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Med Lab Scientist - Part Time

Children's Wisconsin · New Berlin, WI · Part time

Posted Aug 17, 2026 · We last checked this listing on Oct 6, 2026

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Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Tell me about a time you found an error in your own work. What did you do?

What they are checking: Whether they report and correct mistakes openly, which protects patients.

This is a part-time role in New Berlin. How do you stay current on procedures when you work fewer shifts?

What they are checking: Whether they keep their skills sharp and follow updates even with a part-time schedule.

Tell me about a time you taught a skill to a student or new coworker.

What they are checking: Whether they can teach well, since the posting includes teaching in the job duties.

What would you do

You get a critical value on a patient. What do you do?

What they are checking: Whether they know the steps to verify and call critical results quickly and correctly.

How do you handle a specimen that is mislabeled or not labeled at all?

What they are checking: Whether they follow rejection policies even when recollection is hard, since wrong-patient results are dangerous.

How do you handle a busy shift when many urgent samples arrive at once?

What they are checking: Whether they can prioritize STAT work and stay accurate under pressure.

About the work

Walk me through what you do when a quality control run fails before you report patient results.

What they are checking: Whether they stop and troubleshoot instead of releasing results that may be wrong.

What is different about testing pediatric samples compared to adult samples?

What they are checking: Whether they understand small volumes, different reference ranges and the cost of recollecting from a child.

What instruments and analyzers have you run, and how do you handle routine maintenance?

What they are checking: Whether they can keep equipment running and follow maintenance schedules.

How do you decide whether a result makes sense before you release it?

What they are checking: Whether they apply critical thinking, like comparing to past results, rather than just reporting numbers.

Practice this interview out loud.

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The full job description

As published by Children's Wisconsin.

At Children’s Wisconsin, we believe kids deserve the best. Children’s Wisconsin is a nationally recognized health system dedicated solely to the health and well-being of children. We provide primary care, specialty care, urgent care, emergency care, community health services, foster and adoption services, child and family counseling, child advocacy services and family resource centers. Our reputation draws patients and families from around the country. We offer a wide variety of rewarding career opportunities and are seeking individuals dedicated to helping us achieve our vision of the healthiest kids in the country. If you want to work for an organization that makes a difference for children and families, and encourages you to be at your best every day, please apply today. Please follow this link for a closer look at what it’s like to work at Children’s Wisconsin: https://www.instagram.com/lifeatcw/ Performs testing on biological specimens in hospital and/or specialty clinic laboratory. Collects specimens, analyzes, evaluates, interprets, teaches, and reports test results from a variety of specimens to provide clinical data which aid the physicians in the diagnosis and treatment of patients. Performs Maintenance, QA, QC, Quality management, and other activities that support the daily operational functions of the laboratory. Applies critical thinking and cognitive skills to report timely and accurate laboratory reports. Directs designated employees. Problem solves and troubleshoots in a variety of different circumstances. MINIMUM KNOWLEDGE, SKILLS AND ABILITIES REQUIRED: • Bachelor's Degree in medical laboratory science, clinical laboratory sciences or one of the chemical or biological sciences related fields that meets ASCP requirements required • Approximately six to twelve months clinical laboratory experience preferred • Must be able to work independently, meet deadlines, and produce error‑free results. • Interpersonal skills to work with patients, patient's families, physicians, hospital, and laboratory staff. • Leadership ability to assign and review the work of MLTs, MLAs, students and other laboratory allied health staff. One of the following: • ASCP-American Society for Clinical Pathologist - American Society for Clinical Pathology Board of Certification within 1 Year • M(ASCP) - Technologist in Microbiology - American Society for Clinical Pathology Board of Certification within 1 Year • MLS -Medical Lab Scientist - American Society for Clinical Pathology Board of Certification within 1 Year • MT-Medical Technologist - American Medical Technologists within 1 Year • MT-Medical Technologist - American Society for Clinical Pathology Board of Certification within 1 Year Children's Wisconsin is an equal opportunity / affirmative action employer. We are committed to creating a diverse and inclusive environment for all employees. We treat everyone with dignity, respect, and fairness. We do not discriminate against any person on the basis of race, color, religion, sex, gender, gender identity and/or expression, sexual orientation, national origin, age, disability, veteran status, or any other status or condition protected by the law. Certifications/Licenses: + one of the following: - N/A, ASCP-American Society for Clinical Pathologist - American Society for Clinical Pathology Board of Certification, M(ASCP) - Technologist in Microbiology - American Society for Clinical Pathology Board of Certification, MLS-Medical Lab Scientist - American Society for Clinical Pathology Board of Certification, MT-Medical Technologist - American Medical Technologists, MT-Medical Technologist - American Society for Clinical Pathology Board of Certification

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