MONGO DB Database Administrator, (Day One Onsite)

Implementation Partner : TCS Location : Sunnyvale, CA (Day One Onsite) Job Description / Skills : MONGO DB Database Administrator 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 replicaset to sharded cluster because of data size growth and better query rate planning. Knowledge on Upgrade / migrations of repicaSet 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 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 / IndexingMigration of Mongo cluster to AWS. Experience in upgrading Mongo clusters(ReplicaSet / 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. MongoDump and MongoRestore. Read / Write concerns.