Principal CA Architect, Public PKI for the Internet

7 days ago

San Francisco, California, United States Cloudflare Inc Full-time

Cloudflare is building a new public Certificate Authority and seeks a senior technical architect to define the systems, protocols, and security architecture behind it. You will shape trust boundaries, key hierarchy, issuance architecture, and auditability at Internet scale. Youll collaborate across cryptography, TLS, security, operations, and product teams to ensure a safe, observable CA capable of issuing publicly trusted certificates while evolving toward post-quantum Web PKI and Merkle Tree