How to make a user a SCOM admin (How to assign members to SCOM user roles)
In the Operations Manager (SCOM) console, click Administration (bottom left).
Expand Security and click on User Roles.
Right-click on the user role you wish to add your user to, for example
Operations Manager Operators, and click Properties.
Click the Add button.
Type the name of the user (or group) that you want to add.
Click OK, and OK again.
How to make a user a SQL sysadmin