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Senior Elasticsearch Engineer
2 weeks ago
We are seeking a skilled Elasticsearch expert to provide operational support and drive the stability, performance, and scalability of large-scale cluster deployments.
The ideal candidate will play a vital role in diagnosing complex system issues, optimizing performance, and ensuring the reliability of Elasticsearch clusters in production environments.
Key Responsibilities:
- Provide advanced technical support for Elasticsearch clusters and associated components (Kibana, Logstash, Beats, etc.).
- Monitor, troubleshoot, and resolve critical production issues related to cluster performance, indexing latency, node failures, and data ingestion bottlenecks.
- Design and maintain ingestion pipelines using Logstash, Beats, or custom shippers to ensure real-time data processing and reliability.
- Optimize Elasticsearch performance by tuning shards, mappings, queries, analyzers, and index templates.
- Manage and implement Index Lifecycle Management (ILM), data retention policies, and archival strategies to maintain cluster health and storage efficiency.
- Perform root cause analysis and work with cross-functional teams to resolve systemic issues.
Required Skills:
- Bachelor's or Master's degree in Computer Science, Information Technology, or a related field.
- 5+ years of hands-on experience managing Elasticsearch clusters in production (version 7.x/8.x preferred).
- Expert understanding of Elasticsearch internals, including Lucene, inverted indexes, query planning, and data structures.
- Strong command over query DSL, aggregations, filters, and performance tuning techniques.
- Experience designing scalable, resilient architecture for ELK/OpenSearch deployments across multi-node clusters.
Bonus Points:
- Familiarity with Kibana or equivalent visualization tools for dashboarding and troubleshooting.
- In-depth knowledge of JVM tuning, garbage collection (GC) strategies, and heap memory optimization.
- Strong scripting skills in Python, Shell, or Bash for automation, monitoring, and custom ingestion workflows.
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