I applied in-person. The process took 2 months. I interviewed at Biogen (Maidenhead, England) in Jun 2020
Interview
A couple of telephone HR interviews to start with and a formal interview with a panel of about 6 people. This included a presentation to the assembled interviewers (you've pre-prepared this) and an exam.
Interview questions [1]
Question 1
For your own examples against the Biogen elements (Biogen culture), previous experience and PV regs.