Security Engineer — Detection & Response
Security · Remote (US) · Full-time · Remote
About the role
FaultLine is hiring a Security Engineer — Detection & Response on our Security team. You will work with experienced operators on systems that real customers depend on every day.
What you will do
- Run detection and response across our production network and corporate environment.
- Build and tune detections for our most likely threats.
- Lead investigations and incident response.
- Partner with engineering on hardening efforts.
- Manage the responsible-disclosure program.
What we are looking for
- 5+ years in security operations, detection, or incident response.
- Hands-on experience with EDR, SIEM, and packet analysis.
- Scripting in Python or Go.
- Ability to lead incident communications calmly.
- Understanding of ISP-specific threats (BGP hijack, DDoS, abuse).
Nice to have
- Familiarity with the Southwest market.
- Bilingual (English/Spanish) a plus.
- Prior ISP, telco, or hyperscaler experience.
- Open source contributions in adjacent areas.
Benefits
- Medical, dental, vision (employee 100% covered)
- 401(k) match, vested day one
- 16 weeks parental leave
- Unlimited PTO with a 15-day minimum
- $2,500/year learning budget
- Free FaultLine Fiber Gig at home
FaultLine is an equal opportunity employer. See /careers for our EEO statement.