Chemical Engineer applicants have rated the interview process at Delek US with 2 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 53.9% positive. This is according to Glassdoor user ratings.
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An informal Interview, made me feel comfortable working in the environment, and feel welcome at the site. The interview seemed more to how the fit at the company would be.