A system administrator’s job is unglamorous but essential to keeping IT operations running smoothly, so this involves being the real nuts and bolts of the business.

If you're anything like the average System Administrator, you are understaffed, underfunded, and overworked. By now, you've also gotten used to the idea that no one knows you exist until the mail ...

Take, for example, the job of security systems administrator. The national median salary for this job is $66,517, according to Glassdoor, compared to $65,273 for a systems administrator.

This slideshow is an overview of a system administrator’s job role and what is required to become one. The next slide reveals the typical salary of a systems administrator. View All Photo Stories ...