We are seeking a Senior Microsoft 365 Engineer to join our team and support enterprise-scale Microsoft 365 environments. In this role, you will manage and optimize collaboration platforms, drive automation, and ensure secure, compliant operations across large commercial tenants serving thousands of users. Responsibilities Administer Microsoft 365 at enterprise scale across large commercial tenants with 10K+ users Oversee SharePoint Online and OneDrive administration, including information architecture and governance Manage Microsoft Teams administration, voice/telephony and policy configuration Configure and maintain Microsoft Purview capabilities such as DLP, retention, sensitivity labels and eDiscovery Deliver Viva Insights configuration, org data management and privacy-safe analytics Develop automation and scripts using Power Platform, PowerShell and Microsoft Graph API Maintain Azure Active Directory / Entra ID, Conditional Access and role-based access management Apply zero-trust s...