Tech Ops applicants have rated the interview process at Merck 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 68.3% positive. This is according to Glassdoor user ratings.
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It was just one virtual (video) interview, since I had already spoken to them at career fair. The recruiter was very nice and let me ask so many questions. I was not asked any technical questions.