Environmental Technician II applicants have rated the interview process at TVA with 3 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 63.5% positive. This is according to Glassdoor user ratings.
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It's a panel interview where they ask the same 9 questions to each individual candidate. Some behavioral and some technical. They then compare all candidates answers and choose who is the best fit for the company.