Jobs › Mercyhealth

Medical Laboratory Technician/Medical Laboratory Scientist - Part Time

Mercyhealth · Rockford, IL · $24.60–$44.11 an hour · Part time

Posted Aug 14, 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

Which lab areas have you worked in most, hematology, chemistry, urinalysis, blood bank or micro, and where are you weakest?

What they are checking: Whether they know their own skill gaps honestly, which matters when a lab cross-trains staff across benches.

Tell me about a time you noticed a process in the lab that could be done better.

What they are checking: Whether they contribute to process improvement rather than just completing tasks as they always have.

Tell me about a time you made a mistake in the lab. How did you find it and what did you do?

What they are checking: Whether they own and report errors quickly, which protects patients more than hiding them ever could.

What would you do

A nurse calls upset that a stat result is taking too long. How do you respond?

What they are checking: Whether they stay professional, explain clearly and find out what is actually holding the result up.

How would you go about showing a new hire how to run a manual differential?

What they are checking: Whether they can train and mentor others clearly, which this posting lists as part of the job.

About the work

A CBC comes back with a platelet count that is far lower than yesterday's. What do you check before you release it?

What they are checking: Whether they think about clumping, clots or collection errors before reporting a result that could change treatment.

Walk me through what you do when a specimen is hemolyzed, clotted or short.

What they are checking: Whether they recognize unacceptable specimens, document the impact and start a recollection rather than running it anyway.

Your QC fails on the hematology analyzer at the start of the day shift. What happens next?

What they are checking: Whether they follow QC rules, troubleshoot methodically and hold patient testing until it is fixed.

How do you do routine maintenance on an analyzer, and what do you do when you find a problem during it?

What they are checking: Whether they keep equipment reliable and document maintenance, which the role names as a regular duty.

How do you report a critical value, and what do you do if you cannot reach the nurse?

What they are checking: Whether they know the escalation path so a critical result never sits unreported.

In blood bank, what checks do you do before issuing a unit of red cells?

What they are checking: Whether they respect the identification and compatibility steps that prevent a fatal transfusion error.

Practice this interview out loud.

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The full job description

As published by Mercyhealth.

OVERVIEW The MLT/MLS provides patient care by processing samples and performing clinical laboratory procedures. Work at other Mercy facilities performing the same functions, as required. Work alternate shifts, weekends and holidays as needed to adequately provide services. Perform other duties and projects as assigned. SCHEDULE: 20 hours/week SHIFT: Days ESSENTIAL DUTIES AND RESPONSIBILITIES • Utilize the Information System to receive patients, order and collect samples, result tests, answer questions from nurses and physicians, document quality control activities and produce reports required to perform job tasks. • Perform lab tests in the lab specialties of hematology, urinalysis, chemistry and blood bank or microbiology by automated and manual methods according to defined policies and procedures. • Analyze test results prior to release of information to chart for validity and accuracy. • Assure that designated turnaround times for results are met and that critical results are appropriately reported and documented. • Perform quality control and proficiency testing procedures as defined by policy • Interpret and troubleshoot quality control results to ensure accurate and precise test results. • Perform preventative maintenance, minor troubleshooting and calibration of laboratory instrumentation. • Participates in method and instrument evaluation and implementation. • Participates in teaching and training of new partners and students. • Maintain competency in current procedures and gain competency for new methods implemented. • Collect patient specimens. EDUCATION AND/OR EXPERIENCE Associate degree in medical laboratory science or military equivalent or must be qualified to perform high complexity testing according to CLIA 493.1489 Standard: Testing personnel qualifications. CERTIFICATION/LICENSURE MLT certification within one year of hire or meets CLIA 493.1489 Standard: Testing personnel qualifications on or before April 24, 1995 LEVEL OF SUPERVISION Some independent judgment is required, but alternatives are limited by standard practices or procedures. SUPERVISES This job has no supervisory responsibilities. PAY RANGE: $24.60 - $44.11 Mercyhealth is an Equal Opportunity Employer . All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identify, national origin, disability, or protected veteran status. Mercyhealth offers competitive pay and a comprehensive benefits package including: • Medical, Dental, Vision • Life & Disability Insurance • FSA/HSA Options • Generous, accruing paid time off • Paid Parental and caregiver leave • Career advancement and educational opportunities • Tuition and certification reimbursement • Certification Reimbursement • Well-being Programs • Employee Discounts • On-Demand Pay • Financial Education • Annual recognition/awards events • Partner appreciation days • Family entertainment/attractions discount • Community service/improvement opportunities Click here for more details regarding Mercyhealth Careers Benefit Information. At Mercyhealth, we don’t simply hire people, we empower employee-partners who are passionate about making lives better. As an integrated health system, we deliver exceptional, coordinated across seven hospitals, 85 primary and specialty clinics, and a team of over 7,500 professionals serving northern Illinois and southern Wisconsin. Mercyhealth has been nationally recognized for our commitment to our people and culture, including: • #1 in the nation on AARP's Best Employers for Workers Over 50 • One of Working Mother magazine's 100 Best Companies for Working Mothers • A Top 50 Company and Top 10 Nonprofit for Executive Women

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