The job role of an Azure Administrator are as follows:-
Ability Restart/bounce the Azure components/clusters/VMs
Create and manage swap space on deployed cloud system per customer policies In support of the deployed cloud systems and environments
create custom scripts to automate support processes where applicable Ability to Power off/ Down the un-used VMs Ability to identify issue at Azure level and resolve.
Manage Azure subscription and profiles
Hope this helps!!
If you want to become the one, It is recommended to join Azure certification course today.