Senior Certificate Authority Architect

What you’d do

Define and maintain the technical architecture of Cloudflare's public certificate authority, covering issuance, key management, transparency, revocation, and renewal. Design root and intermediate trust hierarchies, HSM integration, key ceremonies, and highly available issuance services at Internet scale. Found on the employer's careers page on Oct 17, 2026. Apply through the link.

You’ll need

• Substantial experience designing or operating security-critical systems
• Deep expertise in public CAs, Web PKI, applied cryptography, or TLS
• Certificate Transparency and ACME experience
• HSM and hardware-backed key management
• Large-scale distributed security systems