Senior Database Administrator

About the role

The Senior Database Administrator (Level 9) at Cognizant's Technology & Engineering department in Bangalore, Karnataka, India, is responsible for operational support, maintenance, and optimization of enterprise SQL Server and MongoDB platforms. Day-to-day work includes monitoring, patching, performance tuning, capacity management, incident and change management, root cause analysis, HA/DR support, backup/recovery execution, automation scripting, and cross-layer troubleshooting across on-prem and cloud environments. The role requires independent work on complex systems and collaboration with engineering and stakeholders to improve stability and performance.

What you’ll do

• Administer and support enterprise SQL Server and MongoDB environments across distributed infrastructure
• Perform day-to-day operational support including monitoring, patching, performance tuning, and capacity management
• Actively participate in incident, problem, and change management processes
• Lead root cause analysis (RCA) and implement preventative solutions
• Support high availability (HA) and disaster recovery (DR) solutions (AGs, clustering, replica sets, sharding)
• Execute and validate backup and recovery processes for both platforms
• Utilize MongoDB Ops Manager for monitoring, patching, automation, and operational visibility
• Develop and maintain automation scripts (PowerShell, Python, Bash, T-SQL, Mongo Shell)

What you’ll bring

• 8+ years of DBA experience (SQL Server and/or MongoDB)
• Hands-on SQL Server administration and T-SQL
• MongoDB operations including replica sets and backup/recovery
• MongoDB Ops Manager experience (monitoring, automation)
• Strong understanding of HA/DR concepts
• Database security and access control knowledge
• Experience with Windows and Unix/Linux platforms
• Working knowledge of incident, change, and problem management (ITIL)

Skills