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Medical Laboratory Scientist (MLS)

Saint Louis, Missouri, United StatesPosted Oct 15, 2026

Job description

Additional Information About the Role Medical Laboratory Scientist (MLS) Christian Hospital | St. Louis, MO Join the laboratory team at Christian Hospital and make a difference in patient care through accurate testing and quality laboratory services. We are seeking a Medical Laboratory Scientist (MLS) to perform routine and complex testing in a collaborative, patient-focused environment.

What You'll Do

Perform specimen processing and laboratory testing on blood and other patient specimens. Ensure quality control and maintain accurate documentation. Perform basic instrument maintenance and troubleshooting. Follow CAP, CLIA, HIPAA, OSHA, and safety guidelines. Support high-quality patient care through accurate and timely results.

Schedule: Four 10-hour shifts (8:30pm-7:00am) Rotating weekends and holidays Qualifications: MLS certification preferred (ASCP, AMT, AAB, or equivalent) MLT candidates with certification encouraged to apply MLS Non-Registered candidates with a Biology degree considered One year of laboratory experience preferred Experience with Epic or Well.

Sky is a plus Why Christian Hospital? Christian Hospital, a BJC Health. Care hospital, has served the St. Louis community since 1903 and is recognized for clinical excellence across multiple specialties. Join a team committed to professional growth, innovation, and making a meaningful impact in the communities we serve.

Overview

Christian Hospital has been serving St. Louis and the surrounding metro areas since 1903. U.S. News & World Report ranks Christian Hospital No. 5 in St. Louis for overall clinical excellence and No. 9 in Missouri, which puts us in the top 6% of all hospitals in the state! The U.S. News adult methodology ranks clinical specialties and rates common care procedures and conditions.

Christian was nationally ranked as “high performing” in the clinical specialty of geriatrics and in the following seven of 21 common procedures and conditions: heart attack, heart failure, kidney failure, diabetes, COPD, pneumonia and stroke. High performing in a specialty means we were in the top 10% nationally of all evaluated hospitals for that specialty or procedure and condition.

Northwest Health. Care , six miles west of Christian, offers 24- hour emergency care, the Sleep Disorders Center and a variety of outpatient diagnostic and imaging services. Blood Bank provides cross matching of blood products for transfusion & routine typing. Also provides a full range of antibody identification services including panels, absorptions, direct antiglobulin (Coombs) tests, eluates, titers, and phenotyping.

Preferred Qualifications

Role Purpose The Medical Technologist (MT) or Medical Laboratory Scientist (MLS) II performs specimen processing and routine / complex testing on blood and other specimens which requires a knowledge and understanding of quality control, basic instrument maintenance, and procedure methodologies and reference ranges. Maintains appropriate documentation of all activities as required.

Demonstrates good clinical laboratory practice Responsibilities Operates all instrumentation in assigned areas to deliver precise, timely, and accurate laboratory results. Performs all testing and operation of equipment as necessary to deliver quality results. Trains new laboratory personnel in methods, procedures and use of equipment and instruments specific to the assigned area.

Performs quality controls for all equipment and troubleshoots malfunctioning instrumentation as necessary. Assesses technical and or instrument problems, including quality control and abnormal findings, evaluate possible solutions and chooses an appropriate course of action to solve the problem. Reports and maintains record of patient test results through the laboratory computer system accurately, meeting published turn around times for routine testing and stats.

Participates in performance improvement activities and initiatives by proactively diagnosing and resolving problems. Specific quality functions are handled in an organized and timely fashion. Minimum Requirements Education Bachelor's Degree

  • Physical/Life Science/related Experience Supervisor Experience No Experience Licenses & Certifications ASCP, AMT,AAB or equiv or elig Preferred Requirements Supervisor Experience Benefits and Legal Statement BJC Total Rewards At BJC we’re committed to providing you and your family with benefits and resources to help you manage your physical, emotional, social and financial well-being. Comprehensive medical, dental, vison, life insurance, and legal services available first day of the month after hire date Disability insurance* paid for by BJC Annual 4% BJC Automatic Retirement Contribution 401(k) plan with BJC match Tuition Assistance available on first day BJC Institute for Learning and Development Health Care and Dependent Care Flexible Spending Accounts Paid Time Off benefit combines vacation, sick days, holidays and personal time Adoption assistance To learn more, go to our Benefits Summary . *Not all benefits apply to all jobs The above information on this description has been designed to indicate the general nature and level of work performed by employees in this position. It is not designed to contain or be interpreted as an exhaustive list of all responsibilities, duties and qualifications required of employees assigned to this job. Equal Opportunity Employer Christian Hospital has been serving St. Louis and the surrounding metro areas since 1903. U.S. News & World Report ranks Christian Hospital No. 5 in St. Louis for overall clinical excellence and No. 9 in Missouri, which puts us in the top 6% of all hospitals in the state! The U.S. News adult methodology ranks clinical specialties and rates common care procedures and conditions. Christian was nationally ranked as “high performing” in the clinical specialty of geriatrics and in the following seven of 21 common procedures and conditions: heart attack, heart failure, kidney failure, diabetes, COPD, pneumonia and stroke. High performing in a specialty means we were in the top 10% nationally of all evaluated hospitals for that specialty or procedure and condition. Northwest Health. Care , six miles west of Christian, offers 24- hour emergency care, the Sleep Disorders Center and a variety of outpatient diagnostic and imaging services. Blood Bank provides cross matching of blood products for transfusion & routine typing. Also provides a full range of antibody identification services including panels, absorptions, direct antiglobulin (Coombs) tests, eluates, titers, and phenotyping. Role Purpose The Medical Technologist (MT) or Medical Laboratory Scientist (MLS) II performs specimen processing and routine / complex testing on blood and other specimens which requires a knowledge and understanding of quality control, basic instrument maintenance, and procedure methodologies and reference ranges. Maintains appropriate documentation of all activities as required. Demonstrates good clinical laboratory practice Responsibilities Operates all instrumentation in assigned areas to deliver precise, timely, and accurate laboratory results. Performs all testing and operation of equipment as necessary to deliver quality results. Trains new laboratory personnel in methods, procedures and use of equipment and instruments specific to the assigned area. Performs quality controls for all equipment and troubleshoots malfunctioning instrumentation as necessary. Assesses technical and or instrument problems, including quality control and abnormal findings, evaluate possible solutions and chooses an appropriate course of action to solve the problem. Reports and maintains record of patient test results through the laboratory computer system accurately, meeting published turn around times for routine testing and stats. Participates in performance improvement activities and initiatives by proactively diagnosing and resolving problems. Specific quality functions are handled in an organized and timely fashion. Minimum Requirements Education Bachelor's Degree
  • Physical/Life Science/related Experience Supervisor Experience No Experience Licenses & Certifications ASCP, AMT,AAB or equiv or elig Preferred Requirements Supervisor Experience

Description copied from BJC Health System's careers page. Read the full posting before you apply.

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