Walk-in || Postgress DBA

Job description

**Role & responsibilities** Cassandra / ScyllaDB Administration - Install, configure, upgrade, and maintain Apache Cassandra / DataStax or ScyllaDB clusters. - Manage multi-datacenter, multi-node deployments. - Configure replication, consistency levels, snitches, compaction strategies, and repair settings. - Perform routine cluster health checks and maintenance tasks (repair, cleanup, decommission, rebuild). Performance & Optimization - Monitor cluster performance using tools like nodetool, Grafana, Prometheus, DSE OpsCenter, Scylla Monitoring Stack. - Troubleshoot latency issues: GC tuning, compaction tuning, hot partitions, tombstone analysis. - Optimize schemas, queries, and data models for distributed systems. Operations & Support - Manage backup and restore processes using tools such as Medusa, Snapshots, Scylla Manager. - Handle incident management and production troubleshooting. - Implement automation for routine tasks (Shell/Python is finenot heavy programming). - Participate in on-call rotation for production support. Security & Compliance - Implement authentication, authorization (role-based access), and audit controls. - Apply OS-level hardening and understand network/security requirements for distributed systems. --- Required Skills Technical Skills - Minimum 4+ years hands-on experience in Apache Cassandra, DataStax, or ScyllaDB. - Strong understanding of: - Gossip Protocol - Hinting & Read/Write Path