Cassandra Database Administrator

24 hours ago

Chennai Tamil Nadu, 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.
- 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.

Pay: ₹800,000.00 - ₹1,150,000.00 per year

**Experience**:

- Apache Cassandra : 6 years (preferred)

Work Location: In person

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