I applied through college or university. The process took 2 weeks. I interviewed at Chevron (Concord, CA) in Nov 2009
Interview
very responsive to emails and one-to-one meetings setup.
onsite visit at San Ramon if you get through the first round of interviews.
Horizons program invites college undergrad and grads to try out Chevron IT in their various departments and you're usually assigned to 3-4 assignment during the 5 years in the program.
Interview questions [1]
Question 1
Please give us one example of something you failed in the past