Mongo DBA

Title: MongoDB Database Administrator

Location: Sunnyvale, CA (5 days work from office)

Duration: Long Term contract

Job Description:

• Experience in design, installation & configuration multi node MongoDB sharded cluster &replica sets on Linux Platforms.
• Adding / removing replica and shard nodes in MongoDB Cluster as needed.
• Good knowledge of a shard key and making sure of even distribution of data across multiple shards.
• Converted replica set to sharded cluster because of data size growth and better query rate planning.
• Knowledge on Upgrade/migrations of replica Set and Sharded cluster.
• Deploying, migrating data, monitoring, analyzing, and tuning MongoDB.
• In-depth knowledge of Ops Manager and Ops manager Upgrade.
• Knowledge about Groups and Project in Ops Manager
• Knowledge about Authentication and Authorization and X509 authentication
• Should have Configured SSL key files to implement security across all mongod instances.
• Extensive knowledge of Mongo replication architecture and change stream.
• Documenting MongoDB installation, operations, security, auditing multiple environments.
• Should have knowledge about Query plan architecture and performance tuning at host and DB level.
• Should have Knowledge of Range based sharding and Hash based sharding/ Indexing
• Migration of Mongo cluster to AWS.
• Replica Set/Shared Cluster build
• Experience in upgrading Mongo clusters(Replica Set/Shared Cluster).
• MongoDB scaling across data centers and an in-depth understanding of MongoDB HA strategies including replica sets and Shared Cluster.
• Should have Worked on initial sync of replica set.
• Should have Worked on Oplog Resize.
• Read ticket and write ticket issues in MongoDB.
• Worked on issue related to Slow Secondary Sync/Wired Tiger Cache Management.
• Knowledge of Arbiter for High Availability.
• Knowledge of High Oplog generation and tunning the Oplog size accordingly.
• Mongo Dump and Mongo Restore.
• Read/Write concerns