Teamwork provides robust possibilities to assign specific permission levels, by schedule.
From the main Toolbar click Employees. Press Edit Employee, and select the Permissions Tab
From the dropdown menus, choose a Permission Level for each schedule required (Permissions are schedule specific!)
Scroll to the lower portion of the page to see definitions.
You may create custom permission levels in system settings. Creating Permission Templates
To create a FULL SYSTEM ADMINISTRATOR with UNLIMITED PERMISSION, use the the Admin "SWITCH".