Experience with publicly trusted CAs, private PKI, managed certificate services, or platforms such as AWS Certificate Manager, AWS Private CA, Google Trust Services, DigiCert, Sectigo, Let''s Encrypt / ISRG, Entrust, Microsoft PKI, HashiCorp Vault PKI, step-ca, or CFSSL. Define the product strategy for Cloudflare''s CA business across publicly trusted certificates, certificate lifecycle automation, ACME issuance, renewal workflows, revocation, Certificate Transparency, customer controls, developer experience, and integrations with Cloudflare''s broader platform.