I applied through university. I interviewed at Pentek (Upper Saddle River, NJ) in Dec 2016
Interview
Got contacted by hiring manager and scheduled a phone screen about some basic technical questions. After that invited for on-site interview. Usually it was about 2 hours of interview with 3-4 people sitting in the conference room. People will ask some technical question on the embedded area
Interview questions [1]
Question 1
Embedded basic
how to handle interrupts and buffer