An M365 Engineer is responsible for managing, deploying, and optimizing Microsoft 365 services, including Exchange Online, SharePoint, Teams, and Intune. They ensure security, compliance, and seamless collaboration across an organization's cloud infrastructure. Their role often includes troubleshooting technical issues, implementing automation, and integrating Microsoft 365 with other enterprise systems. Strong expertise in PowerShell scripting, identity management (Azure AD), and security policies is typically required.