Clean Harbors Customer Service Representative interview questions
based on 5 ratings - Updated Apr 21, 2026
Averageinterview difficulty
Very positiveinterview experience
How others got an interview
50%
Applied online
Applied online
25%
Recruiter
Recruiter
25%
Employee Referral
Employee Referral
Interview search
5 interviews
Clean Harbors interviews FAQs
Customer Service Representative applicants have rated the interview process at Clean Harbors 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 76.5% positive. This is according to Glassdoor user ratings.
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I applied through a recruiter. The process took 3 weeks. I interviewed at Clean Harbors (Norwell, MA) in Mar 2025
Interview
Participated in 5 total interviews, including the recruiter for Clean Harbors. They varied in questioning and difficulty, of the 5 I thought that only one interview made me question whether I would get an offer.
Nice people, good informal interview. Honest about company needs for position. Filling this in because of a minimum word count. More words needed. Yes still more words needed, this platform needs work
I applied through an employee referral. I interviewed at Clean Harbors (New York, NY) in Jan 2017
Interview
Two interviews with direct manager and another with supervisor. Both occurred in the same week and I heard back two weeks later. Offer letter the day after the call from the manager.