I applied in-person. The process took 1 day. I interviewed at Desert Research Institute (Las Vegas, NV) in Jan 2017
Interview
They will ask you about what type of research and experiments you are familiar with. You will be trained but having an understanding of how to use lab equipment and avoid cross-contamination is a plus!
Interview questions [1]
Question 1
What major you are studying, where, and what is your GPA.