Systems management means devising ways to use the computing resources of an organisation in the most efficient way possible. For most organisations, that's not quite what I am saying, but it's close. People, and the processes and procedures they follow, are resources too. If your organisation does not use them effectively, then spending umpteen million on hardware and software is not going to result in efficiency. Which leads to the 11 things you've heard before about systems management but need to hear again .
Machines cost money.
Fashion is fickle. Change is a Pain. Miracles seldom occur. Fix your procedures, you fix your problems. Good people are good value.