What are the responsibilities and job description for the Administrator position at InfoStride?
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 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
Required Skills:
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 Have:
Experience in security environments or SIEM use cases
Experience using Kafka at high scale as part of log ingestion pipeline