I applied online. The process took 1 week. I interviewed at Ecolab (Buenos Aires) in Mar 2014
Interview
4 steps, 1st with the HR people, 2nd with the managers, 3rd with the team leader and 4th again the managers. I know is a bit large but this happened in one week. It is a quick process. And the question are very normal. There were not tricky questions.
Interview questions [1]
Question 1
How many languages do you speak?
Why Ecolab?
How do you see yourself in 5 years?