17 Lab Technician Interview Questions and Answers

Learn what skills and qualities interviewers are looking for from a lab technician, what questions you can expect, and how you should go about answering them.

Lab technicians play a critical role in the medical field by conducting tests and analyzing results in a laboratory setting. This position is responsible for a wide range of tasks, from preparing specimens to recording data.

If you’re looking to work in a lab, you’ll likely need to go through a lab technician interview. This guide will help you prepare for the most common lab technician interview questions. By understanding what to expect, you can focus on providing clear, concise answers that demonstrate your skills and knowledge.

Are you comfortable working with hazardous materials?

Lab technicians often work with hazardous materials, and the interviewer wants to make sure you have experience working in this type of environment. If you haven’t worked with hazardous materials before, explain that you are willing to learn how to do so if necessary.

Example: “I’ve worked with some dangerous chemicals in my previous role as a lab technician, but I am always open to learning new things. My current employer taught me how to handle these types of situations safely, and I feel confident handling any hazardous materials in the future.”

What are some of the most important skills for a lab technician?

This question can help interviewers determine if you have the skills necessary to succeed in their lab. When answering this question, it can be helpful to list a few of the most important skills and explain why they are important.

Example: “The two most important skills for a lab technician are attention to detail and communication. These skills are essential because I am working with chemicals and equipment that could cause harm if used incorrectly. In my previous role as a lab technician, I was responsible for following all safety protocols and reporting any issues or concerns to my supervisor. Communication is also important because I work on a team with other technicians who may need assistance with a task or want to discuss an idea.”

How would you describe your work ethic?

Employers ask this question to learn more about your work ethic and how you approach your job. They want to know that you are a hard worker who is willing to do whatever it takes to get the job done. When answering, think of an example from your past where you worked especially hard on a project or task.

Example: “I have always been someone who approaches my work with a great deal of enthusiasm. I am someone who wants to be challenged in my work, so I make sure to take on tasks that will help me grow as a lab technician. In my last position, I was tasked with testing samples for bacteria levels. The first time I tested them, they were within normal ranges. However, when I retested them, there were some higher than normal levels. I spent extra time rechecking my results before informing my supervisor.”

What is your experience with using scientific equipment?

This question can help the interviewer determine your experience level and how comfortable you are with using lab equipment. Use examples from previous work experiences to highlight your comfort level, knowledge of different types of scientific equipment and ability to use it effectively.

Example: “I have used a variety of scientific equipment in my past roles as a lab technician. I am familiar with using microscopes, spectrometers, gas chromatographs and other common pieces of lab equipment. In my last role, I was responsible for calibrating all of the equipment in the lab on a regular basis. This included setting up equipment before testing samples and cleaning equipment after each test.”

Provide an example of how you solved a problem in the lab.

Interviewers ask this question to learn more about your problem-solving skills. They want to know how you approach a challenge and what steps you take to solve it. When answering this question, think of an example that showcases your critical thinking skills and ability to work through challenges.

Example: “In my previous role as a lab technician, I was responsible for testing the pH levels in water samples. One day, I noticed that one of our machines wasn’t working properly. This meant I couldn’t test any samples until it was fixed. Instead of waiting for someone else to fix the machine, I decided to do it myself. It took me some time, but I eventually figured out how to repair the machine.”

If a lab experiment failed, how would you handle it?

This question can help interviewers understand how you respond to challenges in the workplace. When answering, it can be helpful to describe a specific situation where you handled failure well and what steps you took to resolve the issue.

Example: “In my previous role as a lab technician, I was working on an experiment that involved testing different types of soil for nutrients. After conducting the test, I found that one type of soil had more nutrients than the others. However, when I reported this information to my supervisor, she informed me that I had conducted the test incorrectly. She helped me redo the test correctly, and we discovered that the first result was correct after all.”

What would you do if you noticed another lab technician making a mistake while working?

Employers ask this question to make sure you can work well with others and that you’re willing to speak up when necessary. Your answer should show your willingness to help out a coworker, even if it’s not in your job description.

Example: “If I noticed another lab technician making a mistake while working, I would first try to correct them myself. If they didn’t understand what I was saying or how to fix the problem, I would find someone else who could explain it better. In my experience, sometimes it just takes hearing something from a different person for it to click.”

How well can you read scientific notation and terminology?

Lab technicians often need to read and interpret scientific notation, which is a way of writing numbers that are too large or small for standard decimal notation. Interviewers ask this question to see if you have the necessary skills to do your job well. In your answer, show them that you can read scientific notation by giving an example from your previous experience.

Example: “In my last role as a lab technician, I was responsible for recording test results in our database. One day, one of my colleagues came to me with a problem. She had recorded her data into the system using scientific notation, but when she tried to enter it into the database, it wouldn’t accept it. I reviewed her work and realized that she had forgotten to convert the number back to regular decimal notation before entering it into the system.”

Do you have experience working with animals?

Employers may ask this question to see if you have experience working with animals in a laboratory setting. If you do, they may want to know what types of animals you worked with and how your previous experience can help you succeed in their role. If you don’t have experience working with animals, you can talk about any relevant experience you have that is similar, such as working with small children or elderly people.

