I applied in-person. The process took 5 months. I interviewed at Vale (Rio de Janeiro) in Nov 2011
Interview
I was called to a personal interview on Vale's HQ, however, before that they asked all my information such as CV, references and personal data. I know that, before my interview they did a background check.
Interview questions [1]
Question 1
They basically asked about my previous experience and checked my language skills.