Microsoft has created four new roles specifically for admins responsible for Microsoft Teams. Roles give people in your organization permission to do specific tasks in the Microsoft 365 admin center.
This new admin roles are now available to assign in your Microsoft 365 admin center or by using PowerShell.
Teams service admin Can manage all aspects of Microsoft Teams except license assignment. This includes policies for calling, messaging, and meetings; use of call analytics tools to troubleshoot telephony issues, and management of users and their telephony settings.