SLAC Job Postings About SLAC National Accelerator Laboratory SLAC National Accelerator Laboratory is a U.S. Department of Energy laboratory operated by Stanford University. For over 60 years, SLAC has been at the forefront of scientific discovery, exploring how the universe works at the biggest, smallest, and fastest scales. From particle physics to astrophysics, materials science to biology, SLAC's world-class research facilities and scientific expertise drive innovation and push the boundaries