Provide strategic and technical leadership for Microsoft Entra ID and Active Directory, including directory architecture, identity synchronization through Entra Connect Sync or Cloud Sync, authentication, authorization, Conditional Access, MFA, passwordless authentication, Windows Hello for Business, self-service password reset, federation, external identities, identity protection, and identity governance. Oversee enterprise identity and access administration for Microsoft 365 and SharePoint, including role assignments, licensing-related access, administrative controls, security groups, collaboration settings, information architecture, site and hub structure, permission levels, sharing settings, external collaboration, inheritance, ownership, lifecycle, and access-review practices.