USA Jobs- The Official Site for Federal Jobs

U.S.A. Jobs is the official site for nearly all federal job opportunities. 

www.usajobs.opm.gov

There is no better way to learn how to use the U.S.A. Jobs site than to use its tutorials:

http://www.usajobs.gov/EI/tutorials.asp#icc

We will be providing blog entries periodically on specific aspects of federal government job search, and U.S.A. Jobs will be at the forefront for many of those entries. We do recommend that you visit the specific site for each government agency, as there are some that may have their own Careers section to go through. In most situations, U.S.A. Jobs is the site to use.