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Janitor Interview Questions

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Indeed’s Employer Resource Library helps businesses grow and manage their workforce. With over 15,000 articles in 6 languages, we offer tactical advice, how-tos and best practices to help businesses hire and retain great employees.

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Whether you are preparing to interview a candidate or applying for a job, review our list of top Janitor interview questions and answers.

  1. What is your process for cleaning a washroom? See answer
  2. Has an employer ever been unhappy with your work? What did you do? See answer
  3. What cleaning or repair duties did you have in your previous role? See answer
  4. What skills do you have that make you a good janitor? See answer
  5. Can you mix bleach with other cleaners? Why or why not? See answer
  6. How often do you clean your cleaning equipment? See answer
  7. How do you stay motivated at work, especially when tasks become repetitive? See answer
  8. What cleaning machines do you have experience with? See answer
  9. How do you clean when other people are around? See answer
  10. If you just finished cleaning an area and someone came and dirtied it, what would you do? See answer
  11. What would you do if you noticed a colleague not following health and safety protocols? See answer
  12. If someone called you to clean up a spill, what steps would you take? See answer
  13. How do you manage your time effectively on your own? See answer
  14. Are there any duties you aren’t willing to perform?
  15. If you noticed a safety issue that you weren’t able to fix, what would you do?
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Hire your next Janitor today.

Post a job

Hire your next Janitor today.

Post a job
Our mission

Indeed’s Employer Resource Library helps businesses grow and manage their workforce. With over 15,000 articles in 6 languages, we offer tactical advice, how-tos and best practices to help businesses hire and retain great employees.

Read our editorial guidelines

15 Janitor Interview Questions and Answers

What is your process for cleaning a washroom?

The aim of this question is to test the candidate's technical knowledge and ability to clean a washroom thoroughly. What to look for in an answer:

  • Established process for cleaning washrooms
  • Experience in a similar role
  • Ability to adapt to different environments

Example:

"When cleaning a washroom, I will start by spraying down the shower, sink, toilet, and other surfaces with a cleaner and let them sit for a bit to kill bacteria. I'll wipe down the mirror with glass cleaner in the meantime. When that's done, I'll clean the sink, the toilet, then the shower. Finally, I'll sweep and mop the floor and remove the garbage."

Has an employer ever been unhappy with your work? What did you do?

The aim of this question is to assess the candidate's ability to receive criticism professionally. What to look for in an answer:

  • Strong communication skills
  • Ability to admit to their mistakes and learn from them
  • Willing to listen to constructive criticism

Example:

"One time, I swept and mopped a hallway and moved onto another room. When I was done, I told the client, and they did a walkthrough. They came back angrily and said the hallway looked dirty still. I went to check, and someone had brought mud in from outside. I apologized and explained to my employer that someone must have come in after I cleaned the hallway and said I would do it again. Now, I always perform a final walkthrough myself first before telling the employer I'm done."

What cleaning or repair duties did you have in your previous role?

The aim of this question is to assess the candidate's experience. What to look for in an answer:

  • Experience in a similar role
  • Ability to perform the duties you offer
  • Understanding of the role

Example:

"In my previous role, I worked at a school. I had to clean the school after hours and spot clean any spills or messes throughout the day. This included cleaning washrooms, offices, classrooms, the gym, and the library. The school had a maintenance worker, so I wasn't responsible for any repair work."

Are there any duties you aren't willing to perform?

The aim of this question is to determine whether the candidate is comfortable performing the tasks you require them to. What to look for in an answer:

  • Willingness to take on any duties or responsibilities
  • Experience in a similar role
  • Ability to adapt to different environments

Example:

"I have experience performing a wide range of duties, from cleaning up after children to cleaning bathrooms. There are some duties I prefer more than others, but I am happy to complete any sort of task that is safe."

What skills do you have that make you a good janitor?

The aim of this question is to assess the candidate's skill set to determine if they would be a good fit for your team. What to look for in an answer:

  • Possession of skills you're looking for in a janitor
  • Understanding of the role
  • Confidence in their abilities

Example:

"I think my greatest skills as a janitor are my communication skills. Having good communication skills ensures I can listen to instructions easily and get my work done to the employer's standards. I also have a lot of experience as a janitor as I have been one for five years. This has built up my technical skills and cleaning knowledge, making me an ideal candidate."

Can you mix bleach with other cleaners? Why or why not?

The aim of this question is to test the candidate's technical knowledge. What to look for in an answer:

  • Understanding that you shouldn't mix bleach with other cleaners as it can create toxic gases
  • Experience in a similar role
  • confidence in their knowledge

Example:

"You should never mix bleach with other cleaners as it can cause toxic fumes or chemical burns. Mixing bleach and ammonia turns into chloramine gas, for example. It's always better to never mix cleaning products as you never know how their ingredients will react."

How often do you clean your cleaning equipment?

