Security Engineer

Role: Elastic Security EngineerLocation: Sunnyvale, CA - OnsiteWe are seeking an experienced Elastic Security Engineer with strong hands-on expertise in on-premise Elastic (ELK) deployments. This role focuses on developing, operating, and supporting a self-managed Elastic environment for security use cases.Key Responsibilities:Design, deploy, and maintain on-prem Elastic Stack (Elasticsearch, Logstash, Kibana)Manage cluster architecture, scaling, performance tuning, and upgradesBuild and support SIEM use cases (log ingestion, correlation, alerting)Troubleshoot data pipelines, indexing, and infrastructure issuesEnsure high availability, security, and reliability of the Elastic environmentCollaborate with security teams to improve threat detection capabilitiesRequired Skills:Proven experience with self-managed/on-prem Elastic Stack (mandatory).Strong knowledge of Elastic SIEM, log management, and security operations.Hands-on experience with cluster setup, node management, and performance tuning.Experience with ingestion tools (Beats, Logstash, APIs).Solid Linux administration and scripting skills (Python/Shell).