If you want to add more than the default admin account to Cirrus, then please follow the steps below..
How to add an Admin Account
1) Log in to your Cirrus Admin account.
2) Click on the setting cog in the bottom left corner.
3) Click on the Admin Users submenu.
4) Click on Add User.
5) Fill in the Email, First Name, and Last Name fields for the user you are adding.
6) Click the toggle to add the role of Administrator.
7) Click on Save.