Security Administrator

http://www.wageweb.com/jobdesc.htm

http://www.lgi.org/p3515.htm ($3.95 each job description and $15.00 minimum --)

http://www.linuxsecurity.com/docs/SecurityAdminGuide/SecurityAdminGuide.txt

http://www.infosecuritymag.com/articles/may01/features_career_advice.shtml

Great article with tons of links to anything you might want to know.
(you may want to type in link instead of cut/paste...spaces tend to creep into urls when pasting into this screen)

The Information Systems Security Officer's Guide by Gerald L. Kovacich

Is an excellent book to use.

Here is a link to the DOD description:

http://www.dss.mil/isec/change_ch8.htm

Look at sections 8-103 and 8-104.