We are looking for an experienced OpenSearch DBA with robust hands-on experience in Elasticsearch/OpenSearch production administration, cluster monitoring, troubleshooting, backup and recovery, and day-to-day database operations.
Key Responsibilities
- Install, configure, maintain and upgrade OpenSearch/Elasticsearch clusters.
- Monitor cluster health, shards, JVM/Heap and disk utilization.
- Manage index lifecycle (ILM/ISM), rollover and retention.
- Handle backup, restore, snapshots and disaster recovery.
- Troubleshoot production issues, slow queries and node failures.
- Perform cluster scaling, rolling restarts and performance tuning.
- Manage users, roles, TLS and security configurations.
- Automate routine operations using Shell, Python or Ansible.
- Maintain SOPs, runbooks and incident reports.
Mandatory Skills
- OpenSearch / Elasticsearch Administration
- Production Cluster Management
- Sharding, Replication and Index Management
- Linux Administration & Shell Scripting
- Backup, Restore & Snapshot Management
- Production Monitoring & Troubleshooting
- Grafana / Prometheus / OpenSearch Dashboards
📌 OpenSearch DBA (India)
🏢 Tata Consultancy Services
📍 India
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