I applied through an employee referral. The process took 1 week. I interviewed at Lawrence Livermore National Laboratory (Livermore, CA)
Interview
I presented my research topic (during phd) for 1hr and, and had 1-on-1 meeting (30 min each) with about 12 people (including 2 from HR dept). I got questions mostly about my research.
Interview questions [1]
Question 1
asked about one of the detector devices(how to calibrate, basic physics)