Explanation
Step 1:
Click Resource groups from the menu of services to access the Resource Groups blade

Step 2:
Click Add (+) to create a new resource group. The Create Resource Group blade appears. Enter corp7509086 as the Resource group name, and click the Create button.

Step 3:
Select Create.
Your group is created and ready for you to add members.
Now we need to assign a role to this resource group scope.
Step 4:
Choose the newly created Resource group, and Access control (IAM) to see the current list of role assignments at the resource group scope. Click +Add to open the Add permissions pane.

Step 5:
In the Role drop-down list, select a role Delegate administration, and select Assign access to: resource group corp7509086

References:
https://docs.microsoft.com/en-us/azure/role-based-access-control/role-assignments-portalhttps://www.juniper.net