Mongodb Database Administrator (L2 or L3 Support)

Skill: Mongo DBA + Oracle DBA

Location: Bangalore / Hyderabad/ Coimbatore

Notice: Immediate or Less than 30 or 45 days under Serving NP

Shift: 24/7 Rotational shift (L2 or L3 Support)

MongoDB L2 / L3 Support Engineer

Experience

5+ to 8 years plus either L2+ or L3 Support

Key Responsibilities

L2 Responsibilities

• Provide 247 production support for MongoDB databases.
• Monitor MongoDB clusters (Replica Sets/Sharded Clusters) for availability, performance, and capacity.
• Handle incident management, problem analysis, and root cause analysis (RCA).
• Perform routine DBA activities
• Backup and restore (mongodump/mongorestore, snapshots)
• Index management
• User/role management
• Troubleshoot
• Slow queries
• Replication lag
• Connectivity issues
• Disk/CPU/memory bottlenecks
• Work with application teams to resolve data-related issues.
• Execute standard changes following ITIL processes (Change, Incident, Problem).
• Use monitoring and alerting tools (Ops Manager/Cloud Manager, Prometheus, Grafana).
• Maintain operational documentation and runbooks.

L3 Responsibilities

• Act as MongoDB SME for complex technical issues and escalations from L2.
• Design and support highly available, scalable MongoDB architectures.
• Performance tuning
• Query optimization
• Index strategy design
• Schema modeling and optimization
• Capacity planning and scalability assessments.
• Lead major incident bridges and perform deep root cause analysis.
• Implement and manage
• Sharding strategies
• Disaster Recovery (DR) setups
• Cross-region replication
• Automate MongoDB operations using Shell, Python, Ansible, Terraform.
• Support MongoDB on cloud platforms (AWS / Azure / GCP):
• MongoDB Atlas
• VM-based MongoDB deployments
• Work with security teams on:
• Encryption at rest & in transit
• Auditing
• Role-based access control
• Participate in architecture reviews and mentoring junior DBAs.
• Coordinate with MongoDB vendor support when required.

Required Skills

Technical Skills

• Strong experience with MongoDB (4.x / 5.x / 6.x).
• Hands-on experience with:
• Replica Sets
• Sharded Clusters
• Deep understanding of
• WiredTiger storage engine
• Read/write concerns
• Journaling and oplogs
• Proficiency in MongoDB tools
• mongosh
• MongoDB Compass
• Ops Manager / Atlas
• Linux/Unix administration skills.
• SQL to NoSQL migration experience (preferred).

Cloud & DevOps (Preferred)

• MongoDB on AWS / Azure / GCP.
• CI/CD and Infrastructure-as-Code exposure.
• Experience with Kubernetes (MongoDB Operator is a plus).
• Monitoring tools: Splunk, ELK, Datadog.

Soft Skills

• Excellent troubleshooting and analytical skills.
• Strong communication skills for client and stakeholder interactions.
• Ability to work in on-call and shift-based environments.
• ITIL process awareness.

Certifications (Preferred)

• MongoDB Certified DBA Associate / Professional
• AWS/Azure certification
• ITIL Foundation

Shift & Support Details

• 247 rotational shifts (for L2)
• On-call support (for L3)
• Weekend support as per rotation