Clean Harbors Interview Questions
Updated Jan 6, 2023
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- - Georgia
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- - Connecticut
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- - Florida
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- - Louisiana
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- - Iowa
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- - Omaha, NE Area
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- - Pascagoula, MS Area
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- - Zürich
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- - Chester, United Kingdom Area
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- - Alberta
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Interviews at Clean Harbors
Interviews for Top Jobs at Clean Harbors
- CleanPack Chemist (16)
- Project Manager (5)
- Chemist (3)
- Truck Driver (3)
- Class A Driver, Liquid (3)
- Analyst (3)
- Facilities Engineer (3)
- Manager (3)
- Sales Representative (2)
- Field Technician (2)
- Lab Technician (2)
- Field Chemist (2)
- Insite Chemist (2)
- Account Manager (2)
- InSite Project Manager (1)
- .NET Applications Development (1)
- Sandwich Making (1)
- Proposal Writer (1)
- Rail Transportation (1)
- Field Supervisor (1)
- Marketing Manager (1)
- Branch General Manager (1)
- Research Assistant (1)
- Business Analyst (1)
- Senior Project Manager (1)
- Business Data Analyst (1)
- LABOUR (1)
- Accounts Receivable Specialist (1)
- Field (1)
- In-site Waste Technician (1)
Featured Interview

Anonymous Employee
I applied online. I interviewed at Clean Harbors
It was good Initial round - HR round First round - Leads and Manager interview round Second round - Director interview round Third round - Onshore team interview round Final round - HR round for final discussions
- Questions on Previous experience and skills

Anonymous Interview Candidate
I interviewed at Clean Harbors
The atmosphere was professional and inviting and the staff impressive. They were thoughtful interview questions and we had quite enjoyable dialogue. Would recommend preparing for a standard interview that asks you to describe your skills, interest, and experience, while trying to connect with the interviewers.
- Can you describe you experience?

Anonymous Interview Candidate
I interviewed at Clean Harbors
The process was fine and smooth. The recruiter was fine and the process was quick from start to finish. I would recommend interviewing here. It was very easy to complete.
- Tell me about your previous work experience

Anonymous Employee in Great Falls, MT
I applied online. The process took 5 days. I interviewed at Clean Harbors (Great Falls, MT) in Dec 2022
guy called me and asked me questions and gave me overview of the job, called me back and offered me an hourly rate, discussed benefits and I accepted the job
- What is your driving background history?

Anonymous Employee
I interviewed at Clean Harbors
A lot of straight up questions about what you wanted to do and how long the work will last. Pretty easy and straightforward interview. The job itself its a nightmare, underpaid and they will steal hours from you. Be aware.
- Why do you want to work here?

Anonymous Employee in Kimball, NE
I interviewed at Clean Harbors (Kimball, NE)
Pretty chill, flew over to kimball nebraska, great process and everyone was extremely cordial. Site tour really helped put everything into perspective. Reimbursed for full trip in a timely fashion.
- Why do you want to work with us?

Anonymous Interview Candidate
I interviewed at Clean Harbors
Phone interview with a recruiter who was friendly, she asked a lot of behavioral questions including relevant experiences. She spent a lot of time emphasized the safety issues within the company, which is the central part of the interview questions.
- What would you do if you observed employees neglecting to follow safety procedures?

Anonymous Interview Candidate in Boston, MA
I applied online. The process took 1 week. I interviewed at Clean Harbors (Boston, MA) in Aug 2022
Wasn’t a great interview process. Went through two interviews and they ghosted me after the second - no feedback, no call. Know someone else who interviewed and they said they felt like they were only a diversity interview and the ghosting happened to them, too. They seem extremely unprofessional.
- Pretty standard questions asked overall

Anonymous Interview Candidate in New York, NY
I applied online. The process took 4 weeks. I interviewed at Clean Harbors (New York, NY) in Aug 2022
Excellent ok fair nice over all it making me to do this to look Glass door is making me do this to get a salary "on a company that I am interviewing with which I think is unnecessary...
- It went great. It went great

Anonymous Employee
I interviewed at Clean Harbors
Three rounds... Primary interview, technical and HR round.. About last company process.. Expectation and the timings is something you have to manage because my interview was at night 11:30 n lasted for 30 to 45 mints.
- 1. Technical question 2. About you previous process and experience 3. Why and what is my expectations from clean Harbour. 4. Why should they hire you. 5. Do check the bg of the company.
Clean Harbors Interviews FAQs
Glassdoor users rated their interview experience at Clean Harbors as 57.0% positive with a difficulty rating score of 2.32 out of 5 (where 5 is the highest level of difficulty). Candidates interviewing for Facilities Engineer and Analyst rated their interviews as the hardest, whereas interviews for Project Manager and CleanPack Chemist roles were rated as the easiest.
The hiring process at Clean Harbors takes an average of 19 days when considering 139 user submitted interviews across all job titles. Candidates applying for Project Manager had the quickest hiring process (on average 7 days), whereas CleanPack Chemist roles had the slowest hiring process (on average 27 days).
Common stages of the interview process at Clean Harbors according to 139 Glassdoor interviews include:
Phone Interview: 20.28%
Drug Test: 17.75%
One on One Interview: 17.46%
Skills Test: 12.11%
Background Check: 9.58%
Group Panel Interview: 6.48%
Presentation: 5.63%
IQ Intelligence Test: 4.51%
Personality Test: 3.94%
Other: 2.25%
Popular Careers with Clean Harbors Job Seekers
Work at Clean Harbors? Share Your Experiences
