Klaviyo
Senior Security Engineer - Detection and Response
$142K–$212K
Boston, MA +3 · Senior · Full-time · Posted Mar 10, 2026
- Location
- Boston, MA
Boston, Massachusetts, United States
Denver, Colorado, United States
San Francisco, California, United States - Experience
- 5+ years of experience in software, security, and/or data engineering; experience participating in detection and response or incident response on-call is also requested.
About the job
Build and operate scalable security detection and response systems, develop detections, and support threat and incident response operations.
What you'll do
- Build security observability systems and automate detection and response workflows.
- Develop rule-based and/or ML-based detections, including onboarding and optimizing security logging data.
- Respond to alerts and incidents, lead investigations, conduct threat hunts, and participate in on-call rotations.
What they ask for
- Experience with centralized logging, data lakes, and SIEM solutions.
- Programming proficiency for automation and building, such as Python or Go.
- Experience with git/GitHub and CI/CD automations.
- Familiarity with threat actor tactics, techniques, and procedures.
Pay
$141,600 — $212,400 USD (base salary)
Tools
Python, Go, git/GitHub, CI/CD, SIEM
AI focus
Develop AI-first security systems to automate detection and response operations; deploy ML models and develop ML-based detections.
Model-written summary · the original posting is authoritative