Lead Engineer-Cassandra-Mongodb

Overview


Cassandra and Mongodb DBA skill set required. Either can be Primary skill
Responsibilities


Cassandra cluster planning which includes Data sizing estimation, and identify hardware
requirements based on the estimated data size and transaction volume.
Create, install, and configure a Cassandra cluster
Use tools to monitor cluster availability and performance
Export data into different data formats
Use primary index and secondary indexes correctly to perform queries on data
Backup and restore data to secure the system in the event of failure
Tune the performance of Java Virtual Machine (JVM), caches, and compaction
Cassandra Data Modelling, NoSQL Architecture, Keyspace, Table, Index creation, User creation
access administration.
Administration, Maintenance and supporting of the cluster using Opscenter, Devcenter, Linux, Spark
CQL Queries to support Integration with Cassandra Cluster
Create and maintain detailed documentation of database configurations, procedures, and troubleshooting steps.
Respond to alerts and incidents promptly to minimize service disruptions.
Collaborate with Level 1 and Level 2 support and other teams to address escalated incidents.





Possess in-depth knowledge of MongoDB architecture, installation, and administration.
Manage MongoDB, including installation, configuration, and performance tuning.
Identify and resolve complex performance bottlenecks, slow queries, and resource contention issues in MongoDB.
Set up proactive monitoring and alerting for database health and performance issues.
Perform regular backups and test recovery procedures to ensure data recoverability.
Create and maintain detailed documentation of database configurations, procedures, and troubleshooting steps.
Respond to alerts and incidents promptly to minimize service disruptions.
Collaborate with Level 1 and Level 2 support and other teams to address escalated incidents.
Troubleshooting replication issue and fixing instance recovery issue.