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Medical Lab Scientist (MLS) – St. Joseph Warren Hospital (PRN)

Bon Secours Mercy Health
Warren, OH Intern
POSTED ON 4/8/2026
AVAILABLE BEFORE 5/6/2026
At Bon Secours Mercy Health, we are dedicated to continually improving health care quality, safety and cost effectiveness. Our hospitals, care sites and clinicians are recognized for clinical and operational excellence.

Mercy Health

About Us

As a faith-based and patient-focused organization, Mercy Health exists to enhance the health and well-being of all people in mind, body and spirit through exceptional patient care. Success in this goal requires a culture of compassion, collaboration, excellence and respect. Mercy Health seeks people that are committed to our values of compassion, human dignity, integrity, service and stewardship to create an environment where associates want to work and help communities thrive.

Medical Lab Scientist (MLS) – St. Joseph Warren Hospital

Job Summary:

The Medical Lab Scientist (MLS) is responsible for performing the routine test on blood, tissues, and other body specimens, as well as providing physicians with quality results using a variety of clinical laboratory equipment. The Medical Lab Scientist (MLS) must have a total understanding of patient safety and laboratory techniques necessary to guarantee complete patient safety and anonymity.

Essential Functions:


  • Performs analytical tests on biological specimens, in a timely, efficient, and accurate manner in compliance with documented laboratory procedures
  • Determines acceptability of specimens by performing visual inspections or by recognizing abnormal/ unusual results
  • Recognizes factors that affect measurements and results by taking the appropriate action according to protocols
  • Performs quality control for all testing and meets established ranges before patient results are released
  • Maintains a safe and efficient work environment by performing equipment checks, cleaning work area, monitoring temperatures following hospital policies, and troubleshoots laboratory equipment
  • Other duties as assigned


Education:


  • Bachelor of Science in one of the following: Clinical Laboratory Science, Medical Laboratory Science, Biomedical Science, Biology or Biochemistry through a Clinical Laboratory Improvement Amendments (CLIA) approved program (required)


Certifications:


  • MLS Medical Lab Scientist Certification or eligible by a nationally recognized certification agency (preferably ASCP) (required)


Experience:


  • Externship program completed (preferred)


Skills & Abilities:


  • Ability to provide quality, error-free work in a fast-pasted environment
  • Engage with staff and patients in a professional manner


As a Bon Secours Mercy Health associate, you're part of a Mission that matters. We support your well-being—personally and professionally. Our benefits are built to grow with you and meet your unique needs, every step of the way.

What We Offer


  • Competitive pay, incentives, referral bonuses and 403(b) with employer contributions (when eligible)
  • Medical, dental, vision, prescription coverage, HSA/FSA options, life insurance, mental health resources and discounts
  • Paid time off, parental and FMLA leave, short- and long-term disability, backup care for children and elders
  • Tuition assistance, professional development and continuing education support


Benefits may vary based on the market and employment status.

All applicants will receive consideration for employment without regard to race, color, national origin, religion, sex, sexual orientation, gender identity, age, genetic information, or protected veteran status, and will not be discriminated against on the basis of disability. If you'd like to view a copy of the affirmative action plan or policy statement for Bon secours Mercy Health – Youngstown, Ohio or Bon Secours – Franklin, Virginia; Petersburg, Virginia; and Emporia, Virginia, which are Affirmative Action and Equal Opportunity Employers, please email recruitment@mercy.com. If you are an individual with a disability and would like to request a reasonable accommodation as part of the employment selection process, please contact The Talent Acquisition Team at recruitment@mercy.com

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