Note: The job is a remote job and is open to candidates in USA. Samsara is a company providing a Connected Operations Cloud that uses IoT data to improve the safety, efficiency, and sustainability of physical operations. The Senior Threat Detection Engineer will build and operate threat detection signals, pipelines, and tooling, owning the detection platform and lifecycle from hypothesis through production. The role also involves advancing detection-as-code practices, evaluating AI-powered security capabilities, and partnering with security teams during investigations and incidents.
Responsibilities
- Build, deploy, and continuously improve MITRE ATT&CK–aligned detections across cloud, endpoint, identity, email, and application telemetry, with clear false-positive thresholds
- Own the full detection lifecycle—from hypothesis, data validation, and baselining through deployment, tuning, validation, and retirement
- Advance our 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 that 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
- Turn threat intelligence into actionable detection and retrospective scanning
- Partner closely with Security Operations during investigations, incidents, table top exercises, detection maintenance, and code pairing
- Champion, role model, and embed Samsara’s cultural principles (Focus on Customer Success, Build for the Long Term, Adopt a Growth Mindset, Be Inclusive, Win as a Team) as we scale globally and across new offices
Skills
- 6+ years in security engineering, detection engineering, or a related technology discipline
- Strong Python and SQL skills, with 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 through documentation, RFCs, and presentations
- Experience with data orchestration platforms such as Airflow or Databricks
- Applied experience with LLMs, agentic frameworks, and MCP integrations, including their security risks and failure modes
- Experience with behavioral analytics, anomaly detection, feature engineering, and model evaluation
- Familiarity with risk-based alerting, ChatOps, distributed alerting, and attack simulation
- Additional experience with Go, Terraform, malware analysis, digital forensics, or FedRAMP environments
Benefits
- Initial RSU grant with no vesting cliff
- Ongoing refresh opportunities tied to performance, subject to plan terms and conditions
- Performance-based bonus/variable pay
- Equity for eligible roles
- Flexible, employee-led remote model
- Professional development stipend
- Comprehensive health plans
- Comprehensive parental leave plans
- Remote work where it aligns with operational requirements
Company Overview