Responsibilities: Design multi-tier Elasticsearch architecture (hot/warm/cold/frozen) with ILM. Architect Active-Active/Passive HA and DR across production and disaster recovery data centers. Define and implement observability standards, data schemas, naming conventions, and ILM policies per domain. Develop and manage ingestion pipelines using Logstash, Beats, and Elastic Agent Parse and enrich structured/unstructured logs; implement scalable and fault-tolerant pipelines. Deploy and configure E…