One of my engineers seems a bit like Jeremy Clarkson, he carries something that looks like hammer. and when he comes round to fixing a machine, he goes WHY WONT YOU WORK?! and hits it with the hammer.
@scar01: 1: go into the Staff menu at the top. 2: click the tab with the people you want to promote in it (Janitor, Electrician, Security and entertainer) 3: click the "promote button underneath the images
4: if you need to find some more people, click the thing next to the "1/2 etc. word at the bottom.