Flexport
Senior Security Engineer, Detection & Response
$206K–$252K
San Francisco, California, United States +1 · Remote · Senior · Full-time · Posted Aug 27, 2026
- Location
- San Francisco, California, United States
U.S. Remote - Experience
- Typically 5–8 years in detection engineering, incident response, or threat hunting; the posting says relevant hands-on work matters more than the exact number.
About the job
Owns end-to-end security detection engineering, incident response, threat hunting, and telemetry development across Flexport’s technology estate.
What you'll do
- Build, tune, and measure detections across endpoint, identity, SaaS, and cloud.
- Lead incident response and build automation to streamline investigations.
- Define telemetry requirements with infrastructure and product teams, and proactively hunt for threats.
What they ask for
- Proficiency in at least one programming language (Python, Go, or similar) and ability to write production-grade detection and automation code.
- Experience with a modern SIEM or detection pipeline and shipping and tuning detection logic in production.
- Practical incident response experience leading or playing a major role in real security incidents.
Nice to have
- Experience treating detections as code with CI/CD, peer review, and staged rollout.
- Experience defining telemetry contracts before systems ship.
Pay
$206,181 — $252,000 USD base salary
Tools
Python, Go, Panther, Elastic, Splunk, MITRE ATT&CK, CI/CD, Kubernetes
AI focus
Critically evaluate and verify AI-assisted work through testing, source-checking, and validation; the team also provides access to frontier AI models.
Model-written summary · the original posting is authoritative