Depends on the department interviewing you. One Department, D486 was very thorough and was seeking very technical people. The other two departments I interviewed with D443 and D425 were much more relaxed, did a couple of go/no-go questions and were satisfied. Then they took the time to try to gauge my personality. Received offers from D443/D425. D486 needed people that were more power savvy than I was, especially for the upper level engineering jobs.