Doing a quick search for the keyword "attorney" revealed over 200 positions on http://www.usajobs.gov/ which is the official website for vacancies for the US Federal goverment. Please be sure to check their website daily!
Also, make sure to check out the current Department of Justice Attorney vacancies at http://www.usdoj.gov/oarm/attvacancies.html.
If you want more information about working at the DOJ, you can visit the attorney profiles at, http://www.usdoj.gov/oarm/arm/profiles.htm, and the video clips of attorneys and interns available at https://www.avuedigitalservices.com/ads/jobsatdojoarm/index.jsp
