Staff Scientist applicants have rated the interview process at Ecolab with 4 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 69.3% positive. This is according to Glassdoor user ratings.
Here are the most commonly searched roles for interview reports -
Tree steps, one with HR, one with RD&E manager, another is on site interview. On site interview is a day long and including technical presentation. And also during the day, all the managers make interviews.