Klaviyo
Senior Security Engineer - Detection & Response
$142K–$212K
Denver, CO +3 · Senior · Full-time · Posted Sep 10, 2026
- Location
- Denver, CO
Boston, Massachusetts, United States
Denver, Colorado, United States
San Francisco, California, United States - Experience
- 5+ years of hands-on security experience in modern cloud environments.
About the job
Build and operate detection-and-response systems, investigate security threats, and automate security operations across enterprise, cloud, and product environments.
What you'll do
- Develop, deploy, and maintain detections-as-code, security pipelines, and tooling.
- Triage alerts; conduct threat hunts, forensic investigations, and end-to-end incident response.
- Automate detection and response workflows, including developing AI-first security systems.
What they ask for
- 5+ years of hands-on security experience in modern cloud environments.
- Experience triaging and responding to cyber threats, and with large-scale log analysis, incident response and/or digital forensics.
- Experience with centralized security data lakes and SIEM solutions; hands-on detections-as-code experience.
- Proficiency in programming languages for automation/building; experience with git/GitHub and CI/CD automations.
Nice to have
- Familiarity with large-scale data pipelines and data engineering techniques.
- Solid data querying skills (e.g. SQL, Splunk).
Pay
$141,600 — $212,400 USD (base salary)
Tools
SQL, Splunk, Python, Go, git/GitHub, CI/CD, SIEM
AI focus
Develop AI-first security systems to automate detection and response operations; apply an engineering-first and AI-first approach to work.
Model-written summary · the original posting is authoritative