I have:
Icon for indicating admin panel or command post section, where superusers can manage other users and so on

Include any example images so we know what the icon should look like.
Would monitor-dashboard work?
I think I would go with the console icon:

Would
monitor-dashboardwork?
Not really because I already have dashboard section and use this icon there
I think I would go with the
consoleicon:
It is a bit confusing for the superusers since they are not necessary programmers, I think
I don't think you're going to be able to git multiple monitors in the small space we have to follow your example. Do you have any other ideas on how to convey this?
This is as good as I believe it can get with the current MD Guidelines.

Meh.
That was my thought. Not much of a fan.
Gonna close this out as I feel the alternatives provided cover this as best we can.