Senior Security Engineer - Threat Detection

Samsara is a Connected Operations Cloud platform helping organizations in agriculture, construction, transportation, and manufacturing digitize their operations. As a Senior Threat Detection Engineer, you will build and operate detection signals, pipelines, and tooling that discover threats against Samsara and its customers, owning the detection platform end-to-end from data pipelines to CI/CD to AI-assisted tooling.

* Build, deploy, and continuously improve MITRE ATT&CK-aligned detections across cloud, endpoint, identity, email, and application telemetry with defined false-positive thresholds * Own the full detection lifecycle from hypothesis and data validation through deployment, tuning, validation, and retirement * Advance the detection-as-code platform through version control, peer review, automated testing, CI/CD, and improved pipeline reliability and observability * Identify emerging threat surfaces and build integrations to strengthen data ingestion, enrichment, and coverage across internal and third-party systems * Evaluate AI-powered security capabilities including secure MCP integrations, threat hunting, anomaly detection, and response automation * Partner with Security Operations during investigations, incidents, and detection maintenance through code pairing and collaborative troubleshooting

* 6+ years in security engineering, detection engineering, or related technology discipline * Strong Python and SQL skills with demonstrated experience analyzing large datasets to build and validate detections * Hands-on experience with detection-as-code, Git-based workflows, automated testing, and CI/CD deployment * Deep experience with modern SIEM platforms including data onboarding, advanced queries, dashboards, and threat intelligence enrichment * Working knowledge of AWS, Linux, containers, and EDR * Proven ability to build systems from scratch, lead projects independently, learn new technologies quickly, and communicate technical concepts clearly

* Initial RSU grant with no vesting cliff and ongoing refresh opportunities tied to performance * Performance-based bonus/variable pay * Flexible remote model * Professional development stipend * Comprehensive health and parental leave