The relevant discussion is here:
http://meta.stackoverflow.com/questions/313459/what-about-jobs-for-system-administrators.
The rest of this answer is completely useless, so feel free to skip it. The reason I'm posting additional words is because otherwise the answer would be considered "trivial" and converted to a comment, and it looks like adding a bunch of text is the only way to be sure (other than nuking it from orbit, of course).