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Microbiology Med Lab Scientist - 3rd shift, Full-time

Children's Wisconsin · Milwaukee, WI · Full time

Posted Jul 15, 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 made a mistake in reading a plate or slide. What did you learn?

What they are checking: Whether they own errors and improve their practice, which matters in microbiology.

How do you stay focused and accurate working third shift with fewer people around?

What they are checking: Whether they can work independently and stay sharp during overnight hours.

What would you do

What do you do when you get a critical microbiology result, like a positive CSF Gram stain?

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

A sample arrives that does not meet acceptance criteria. What do you do?

What they are checking: Whether they follow specimen rejection rules and communicate clearly with the care team.

About the work

Walk me through how you work up a positive blood culture on third shift.

What they are checking: Whether they know the steps and urgency of blood culture workups, which can be life-saving.

How do you decide whether an organism on a culture is a real pathogen or a contaminant?

What they are checking: Whether they can use clinical context and lab rules to report results that help, not confuse.

How do you stay safe when handling possibly dangerous organisms in the lab?

What they are checking: Whether they follow biosafety rules to protect themselves and others.

What automated systems for identification and susceptibility testing have you used?

What they are checking: Whether they can run and troubleshoot common microbiology instruments.

How do you handle QC failures for media or reagents?

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

What is different about microbiology in a children's hospital?

What they are checking: Whether they understand small sample sizes and the unique infections seen in children.

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

Apply at Children's Wisconsin