Cassandra DBA

Responsibilities:

· DBA day to day activities such as database availability, performance tunings, DB deployments, maintenance, upgrade, backup and recovery operations.
· Configure and maintain Apache/DSE Cassandra DB clusters in on-prem servers or AWS Instances.
· Upgrade of existing Apache/DSE Cassandra DB to higher version.
· Working on Data Migration activities on Cassandra DB.
· Debugging Issues and fixing on Cassandra DB with Application teams.
· Adding / Removing Cassandra nodes or the whole DC to existing DC.
· Working on automating existing system monitoring/creating dashboard using Shell script, AWS CLI, Python.
· Handling tasks on AWS architecture and maintaining AWS instances, Auto-Scaling, VPC, S3, cloud watch, cloud formation.
· Setting Up Ops Center.
· Working on certificates, how keystore/truststore works in DB.
· Working on Cassandra architecture.
· Working on Heap, Garbage collection works in DB.
· Troubleshooting and resolving Jira tickets assigned by different application teams.
· Working on Elasticsearch, creating Elastic Search index, creating dashboard using index metrices.
· Documenting the issues and implementing the best practices to improve the productivity and efficiency.