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Clean Harbors Senior Automation Engineer Interview Questions and Answers

Updated 13 Jan 2022

Clean Harbors Senior Automation Engineer Interview Experiences

1 interview found

I applied via Recruitment Consulltant and was interviewed in Jul 2021. There were 4 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. They will check your approach and basic questions and ask your approach. They need enthusiasm and activiness . Asked some technical syntax and how you did it
Round 2 - HR 

(5 Questions)

  • Q1. What are your salary expectations?
  • Q2. What is your family background?
  • Q3. Share details of your previous job.
  • Q4. Why are you looking for a change?
  • Q5. He was very straight forward you have to deal with honesty otherwise he can easily identify
Round 3 - Technical 

(1 Question)

  • Q1. This was taken by onsite director. He was so enthusiastic to know about different approaches and views and how you want to work .. he explains what he wants from you
Round 4 - One-on-one 

(1 Question)

  • Q1. It will be with India director. He explains about the things and check your honesty and your interests

Interview Preparation Tips

Interview preparation tips for other job seekers - Till now it was good for me we can learn more...

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in Oct 2024. There were 3 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Write unit testing for adding two nimbers
  • Ans. 

    Unit testing for adding two numbers

    • Create a test case with two numbers and expected sum

    • Call the function that adds two numbers

    • Assert that the result matches the expected sum

  • Answered by AI
Round 2 - Behavioral 

(1 Question)

  • Q1. Explain challenge you faced in your last project
Round 3 - HR 

(1 Question)

  • Q1. Salary expectations

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare on fundamentals and previous projects

Skills evaluated in this interview

I appeared for an interview before Feb 2021.

Round 1 - HR 

(3 Questions)

  • Q1. Tell me about yourself.
  • Q2. Share details of your previous job.
  • Q3. What are your salary expectations?
Round 2 - Technical 

(2 Questions)

  • Q1. Quality site inspection
  • Q2. Materials Testing & Third party Inspection

Interview Preparation Tips

Interview preparation tips for other job seekers - What about cement Test,Soil Test

I applied via Company Website and was interviewed before Jan 2021. There were 3 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. Pumps, Motors & Aerators
  • Q2. Working principle of pumps and Aerators
  • Ans. 

    Pumps and aerators are used to move fluids and gases respectively.

    • Pumps work by creating a pressure difference to move fluids from one place to another.

    • Aerators introduce air into liquids to increase oxygen levels and promote biological processes.

    • Types of pumps include centrifugal, positive displacement, and jet pumps.

    • Types of aerators include surface aerators, diffused aerators, and mechanical aerators.

  • Answered by AI
  • Q3. Pump calculation

Interview Preparation Tips

Interview preparation tips for other job seekers - Need more dedication and avoid unnecessary talks while answering important questions
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before May 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Aptitude Test 

MCQ based 50 marks 50 questions test.

Round 3 - HR 

(3 Questions)

  • Q1. Family background
  • Q2. Relocation issue
  • Q3. Why applied in Ramky

Interview Preparation Tips

Interview preparation tips for other job seekers - Just clear the aptitude round & go for HR interview confidently. You'll crack it.

I applied via Naukri.com and was interviewed in Mar 2021. There were 5 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Network, STP, Wet well, Pumping Station related.
  • Q2. TECHNICAL STP & WET WELL RELATED

Interview Preparation Tips

Interview preparation tips for other job seekers - Deep knowledge about planning, schedule & Execution .

I applied via Walk-in and was interviewed before Dec 2021. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Group Discussion 

Detailed information about the previous company where i worked.Discussed with project manager regarding my roles and assignments i had taken on work location.Along with that we discussed about my academic projects and skills that i had mastered in my career

Round 3 - Assignment 

Interviewers gave me the task to elaborate the design of pollution control equipments and assessments

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Jun 2023. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Basics of Water Treatment
  • Q2. Working Principle of DM Plant
  • Ans. 

    DM Plant removes impurities like salts and minerals from water using ion exchange process.

    • DM Plant stands for Demineralization Plant.

    • It uses ion exchange process to remove impurities like salts and minerals from water.

    • It consists of cation exchange resin and anion exchange resin columns.

    • Cations and anions in water are exchanged with hydrogen and hydroxyl ions in the resins.

    • The treated water is then passed through mixed...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Ion Exchange India Senior Engineer interview:
  • Water Treatment
  • Waste Water Treatment
Interview preparation tips for other job seekers - Study Basics of Water Treatment
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I appeared for an interview before Mar 2024, where I was asked the following questions.

  • Q1. What are the basics and advanced concepts related to water and wastewater management? different techniques of water softening,ion exchange,reverse osmosis, chlorination,ozone
  • Q2. Can you describe the projects you have executed, the challenges you faced during those projects, and the ways you overcame those challenges? Please provide the names of a few projects and highlight any rem...
  • Ans. 

    Led multiple engineering projects, overcoming challenges through innovative solutions and teamwork.

    • Project A: Developed a scalable web application, faced performance issues, optimized database queries to enhance speed.

    • Project B: Implemented a cloud migration strategy, encountered data security concerns, established robust encryption protocols.

    • Project C: Designed an IoT system for smart homes, struggled with device inte...

  • Answered by AI
  • Q3. What was your role in your previous company, and which clients did you serve?
  • Q4. Are you comfortable with relocating and traveling for work?
  • Q5. How did you learn about our organization, and in what ways can you contribute to our team?
  • Ans. 

    I discovered your organization through industry research and networking, and I can contribute with my expertise in software development and team leadership.

    • I learned about your organization through LinkedIn, where I followed your projects and innovations in the tech space.

    • I can contribute by leveraging my 8 years of experience in software engineering to enhance product development efficiency.

    • My background in Agile meth...

  • Answered by AI
  • Q6. What are your goals for the next five years?
  • Ans. 

    In the next five years, I aim to enhance my technical skills, lead projects, and contribute to innovative solutions in engineering.

    • Develop expertise in emerging technologies, such as AI and machine learning, to stay ahead in the field.

    • Lead cross-functional teams on major projects, ensuring timely delivery and high-quality outcomes.

    • Mentor junior engineers, sharing knowledge and fostering a collaborative work environment...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - For beginners, there are many opportunities to learn and gain knowledge; however, experienced individuals should avoid it, as the growth potential is very low despite job security.

I applied via Naukri.com and was interviewed in Feb 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(1 Question)

  • Q1. Concrete structure and water supply related
Round 3 - HR 

(3 Questions)

  • Q1. What are your salary expectations?
  • Q2. Share details of your previous job.
  • Q3. Where do you see yourself in 5 years?

Interview Preparation Tips

Interview preparation tips for other job seekers - Very good response by HR team and managment

Clean Harbors Interview FAQs

How many rounds are there in Clean Harbors Senior Automation Engineer interview?
Clean Harbors interview process usually has 4 rounds. The most common rounds in the Clean Harbors interview process are Technical, HR and One-on-one Round.
What are the top questions asked in Clean Harbors Senior Automation Engineer interview?

Some of the top questions asked at the Clean Harbors Senior Automation Engineer interview -

  1. They will check your approach and basic questions and ask your approach. They n...read more
  2. This was taken by onsite director. He was so enthusiastic to know about differe...read more
  3. It will be with India director. He explains about the things and check your hon...read more

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4.3/5

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