Horizon3AI
Senior Detection Engineer (EDR), Autonomous Defense
$195K–$230K
US, Remote · Remote · Senior · Full-time · Posted Sep 18, 2026
- Experience
- 6+ years in detection engineering, security operations, incident response, or threat hunting; meaningful practitioner experience.
About the job
Defines and validates EDR detection, effectiveness, and tuning requirements, serving as the blue-team domain expert for Product, Engineering, and AI research.
What you'll do
- Translate blue-team workflows into product requirements and acceptance criteria; validate releases.
- Own vendor-specific EDR policy and detection knowledge, and define and grade correct tuning recommendations.
- Keep detection coverage aligned with platform changes and current adversary tradecraft.
What they ask for
- Hands-on production experience administering and tuning EDR platforms, including writing detections, managing policies and exclusions, and investigating alerts.
- Strong knowledge of SOC workflows, detection tradeoffs, MITRE ATT&CK, coverage frameworks, and post-compromise behavior in endpoint and identity telemetry.
- Demonstrated experience shaping a product or platform as a domain expert; strong technical writing and cross-functional communication.
- Scripting ability to query APIs, inspect telemetry, and prototype analysis; comfort with SQL and large event datasets.
Nice to have
- Python is stated as an ideal scripting language.
Pay
$195,000-$230,000 annually (base salary)
Tools
EDR, MITRE ATT&CK, Python, SQL
AI focus
Provides domain truth to AI researchers and grades agent output against standards for correct tuning recommendations.
Model-written summary · the original posting is authoritative