JPL interviewed on campus in a panel format. I was supposed to have three interviewers, but my third never showed up. The interviewers were given an hour total to figure out if their sections might be interested in hiring me. They asked their general questions about my coursework and why JPL, along with asking specifics regarding why I'd fit their particular teams. At the end of the interview, I was told that they'd forward information along to the teams at JPL for review.