Opportunities for recent Ph.D. graduates can be found in industry, national labs, nonprofit institutions, and government. Below is a selection of postdoctoral fellowship opportunities for a range of disciplines and backgrounds.
STScI Postdoctoral Fellowships
JHU APL Doctoral Level Opportunities
Center for Astrophysics Fellowships and Visiting Scientist Positions
US National Labs Postdoctoral Positions
AGU Job Board Postdoctoral Positions