Cassandra Database Administrator

1 day ago

Chennai, India POWER IT SERVICES Full time

· Strong experience with Apache Cassandra (Open Source, DataStax, ScyllaDB).

· Deep understanding of Cassandra architecture, partitions, replication, and consistency levels.

· Proficiency in CQL (Cassandra Query Language) and data modeling.· Hands-on experience with Linux (Ubuntu, RHEL, CentOS).

· Familiarity with Cassandra monitoring tools (DataStax OpsCenter, Prometheus, Grafana).

· Experience with cloud-managed Cassandra services (AWS Keyspaces, Azure CosmosDB, Google Cloud Bigtable).

· Install, configure, and upgrade Apache Cassandra (Open Source, DataStax, ScyllaDB).

· Monitor cluster health, node status, and replication factors.

· Ensure high availability (HA) and disaster recovery strategies are in place.

· Optimize Cassandra data models, partitions, and compaction strategies.

· Tune garbage collection (GC), JVM heap settings, and read/write performance.

· Analyze slow queries using Cassandra Query Language (CQL) tracing.

· Implement authentication (LDAP, Kerberos) and role-based access control (RBAC).

· Secure Cassandra deployments with TLS/SSL encryption and firewall rules.

· Ensure compliance with GDPR, HIPAA, and PCI-DSS standards.

· Develop and manage backup and restore strategies using nodetool snapshots.

· Test disaster recovery and failover strategies regularly.

· Automate Cassandra administration tasks using Bash, Python, or Ansible.

· Set up monitoring tools (Prometheus, Grafana, ELK Stack, DataStax OpsCenter).

· Implement alerting for node failures, disk usage, and read/write latency.

· Identify and resolve replication lag, tombstone accumulation, and query timeouts.

· Work with DevOps and application teams to troubleshoot performance issues.

· Maintain detailed documentation of troubleshooting procedures.

· Monitor storage, memory, and CPU usage to plan for capacity scaling.

· Optimize replication strategies for read/write scalability.

· Implement multi-datacenter replication for disaster recovery and load balancing.

Job Type: Full-time

Pay: ₹800, ₹1,150,000.00 per year

Experience:

  • Apache Cassandra : 6 years (Preferred)

Work Location: In person

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