Senior Security Engineer - Detection & Response
Core
Build detections, triage alerts, lead investigations, respond to incidents, perform threat hunting, and build automation tooling for Klaviyo's enterprise, cloud, and product environments.
Role type
Senior Security Engineer (Detection & Response)
Builds
Detections-as-code, security tooling, and automated response workflows
Domain
Cybersecurity, Cloud Security, Incident Response
Deliverable
production ML models
Required skills
Detections-as-code, SIEM, Security data lakes, Digital forensics, SQL, Python/Go, Git/GitHub, CI/CD, Threat hunting, Incident response
Preferred skills
AI-first security systems, Large-scale data pipelines
Technologies
SIEM, Security data lake, Python, Go, SQL, Splunk, Git, GitHub
Responsibilities
Develop and deploy rule-based and anomaly-based detections, Respond to cyber threats and drive incident investigations, Perform digital forensic investigations, Automate detection and response workflows, Conduct threat hunts across environments, Mentor security engineers
Seniority
Senior, hands-on IC
