Roles and Responsibilities

• Design, install, configure, and maintain multi-node MongoDB replica sets and sharded clusters on Linux-based platforms.
• Configure MongoDB environments using Ops Manager and perform onboarding of replica sets and sharded clusters.
• Enhance database security through TLS encryption and X.509 certificate-based authentication, ensuring compliance with security standards.
• Perform automated backups, restores, and monitoring jobs using Python and Shell scripting.
• Execute MongoDB upgrades and migrations (e.g., from v4.0 to later 4.x versions).
• Add or remove nodes in replica sets and sharded clusters as needed.
• Implement text indexes for optimized querying of document-based string data.
• Select appropriate shard keys to ensure even data distribution across shards.
• Convert replica sets to sharded clusters based on data growth and performance needs.
• Monitor and tune database performance, including query plan analysis and host-level optimization.
• Document all MongoDB installation, configuration, security, and operational procedures.
• Configure SSL key files and implement security best practices across all mongod instances.
• Administer authentication and authorization strategies, including X.509-based access control.
• Utilize deep understanding of MongoDB replication, change streams, and query plan architecture for effective data handling and real-time updates.
• Work with range-based and hash-based sharding strategies as needed.
• Manage MongoDB Ops Manager, including upgrades and configuration of Groups and Projects.
• Lead cloud migration efforts, including migration of MongoDB clusters to AWS.

Required Skills & Qualifications

• Proven experience as a MongoDB DBA in production environments.
• Strong hands-on expertise in MongoDB replica set and sharded cluster configuration.
• Advanced knowledge of MongoDB Ops Manager and its operational capabilities.
• Experience in TLS/SSL, X.509, and security implementations in MongoDB.
• Proficient in Python and Shell scripting for automation tasks.
• Solid understanding of MongoDB indexing, query optimization, and performance tuning.
• Experience with cloud migrations, especially AWS-based deployments.
• In-depth knowledge of MongoDB replication architecture, authentication/authorization, and data migration strategies.

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