I applied online. The process took 4 weeks. I interviewed at Caterpillar
Interview
Began the hiring process with a half-hour phone interview. Was then invited to Peoria for the next round. This round consisted of 3 1-hour long interviews. Received an offer within the next week.
Interview questions [1]
Question 1
There wasn't really any difficult questions. All questions were of the expected type and not to terribly hard to answer.