Senior Security Engineer - Detection & Response
Klaviyo · Denver, CO
About this role
**About the role (Senior Security Engineer — Detection & Response)** Klaviyo is looking for a **Senior Security Engineer** to join its growing **Detection & Response** team. This is an engineering role across the full detection and response lifecycle—building detections, triaging alerts, leading investigations, responding to incidents, performing threat hunting, and creating tooling to prevent repeated work. You’ll work on complex, large-scale security challenges across Klaviyo’s **enterprise, cloud, and product environments**, helping shape an engineering-first D&R function that uses **automation and AI** in production at scale. **How you’ll make a difference** - Develop, test, and deploy **high-fidelity detections-as-code** (rule-based and anomaly-based) - Detect and respond to cyber threats using a **security data lake, SIEM, and cloud platforms** - Respond to alerts and drive **end-to-end incident response** investigations - Perform **digital forensics** (collection and analysis of evidence) - **Automate and codify** detection and response workflows and processes - Build security tooling to drive automation across the D&R lifecycle - Improve and maintain **detection/response pipelines** and underlying systems - Partner with **Threat Intelligence** to identify and respond to sophisticated threats - Help develop **AI-first security systems** to automate detection and response operations - Conduct **threat hunts** across corporate, cloud, and product environments - Support **data engineering** workflows for core security data lake and SIEM platforms - Participate in **D&R on-call rotations** - Coach and mentor engineers on the detection & response team
Listing freshness
CronJobs last confirmed this listing 23h ago. If its source stops confirming the opening for seven days, this page is removed from active inventory.