I applied online. The process took 4 weeks. I interviewed at Mars (Castle Cary, England) in Feb 2017
Interview
Applied online, contacted to arrange a telephone interview, rather difficult 30 minute interview, 3 days later I was offered a panel interview. I had to give a 10 minute presentation with 20 minutes of questions, followed by a formal interview of about an hour. I received feedback 3 days later.
Interview questions [1]
Question 1
Can you tell us of a time when you witnessed someone solve a problem that you didn't think was possible