Elastic Administrator - Clusters

Stefanini GroupNew York, NY
Onsite

About The Position

Stefanini Group is looking for an Elastic Administrator - Clusters for a globally recognized company. We are seeking an experienced Elastic SME to support the development, operation, and ongoing management of our on-premise Elasticsearch platform within a security-focused environment at CoreWeave.

Requirements

  • Strong hands-on experience with Elastic stack (Elasticsearch, Kibana, Fleet Server, Elastic Agent and Search Ingest Pipeline)
  • Proven experience in production support / Day 2 operations
  • Experience managing on-premise Kubernetes infrastructure
  • Solid understanding of Linux systems, networking, and storage
  • Experience with monitoring and alerting tools such as Loki, Grafana, Prometheus, VictoriaMetrics
  • Automation using scripting (Python, Bash, etc.)

Nice To Haves

  • Experience in security environments or SIEM use cases
  • Experience using Kafka at high scale as part of log ingestion pipeline

Responsibilities

  • Administer and operate Elastic clusters on Kubernetes using ECK and data streams (deployment, scaling, upgrades)
  • Manage Day 2 operations: monitoring, incident response, troubleshooting, and performance tuning
  • Implement backup/restore, high availability, and disaster recovery strategies
  • Optimize indexing, ES|QL query performance, and cluster health
  • Support security configurations (RBAC, access control, audit logging)
  • Maintain operational runbooks and documentation
  • Take part in the on-call rotation (1 week 24/7 on call per month)
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