My interview process was over several hours with several positions, specifically the engineering staff with whom I'd be working as well as my managing supervisor. The interview process went well enough, there wasn't anything particularly difficult or stressful about it since the interviewers were all very cordial and interested to see if I could be of use. My process was not as short as many others though, considering my lower position in the office hierarchy, but the general process was the same for anyone else I have seen come through.