Top Cyber Security Jobs

Lead Klaviyo's infrastructure security architecture and programs: IAM, secrets management, network segmentation, vulnerability management, and security tooling. Build IaC guardrails, define security SLOs and compliance posture, run threat modeling and design reviews, embed controls into CI/CD and observability, and deliver code/automation while mentoring senior engineers. Drive AI-enabled security automation and audit readiness for SOC 2/ISO 27001.

Build and operate cloud-native security services and platforms. Own components end-to-end, improve availability, scalability, and security of distributed systems, participate in on-call, incident response, design reviews, and deliver tooling, automation, and documentation to improve developer security and reliability.

Own and automate Klaviyo's technology and third-party risk register and taxonomy, lead AI risk governance and ISO 42001 readiness, perform quantitative cyber risk analysis (financial expected loss), drive third-party risk scoring automation, produce decision-ready risk reporting for leadership, and provide independent second-line oversight while partnering cross-functionally to track and close remediation.

The Senior Security Engineer will build and maintain detection systems, automate responses, and lead incident investigations to enhance security observability.

As a Senior Security Engineer at Klaviyo, you'll build secure detection systems, automate response operations, and enhance security observability, driving incident response and threat detection efforts.