Mongodb Database Administrator (L2 or L3 Support)
- Cognizant
- 6 - 8 years
- Hyderabad
- 2 months ago
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Job Description
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
Job Classification
Industry: IT Services & ConsultingFunctional Area / Department: IT & Information SecurityRole Category: IT Infrastructure ServicesRole: IT Infrastructure Services - OtherEmployement Type: Full timeContact Details:
Company: CognizantLocation(s): Hyderabad
Keyskills: Root Cause Analysis RCA Oracle Database ITIL Process Mongodb Administration MongoDB
Cognizant
Job Description:1. Strong organizational and time-management skills with the ability to manage multiple priorities.\n\n2. Excellent verbal and written communication skills.\n\n3. Proficiency in scheduling tools and platforms (e.g., Outlook, MS Teams, Workday or equivalent ATS).\n\n4. Attention to de...
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