Two interviews with people on the team. not super hard. all behavior and no technical questions. Not a lot of time between interviews which was nice - didn't have to wait for that long.
It was really smooth and they were really personable. They also were really on top of the hiring process, I only waited a week or two to hear back in between stages starting from the first video recorded interview.
completed virtual interview asked me to tell them about myself/experience, why I want to work at Arup, my graduation date, if I am eligible to work, if I will be available for the posted date.