I applied online. The process took 2 weeks. I interviewed at Mars
Interview
There's usually a quick screener call after HR has arranged for it which lasts between 30 minutes to an hour.
After that there's usually a panel interview that lasts for two hours. Where you get to present yourself, have a situational assement (30 minutes to prepare and 30 minutes to present). Following which there's a traditional interview.
Interview questions [1]
Question 1
What do you know about Mars?
Situational assessment varies from role to role but there usually is a written exercises for PR and comms roles.