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Medical Laboratory Scientist -MLS - II (Dayshift

Job in O'Fallon, St. Charles County, Missouri, 63366, USA
Listing for: BJC HealthCare
Full Time position
Listed on 2026-07-30
Job specializations:
  • Healthcare
    Medical Technologist & Lab Technician
Salary/Wage Range or Industry Benchmark: 60000 - 80000 USD Yearly USD 60000.00 80000.00 YEAR
Job Description & How to Apply Below
Position: Medical Laboratory Scientist -MLS - II (Dayshift)

Medical Laboratory Scientist (MLS) II

Missouri Baptist Medical Center

Missouri Baptist Medical Center is seeking a full‑time Medical Laboratory Scientist (MLS) II to join its laboratory team as a Generalist
. This is an excellent opportunity for an ASCP-certified laboratory professional who enjoys working in a collaborative hospital environment and performing a broad range of laboratory testing.

Schedule
  • Full-time
  • Dayshift
  • 06:30 - 19:00 (3 12‑hr shifts a week)
  • Weekend and holiday rotation required
Qualifications
  • ASCP, AMT, AAB, or equivalent certification preferred/required
  • Strong generalist laboratory skills and commitment to quality patient care
Benefits
  • Sign‑on bonus eligible
  • Opportunity to work in a collaborative, patient‑focused hospital setting
  • Broad laboratory experience across multiple specialties
  • Competitive benefits and professional development opportunities
Overview

Missouri Baptist Medical Center, an acute care hospital in St. Louis County, offers a full continuum of medical and surgical services, including heart care, cancer, women and infants, breast health, gastrointestinal, orthopedic, stroke, therapy, wound and pain management services. The hospital has a 24‑hour adult emergency department and cares for pediatric patients at a separate emergency department in collaboration with St.

Louis Children’s Hospital.

Missouri Baptist is the first and only hospital in St. Louis County to be named a Magnet (R) hospital by the American Nurses Credentialing Center (ANCC). The prestigious designation is the highest credential a health care organization can receive for nursing excellence and quality patient care. The recognition has been accomplished by less than nine percent of hospitals nationwide. Additionally, U.S. News & World Report ranked the hospital #2 in the St.

Louis metro area.

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
  • < 2 years
  • Supervisor Experience
  • No Experience
  • Licenses & Certifications
  • ASCP, AMT, AAB or equivalent or eligible
  • Preferred Requirements
  • Supervisor Experience
  • < 2 years
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, vision, 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

* 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

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