Be prepared for anything. Make sure you know something about the company and that you have at minimum looked at their website. Initially I had several phone interviews the the HR/Talent recruiter - who is actually contracted out. I had to prepare a written document and submit that prior to our phone interview. Then I had the initial phone interview (typical of most). The second phone interview consisted of Q & A. Then I had 1:1 interviews with staff in the department. It lasted about four hours. The last interview was with some senior department people. (It was down to three of us.)