The aim of this question is to assess the candidate's ability to keep their environment and equipment clean regularly. What to look for in an answer:

  • Experience working with common cleaning equipment
  • Knowledge of how often to clean their equipment (typically daily)
  • Ability to keep their environment and equipment clean

Example:

"I clean my equipment at the end of every shift. I don't want to place dirty equipment, such as mops or buckets, into a clean closet or storage area as it will contaminate the rest of the space. Cleaning my equipment daily also makes it easier to maintain."

How do you stay motivated at work, especially when tasks become repetitive?

The aim of this question is to assess how well the candidate can work independently, regardless of how repetitive the tasks may be. What to look for in an answer:

  • Ability to motivate themselves
  • Experience in a similar role
  • Willing to perform repetitive tasks

Example:

"I motivate myself by performing my tasks perfectly. I enjoy seeing space go from dirty to clean by my hands and work, it motivates me to keep going. Repetitive tasks don't bother me either as it gives me the opportunity to improve upon my work and speed every time I do them."

What cleaning machines do you have experience with?

The aim of this question is to assess the candidate's experience with common machinery to determine if they would need further training. What to look for in an answer:

  • Experience using the same machinery you use
  • Knowledge of basic custodial tools
  • Willingness to learn how to use new equipment and machinery

Example:

"I have experience working with commercial vacuum cleaners, floor scrubbers, polishers, pressure washers, and carpet cleaners. I would be happy to learn how to use any other equipment or machinery you prefer as well."

If you noticed a safety issue that you weren't able to fix, what would you do?

The aim of this question is to assess the candidate's ability to go above and beyond to call out issues that may be out of their job scope. What to look for in an answer:

  • Strong communication skills
  • Ability to follow company protocols
  • Good attention to detail

Example:

"If I noticed a safety issue that I wasn't able to fix, I would block off the area so no one gets injured. I would then bring it up with my supervisor so they can schedule someone to fix it. I would help them fill out any paperwork if necessary."

How do you clean when other people are around?

The aim of this question is to assess how the candidate would work when other people are in the area. What to look for in an answer:

  • Ability to clean with other people around
  • Established strategies for working between foot traffic
  • Willing to create a safe, clean environment for people in the area

Example:

"When other people are around, I always ensure to clean small areas at a time so I don't disturb them or create an unsafe environment. For example, I won't mop an entire floor at once, I will mop a room or hallway at a time and place a wet floor sign. I also try to clean the busiest area first so people won't walk through or use dirty areas and bring it into a clean area. It also gives me the opportunity to go back and spot clean the busier areas before I leave."

If you just finished cleaning an area and someone came and dirtied it, what would you do?

The aim of this question is to assess the candidate's communication skills and ability to remain calm and professional in tense situations. What to look for in an answer:

  • Strong communication and interpersonal skills
  • Willing to clean an area twice if necessary
  • Patience

Example:

"If someone came into a room after I cleaned it and dirtied it, I would let them know that I just cleaned the area. This would hopefully prevent any further messes before I leave. I would then spot clean the areas they dirtied so I could leave the area as clean as possible."

What would you do if you noticed a colleague not following health and safety protocols?

The aim of this question is to assess the candidate's ability to handle potential confrontation and uphold safety regulations. What to look for in an answer:

  • Strong communication skills
  • In-depth knowledge of safety regulations
  • Willing to adhere to and enforce safety regulations if necessary

Example:

"Health and safety protocols are in place to help keep everyone safe, so I would approach my colleague if they weren't following the rules. I would let them know the rule and explain that they're working unsafely. They may just not know about the regulations. But if they continue not following health and safety regulations, I would escalate the issue to my supervisor."

If someone called you to clean up a spill, what steps would you take?

The aim of this question is to assess the candidate's technical knowledge and ability to clean up a spill safely and effectively. What to look for in an answer:

  • Experience as a janitor
  • Ability to follow safety regulations
  • Willing to clean up spills

Example:

"If someone called me to clean up a spill, the first thing I would do is block off the area. This will prevent the spill from spreading and stop anyone from slipping on it. Then, how I clean the spill will depend on what it is. For example, if it's blood or vomit, I would need to disinfect the area thoroughly with bleach. If it was a chemical spill, I would need to absorb it with something neutral and wash the area with a cleaning solution."

How do you manage your time effectively on your own?

The aim of this question is to determine whether the candidate can work independently as they will often go unsupervised. What to look for in an answer:

  • Experience in a similar role
  • Strong time-management skills
  • Ability to work alone

Example:

"I manage my time by making a to-do list at the start of every shift. I write down all my tasks with the highest priority ones at the top to ensure I complete them. Throughout the day, I consult my list and check items off of it. This helps keep me organized and motivated to keep going. I also have alarms for break times and the end of my shift as I will often work through them by accident."

Three individuals are sitting at a table with a laptop, a disposable coffee cup, notebooks, and a phone visible. Two are facing each other, while the third’s back is to the camera. The setting appears to be a bright room with large windows.

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