Design and maintain enterprise architecture for Microsoft 365 and unified communications services (Exchange, SharePoint, Teams, OneDrive, Office365, and other MSFT platforms) and adjacent tools such as PowerBI, PowerPlatform, and Viva. You will partner closely with security, networking, identity, and end-user computing teams to drive consistent, reliable patterns, ensure compliance and resiliency, and guide stakeholders toward decisions that improve user experience and operational maturity.