Engineers make anywhere from $50,000 to over $100,000 per year depending upon how much experience they have and their credentials. Engineers typically design, impliment and manage computer networks.

Administrators make anywhere from $45,000 per year to $75,000 per year. Administrators typically work for Network Engineers and maintain a network once it's up and running.

They make $75,000 to $250,000. Do the same thing as a Network Engineer except they also understand what it takes to make a network secure. Many of these guys are certified hackers (also called certified penetration specialists) and can hack into most networks.

$50,000 to $150,000 per year. These are programmers that develop custom applications for companies and for websites.

$50,000 to $80,000. Use programming languages to build custom applications, web design and functionality, video game programming.

$50,000 $120,000. Use programming skills to develop interactive websites that typically link to databases and internal custom developed business applications.