Senior MongoDB DBA
Purple Drive
Senior MongoDB Database Administrator (MongoDB DBA)
We are seeking an experienced MongoDB Database Administrator (DBA) to design, deploy, administer, secure, and optimize enterprise-scale MongoDB environments. The ideal candidate will have strong expertise in MongoDB Replica Sets, Sharded Clusters, Ops Manager, Backup & Restore, Security, Performance Tuning, and AWS migration.
The role requires hands-on experience with MongoDB cluster architecture, Linux administration, Python/Shell scripting, MongoDB security (X.509, TLS, SSL), high availability, and database migration in production environments.
Key Responsibilities
- Design, install, configure, and administer MongoDB Replica Sets and Sharded Clusters.
- Deploy and manage highly available MongoDB environments on Linux.
- Configure and maintain MongoDB clusters for enterprise applications.
- Perform capacity planning, cluster expansion, and node management.
Cluster Management
- Configure Replica Sets and Sharded Clusters.
- Add and remove shard and replica nodes.
- Convert Replica Sets into Sharded Clusters to support growing data volumes.
- Manage Config Servers and Mongos routers.
- Ensure balanced shard distribution across clusters.
MongoDB Operations Manager (Ops Manager)
- Install and configure MongoDB Ops Manager.
- Onboard Replica Sets and Sharded Clusters into Ops Manager.
- Upgrade and maintain Ops Manager environments.
- Manage Projects, Groups, and monitoring dashboards.
- Configure alerts, monitoring, and operational reporting.
Backup, Restore & Automation
- Configure MongoDB Backup & Restore Services (BRS).
- Automate backup, restore, monitoring, and health-check processes.
- Develop automation scripts using Python and Shell scripting.
- Perform disaster recovery planning and testing.
- Ensure data availability and recovery readiness.
MongoDB Security
- Implement MongoDB authentication and authorization.
- Configure: X.509 Authentication, TLS/SSL Encryption, Certificate Management, Role-Based Access Control (RBAC)
- Ensure compliance with enterprise security standards.
- Perform database auditing and security hardening.
Performance Tuning
- Monitor and optimize MongoDB performance.
- Analyze query execution plans.
- Optimize: Indexes, Query performance, Memory utilization, Storage, CPU usage.
- Implement text indexes, compound indexes, and efficient indexing strategies.
Sharding & Replication
- Configure: Range-based Sharding, Hash-based Sharding.
- Monitor replication lag and failover.
- Ensure even data distribution across shards.
- Troubleshoot replication and cluster performance issues.
Migration & Upgrades
- Upgrade MongoDB environments (e.g., 4.x to later versions).
- Migrate MongoDB clusters to AWS.
- Plan and execute production database migrations.
- Support zero or minimal downtime upgrades.
Monitoring & Troubleshooting
- Monitor cluster health and availability.
- Troubleshoot database performance, replication, and connectivity issues.
- Perform root cause analysis.
- Resolve production incidents and outages.
Documentation
- Maintain documentation for: Cluster architecture, Backup procedures, Security standards, Operational runbooks, Upgrade procedures.
- Document installation, monitoring, auditing, and disaster recovery processes.
Collaboration
- Work closely with Developers, Infrastructure Teams, DevOps Engineers, and Cloud Architects.
- Support production deployments and database releases.
- Participate in on-call support and incident response.
- Mentor junior DBAs and provide technical guidance.
Required Technical Skills
MongoDB
- MongoDB Replica Sets
- MongoDB Sharded Clusters
- MongoDB Cluster Administration
- MongoDB Ops Manager
- Backup & Restore Services (BRS)
- MongoDB Monitoring
Security
- X.509 Authentication
- TLS/SSL
- Authentication & Authorization
- RBAC
- Security Hardening
- Database Auditing
Performance
- Query Performance Tuning
- Query Plan Analysis
- Index Optimization
- Text Indexes
- Replication Optimization
- Change Streams
Database Administration
- Installation
- Configuration
- Migration
- Upgrades
- Backup & Recovery
- Disaster Recovery
Scripting
- Python
- Shell Scripting
Operating Systems
- Linux
Cloud
- AWS
- MongoDB Migration to AWS
Monitoring
- MongoDB Ops Manager
- Cluster Monitoring
- Performance Monitoring
- Health Checks
Required Qualifications
- Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.
- 6–8 years of experience as a MongoDB DBA or NoSQL Database Administrator.
- Strong hands-on experience with MongoDB Replica Sets and Sharded Clusters.
- Expertise in MongoDB Ops Manager and Backup & Restore Services.
- Experience implementing MongoDB security using X.509, TLS, and SSL.
- Strong Linux administration skills.
- Experience with Python and Shell scripting.
- Experience performing MongoDB upgrades and migrations.
- Excellent troubleshooting, analytical, and problem-solving skills.
Vacancy posted 4 days ago
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