Provide hands-on technical leadership for complex troubleshooting across Kerberos, SPNs, delegation, certificates, federation, conditional access, MFA, SAML assertions, OAuth flows, DNS, and network authentication dependencies. You will lead the design and advancement of next-generation identity capabilities across Microsoft Entra ID, AWS IAM Identity Center, federation, privileged access management (PAM), conditional access, PKI/certificate services, identity automation, and cloud-native security controls.