Senior MongoDB DBA
Purple Drive
Overview: Position: Senior MongoDB Database Administrator (MongoDB DBA) Experience Required 6-8 Years Job Summary 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 MongoDB Administration
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- Configure:
- Range-based Sharding
- Hash-based Sharding
- Monitor replication lag and failover.
- Ensure even data distribution across shards.
- Troubleshoot replication and cluster performance issues.
- 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.
- Monitor cluster health and availability.
- Troubleshoot database performance, replication, and connectivity issues.
- Perform root cause analysis.
- Resolve production incidents and outages.
- Maintain documentation for:
- Cluster architecture
- Backup procedures
- Security standards
- Operational runbooks
- Upgrade procedures
- Document installation, monitoring, auditing, and disaster recovery processes.
- 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.
- MongoDB Replica Sets
- MongoDB Sharded Clusters
- MongoDB Cluster Administration
- MongoDB Ops Manager
- Backup & Restore Services (BRS)
- MongoDB Monitoring
- X.509 Authentication
- TLS/SSL
- Authentication & Authorization
- RBAC
- Security Hardening
- Database Auditing
- Query Performance Tuning
- Query Plan Analysis
- Index Optimization
- Text Indexes
- Replication Optimization
- Change Streams
- Installation
- Configuration
- Migration
- Upgrades
- Backup & Recovery
- Disaster Recovery
- Python
- Shell Scripting
- Linux
- AWS
- MongoDB Migration to AWS
- MongoDB Ops Manager
- Cluster Monitoring
- Performance Monitoring
- Health Checks
- 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 5 days ago
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