In Constellix you have the ability to add sub-users and configure their control permissions.
Click on Management
Navigate to Users, under your Manage option
Click on "Add User"
This section will allow you to edit your user’s information and click "save" to finalize those changes/additions.
Once Accepted you will see a Screen stating "User has been created" & "Their Confirmation has been sent to the email address you specified.Finally, you can set permissions for each user within your Constellix account. You can see that User1 only has access to the Billing Information for this account, whereas user3 has access to Constellix DNS, Sonar and RTA.