Job Description :
Cassandra/Mongo DB

Setting up Multi-Datacenters for Cassandra.
Implement Disaster Recovery for Cassandra.
Patch/Upgrade Cassandra.
Implement, maintain and tune Apache Spark.
Implement backup strategies for Apache Cassandra.
Participate in DBA team on-call pager rotation and on-call support duties.
Implement monitoring solutions.
Experience in performing Mongo DBA operational routines
Mongodb DBA, MMS configuration experience
Configuring and monitoring replica sets
Optimizing database/query performance
Configuring Sharding , monitoring, and identify the proper shard key
Selection, inserting large amounts of data
Performing Security measures, backups and restore backups

Client : Centraprise