MongoDB Administrator (L3)

Carnation Infotech; Dadri, Pune District, Bengaluru; Hybrid; INR 1,400,000 - 2,600,000; Full time

Job summary

Carnation Infotech Pvt Ltd. is seeking an experienced MongoDB Administrator (L3) to manage and optimize MongoDB environments across on-premises and cloud platforms. The role focuses on high availability, performance tuning, backup and recovery, and incident management.

The candidate will oversee replica sets, sharding, and security, collaborating with cross-functional teams and automating routine DBA tasks using scripting tools. 6+ years of relevant experience is preferred.

Qualifications

• Strong hands-on MongoDB administration experience across production, staging and development environments.
• Experience with Replica Sets, Sharding, backups and disaster recovery strategies.
• Familiarity with ITIL change and incident management processes.

Responsibilities

• Administer and maintain MongoDB production, staging, and development environments.
• Perform installation, configuration, upgrades, patching, and migration of MongoDB databases.
• Manage Replica Sets, Sharding, and High Availability architectures.
• Monitor database health, capacity, performance, and availability.
• Perform performance tuning, query optimization, and index management.
• Configure and manage backup, restore, and disaster recovery solutions.
• Troubleshoot production incidents, replication issues, connectivity problems, and bottlenecks.
• Implement database security controls, user management, authentication, and authorization.
• Collaborate with application, cloud, infrastructure, and security teams.
• Automate DBA tasks using Shell/Python and scripting tools.
• Participate in change management, release activities, and on-call support.
• Prepare RCA reports and implement preventive measures.

Skills

MongoDB Admin

Linux administration

Windows Server administration

Cloud platforms (AWS/Azure/GCP)

Shell/Python scripting

ITIL processes (Change/Incident)

Tools

MongoDB Atlas

MongoDB Ops Manager

Compass

Job description

Mandatory skills -

Mongo DB - Installation, Configuration, Upgrades, Patching

Job Description MongoDB Administrator (L3)

Position: MongoDB Administrator (L3)
Experience: 6+ Years
Location: Any

Role Summary

We are looking for an experienced MongoDB Administrator (L3) to support multiple enterprise projects. The candidate will be responsible for managing, monitoring, optimizing, securing, and troubleshooting MongoDB environments hosted on-premises and cloud platforms. The role requires strong expertise in MongoDB cluster administration, high availability, performance tuning, backup & recovery, and incident management.

Key Responsibilities

• Administer and maintain MongoDB production, staging, and development environments.
• Perform installation, configuration, upgrades, patching, and migration of MongoDB databases.
• Manage Replica Sets, Sharding, and High Availability architectures.
• Monitor database health, capacity, performance, and availability.
• Perform database performance tuning, query optimization, and index management.
• Configure and manage backup, restore, and disaster recovery solutions.
• Troubleshoot production incidents, replication issues, connectivity problems, and performance bottlenecks.
• Implement database security controls, user management, authentication, and authorization mechanisms.
• Collaborate with application, cloud, infrastructure, and security teams for project delivery and support.
• Automate routine DBA activities using Shell, Python, or scripting tools.
• Participate in change management, release activities, and on-call support.
• Prepare RCA reports and implement preventive measures for recurring issues.

Required Technical Skills

• Strong hands-on experience with MongoDB Administration.
• Expertise in:
• MongoDB Installation & Configuration
• Replica Sets
• Sharding
• Backup & Recovery
• Database Upgrades
• Query Optimization
• Index Management
• Performance Tuning
• Database Security
• Monitoring & Alerting
• Strong Linux administration knowledge.
• Good understanding of Windows Server administration.
• Experience with cloud platforms such as AWS, Azure, or GCP.
• Knowledge of automation and scripting (Shell/Python).
• Familiarity with MongoDB Ops Manager, Compass, Atlas, or equivalent tools.
• Understanding of ITIL processes, Change Management, and Incident Management

Preferred Skills

• Experience with AWS DocumentDB or MongoDB Atlas.
• Exposure to PostgreSQL, MySQL, Oracle, or other database technologies.
• Experience in DevOps, CI/CD, and Infrastructure as Code.
• Certification in MongoDB Administration or Cloud Technologies

Mandatory Skills: MongoDB Admin .