Senior Database Administrator (MSSQL & MongoDB)

1. 24/7 Production Database Operations

• 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:

• Database outages
• Always On failover issues
• Blocking / deadlocks
• Performance bottlenecks
• Storage / IOPS constraints
• Perform root cause analysis
• (RCA) and impleme nt preventive measures.

2. High Availability & Reliability Management

Microsoft SQL Server (MSSQL)

• Manage Always On Availability Groups.
• Monitor replication and failover health.
• Perform database patching and cumulative updates.
• Maintain backup and restore strategy (Full, Differential, Log backups).
• Conduct periodic DR drills and restoration validation.
• Optimize indexing strategies and execution plans.

MongoDB

• Manage Replica Sets and automatic failover.
• Monitor memory, disk, and index performance.
• Manage backup/restore and periodic recovery validation.
• Maintain cluster health and shading (if applicable).

3. Performance & Capacity Management

• Conduct proactive health checks.
• Query execution plans (MSSQL)
• Slow queries and indexing (MongoDB)
• Perform database tuning and optimization.
• Forecast capacity growth and scaling requirements.

4. Change & Release Support
Review database scripts prior to production deployment.
Support data migration and release windows.
Validate database stability post-deployment.
Ensure proper rollback and recovery procedures are in place.

5. Security & Compliance (Government Environment)

• Implement database security hardening.
• Role-based access control
• Auditing and logging
• Support vulnerability assessment (VA) remediation.
• Ensure compliance with government security policies.
• Maintain proper documentation and SOPs for audit readiness.

Technical Requirements

• 5–8+ years of DBA experience.
• Strong hands-on experience in Microsoft SQL Server (Always On, HA, Performance Tuning), MongoDB (Replica Sets, Backup/Restore)
• Experience supporting 24/7 mission-critical systems.
• Experience handling Severity 1 production incidents.
• Experience in supporting application deployment (data patching, data seed etc.) 
• Strong troubleshooting and analytical skills.