government opportunities in this state:

California EDD Workforce Services  

Provides various state government and other employment opportunities in California
Find jobs at http://www.caljobs.ca.gov/ - California Employment Development Department (EDD) Job Service
Find california government jobs at http://jobs.spb.ca.gov - State Personnel Board  

USAJOBS.gov and Studentjobs.gov  

United States Office of Personnel Management website. USAJOBS is the Federal Government\'s official one-stop source for Federal jobs
http://jobsearch.usajobs.gov/

For Student hiring programs in the federal government including summer employment
http://jobsearch.studentjobs.gov/