It was full day interview about 5 hours interview with 5 different leads/managers - all of whom represented different but related engineering area like software, design, project manager, application lead.
After that about half an hour of hr interview.
Mos of questions were based on their standard behavior questionnaire e.g. Describe conflict situation , give example of innovation, best practice used etc. since all of the questions are open ended you have relate it to your past experiences and examples.