I applied online. The process took 2 months. I interviewed at Mars (Leicester, England) in Nov 2017
Interview
Online application- general background and competency questions
online assessment- logic reasoning, fairly standard, not too difficult
"first interview"- afternoon consisted of 6 applicants, group task, pre-prepared presentation and competency interview at Mars sight in Leicestershire.
Interview questions [1]
Question 1
have you ever had an argument or raised your voice at someone over a task?