Cognizant Hiring For Mongodb Database Admin

Cognizant; Bengaluru; On-site; INR 1,800,000 - 2,600,000; Full time

Job summary

Cognizant in Bengaluru, India is seeking a Senior Database Administrator specialized in MongoDB to manage production environments and drive reliability. You will handle operational support, performance tuning, and incident resolution while collaborating with engineering teams to improve stability.

The role includes managing replica sets, backups, HA/DR, and using MongoDB Ops Manager, with automation scripting in PowerShell, Python, or Bash to streamline runbooks and monitoring across on-prem and

Qualifications

• 5+ years of DBA experience in MongoDB.
• Hands-on with replica sets and backup/recovery.
• Experience with MongoDB Ops Manager.
• Knowledge of HA/DR, security, and ITIL processes.
• Experience on Windows and Unix/Linux.

Responsibilities

• Provide operational support, maintenance, and optimization of enterprise MongoDB environments.
• Perform day-to-day operational support including monitoring, patching, performance tuning, and capacity management.
• Lead incident, problem, and change management activities and RCA.
• Support HA/DR solutions and backup/recovery processes.
• Develop and maintain automation scripts (PowerShell, Python, Bash, T-SQL, Mongo Shell).
• Collaborate with Engineering to improve stability and performance across on-prem and cloud deployments.

Skills

MongoDB

Scripting

Incident mgmt

Performance tuning

HA/DR

Ops Manager

Tools

MongoDB Ops Manager

Job description

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)