Here's How It's Done:
Navigate to the "Settings" section of your organization.
Choose "Admin Users"
Click "Invite Admin"
Type in the email of the user and press "Continue"
In the "Employee Access" section, specify which group of Employees this user can access
In the "Permissions" section, choose the Role of this user
Click on "Send Invite"
The user is now invited to the account as an Admin. Please note that you can also edit the privileges. Click "Edit" and update the "Employee Access" and "Permissions" if you have made a mistake.
Need more information about Admin Roles? Learn more here.