Principal Engineer, Security

Join Klaviyo, a leading platform that empowers creators to own their destiny. As a Principal Engineer in Security, you will be responsible for defining and owning Klaviyo's infrastructure security architecture, building and maintaining security guardrails, and leading threat modeling and security design reviews. You will work closely with various teams to embed security controls into CI/CD pipelines and drive cross-cutting initiatives. This is a hands-on individual contributor role with no direct reports.

• Definir y ser responsable de la arquitectura de seguridad de la infraestructura de Klaviyo, incluyendo marcos de IAM, gestión de secretos y controles de acceso.
• Construir y mantener guardrails de seguridad como módulos de IaC; codificar controles en caminos dorados que los equipos heredan automáticamente.
• Ser responsable del programa de gestión de vulnerabilidades: triage y remediación respaldados por SLO, seguimiento de tendencias y soluciones sistémicas.