Cognizant Hiring For Mongodb Database Admin

Senior Database Administrator (MongoDB)

Job Summary

The Senior Database Administrator ) is responsible for operational support, maintenance, and optimization of enterprise MongoDB database platforms . This role focuses on reliable production operations, incident resolution, and continuous improvement while working independently on complex systems.

Key Accountabilities

• Administer and support enterprise 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)
• Monitor system health using metrics, logs, and observability tools
• Collaborate with Engineering and stakeholders to improve stability and performance
• Support infrastructure deployments and environment builds (on-prem and cloud)
• Ensure adherence to security, audit, and compliance requirements

Technical Responsibilities

• Manage:
• MongoDB: replica sets, sharding, backups, performance tuning
• Perform performance analysis and tuning across both platforms
• Troubleshoot cross-layer issues (OS, network, storage, database)
• Support cloud environments (Azure / MongoDB Atlas)
• Maintain runbooks, SOPs, and technical documentation

Required Experience & Skills

• 5+ years of DBA experience in MongoDB
• Hands-on experience with:
• MongoDB operations including replica sets and backup/recovery
• MongoDB Ops Manager (monitoring, automation)
• Strong understanding of:
• HA/DR concepts
• Database security and access control
• Experience with:
• Windows and Unix/Linux platforms
• Automation and scripting
• Working knowledge of incident, change, and problem management (ITIL)
• Ability to work independently on moderately to highly complex systems

Behavioral Competencies

• Strong troubleshooting and analytical skills
• Effective communication with technical teams and stakeholders
• Continuous improvement mindset
• Team-oriented with ability to mentor junior staff (emerging capability)