Engineering Graduate Trainee applicants have rated the interview process at Tenaris 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 47.8% positive. This is according to Glassdoor user ratings.
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The first stage was an assessment centre. I failed out this stage after the test. Overall, I think it is a good organization and the interview process was organized. The test questions were difficult though