Always On, high availability, and performance tuning.
• MongoDB replica sets, backup/restore operations.

Responsibilities

• Provide L2/L3 support for MSSQL and MongoDB in Production and DR environments. Participate in standby/on-call roster for critical incidents. Troubleshoot and resolve outages, blocking/deadlocks, performance bottlenecks, and storage/IOPS constraints.
• Manage Always On Availability Groups, monitor replication and failover health, perform patching, backups, and restore strategy, and conduct DR drills with validation.
• Conduct proactive health checks, analyze query plans and slow queries, perform database tuning and capacity forecasting.
• Review database changes prior to production deployment, support data migrations and release windows, ensure rollback procedures.

Skills

Microsoft SQL Server

MongoDB

Job description

Ascendion Engineering Solutions Singapore Pte. Ltd is seeking an experienced Operations DBA to ensure 24/7 production stability for MSSQL and MongoDB in a secured government environment.

The role focuses on high availability, incident response, performance tuning, and DR readiness across SQL Server and MongoDB platforms. The role requires strong troubleshooting, root-cause analysis, and the ability to manage on-call rotations and deployment-related changes while maintaining strict security