I applied through an employee referral. The process took 1 day. I interviewed at Center for Environmental Research and Technology (Riverside, CA) in June 2016
Interview
I came at 10am and was greeted by the receptionist at the front. It was a fairly short wait before I was led to a room and we proceeded to have the interview over Skype with one of the professors. The interview itself was not really technical but more about going over your resume. Overall while I did not get accepted it was a pleasant interview.