Example: “I’ve never worked directly with animals in the lab, but I did work at an animal shelter for two years. There, I learned how to handle different types of animals and how to care for them. This experience taught me how to work with others who are passionate about animals and helped me develop my communication skills.”

When is it appropriate to ask a scientist for help?

As a lab technician, you may be the first person to notice when something is going wrong in the lab. Interviewers want to know that you can recognize these issues and ask for help from your supervisor or other scientists. Use your answer to show that you understand how important it is to communicate with others about problems.

Example: “I think it’s always appropriate to ask for help if I’m unsure of what to do. In my last role, I noticed one day that our samples were contaminated. At first, I thought I could clean them up myself, but after looking at them more closely, I realized they were too damaged to save. I asked my supervisor for help, and we ended up having to start over on those experiments.”

We want to improve our data collection methods. Give me an example from your previous job where you improved data collection methods.

This question is an opportunity to show your problem-solving skills and ability to adapt. You can describe a time when you implemented new data collection methods or improved upon existing ones.

Example: “At my previous job, we were using paper forms for data collection. This was inefficient because it took too long to enter the information into our database. I suggested that we use tablets instead of paper so we could quickly upload the data directly into our system. The IT department helped us set up the tablets and install software that would allow us to input the data directly into our database. We also used barcode scanners to ensure accuracy.”

Describe your process for organizing and storing samples.

Lab technicians must be able to organize and store samples properly. This question helps employers understand how you would handle this task in their lab. Use your answer to highlight your organizational skills, attention to detail and ability to prioritize tasks.

Example: “I use a color-coded system for organizing samples. For example, I might label one sample red if it’s contaminated or needs further testing. Another sample may be yellow if it’s ready to be tested by the scientist. I also keep all of my samples in labeled boxes so that they’re easy to find when needed. Staying organized is important because it allows me to complete my work more efficiently.”

What makes you stand out from other candidates?

Employers ask this question to learn more about your qualifications and how you can contribute to their company. When answering, it’s important to highlight a skill or experience that makes you unique from other lab technicians. You may also want to mention any certifications you have.

Example: “I am passionate about science and always strive to be the best technician I can be. In my previous role as a lab tech, I was able to complete all of my work on time while maintaining high-quality results. This led to me being promoted to senior lab technician after only two years in the position.”

Which lab software tools are you familiar with?

Lab technicians use a variety of software tools to complete their work. The interviewer may ask this question to learn about your experience with specific lab software and how you would fit into the team they’re building. In your answer, list two or three software tools that you are familiar with and explain why you chose them.

Example: “I have used LabQuest for several years now because it’s an affordable option for my previous employer. It allows me to enter data quickly and easily, which is important when working in a busy lab. I also know how to use ChemDraw, which is more advanced but useful for creating complex formulas and diagrams. These two programs allow me to do all of my work effectively.”

What do you think is the most important aspect of a successful team relationship between scientists and lab technicians?

This question is an opportunity to show your interpersonal skills and how you can work well with others. Your answer should include a specific example of how you have helped a scientist or lab technician in the past.

Example: “I think it’s important for scientists and technicians to communicate clearly with each other, so that everyone understands what they’re doing and why. In my last role as a lab tech, I was working on a project with a scientist who had a lot of ideas about what we were testing and how we should be conducting our experiments. He would often come into the lab and tell me what he wanted us to do next without asking me if I had any questions or concerns.

One day, after he told me to run another test, I asked him why he thought this particular experiment would yield different results than the previous ones. He explained his reasoning, which made sense to me, but I also offered up some alternative methods that might produce more accurate results. After talking through the pros and cons of each method, he decided to try my suggestion. The new experiment yielded better results, and he thanked me for offering my opinion.”

How often do you perform routine maintenance on lab equipment?

The interviewer may ask this question to learn more about your experience with lab equipment maintenance. This can be an important skill for a lab technician because it shows you know how to keep the lab running smoothly and efficiently. In your answer, explain what types of maintenance you perform and how often you do so.

Example: “I perform routine maintenance on all lab equipment at least once per week. I check all machines for any errors or malfunctions and make sure they’re clean and ready to use. I also calibrate all instruments twice per month to ensure their accuracy. These are standard procedures in my previous role as a lab technician.”

There is a discrepancy in the results of a test. How do you handle it?

Interviewers ask this question to see how you handle mistakes and errors in the lab. They want to know that you can recognize when something is wrong, fix it and learn from your mistake. In your answer, explain what steps you would take to identify the problem and solve it. Show that you are willing to admit when you make a mistake and apologize for any inconvenience or harm it may have caused.

Example: “If I ever made a mistake on a test result, I would immediately stop all other work and focus my attention on identifying the cause of the discrepancy. I would first check the equipment used to perform the test to ensure there were no problems with it. Then, I would re-run the test to confirm the results. If the second test also produced different results, I would repeat the process until I could determine why the original test was incorrect.”


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