Elastic Administrator

Job Title: Elastic Administrator / Operator (On-Prem)Overview: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.Key Responsibilities:Administer and operate Elastic clusters (deployment, scaling, upgrades)Manage Day 2 operations: monitoring, incident response, troubleshooting, and performance tuningImplement backup/restore, high availability, and disaster recovery strategiesOptimize indexing, query performance, and cluster healthSupport security configurations (RBAC, access control, audit logging)Maintain operational runbooks and documentationManage and support Elastic deployments running on Kubernetes clusters (on-prem or hybrid environments)Required Skills:Strong hands-on experience with Elastic stack (Elasticsearch, Kibana, Logstash)Proven experience in production support / Day 2 operationsExperience managing on-premise infrastructureSolid understanding of Linux systems, networking, and storageHands-on experience with Kubernetes (deployment, scaling, troubleshooting containerized workloads)Experience with monitoring and alerting toolsNice to Have:Experience in security environments or SIEM use casesAutomation using scripting (Python, Bash, etc.)Experience with Helm, operators (e.g., Elastic Cloud on Kubernetes - ECK), or container orchestration best practices