The Internet Sleuth offers a fine compilation of employment search services on one page. An employment search is not all you can do with Internet Sleuth.
Search engines targeted at many topics are available here.
Below are a couple of sites that provide links to newspapers around the country. One may search by metropolitan area or by state. Education World's Education Employment Center isn't big at the moment, but could grow in the near future. In any case, it is extremely easy to use.