Medical Laboratory Scientist (MLS) Per Diem

Endeavor Health
Chicago, IL

Hourly Pay Range: $30.46 - $45.69 - The hourly pay rate offered is determined by a candidate's expertise and years of experience, among other factors.

Position Highlights:

  • Position: Medical Laboratory Scientist (MLS) - Per Diem
  • Location: Swedish Hospital
  • Full Time/Part Time: Per Diem
  • Hours: Monday-Friday, 10:30pm-7am, rotating weekends and holidays

What you will do:

  • Actively promotes patient satisfaction and customer service values with all staff members. Instructs and encourages coworkers to treat patients and customers (nurses, physicians, visitors, vendors etc.) courteously.
  • Performs patient tests, manually and with automated clinical laboratory equipment, reagents and/or test methodologies in Chemistry, Hematology, and Microbiology.
  • Maintains competencies in accordance with policy and procedures of the hospital and laboratory department.
  • Performs quality control per established departmental protocols. Records QC appropriately and takes corrective action when QC is not within established guidelines. Documents corrective action taken.
  • Reviews patient test results for accuracy and notifies appropriate clinical personnel or all critical results. Documents this notification per established protocols.
  • Performs instrument checks, maintenance and troubleshooting per department protocols.
  • Maintains knowledge level consistent with the changes within the healthcare environment.
  • Participates in continuing education programs, in-services, lab meetings and various committees.
  • Recognizes abnormal or unusual test results and makes appropriate decisions before releasing results. Notifies supervisor and pathologist if necessary.
  • Performs computer functions efficiently, manages workload and established turnaround times.
  • Maintains a safe work environment by using required PPE and protective devices. Handles biohazardous materials and chemicals according to established protocols.
  • Maintains established hospital and departmental policies and procedures to comply with safety, environmental and infection control standards.
  • Notifies the appropriate Laboratory section Lead Technologist / Supervisor / Manager / Director or designee when stock supplies are low.
  • Assists in orientation and training of new employees and students.
  • May assist in competency assessment of moderate and high complexity testing.

What you will need:

  • Education: Associate's degree in Medical Laboratory Technician or Bachelor's in Medical Laboratory Science, Medical Technology, Biology, Chemistry, Microbiology, or equivalent
  • Certification: MT, MLS or MLT (ASCP) certification or equivalent is required
  • Experience: Experience in clinical laboratory preferred.

Unique or Preferred Skills: Must have excellent communication skills (verbal, written, computer), independent decision making and organizational skills, and be detail-oriented

Benefits:

  • Premium pay such as shift, on call, holiday and more based on an employee's job (For eligible positions)
  • Incentive pay for select positions
  • Opportunity for annual increases based on performance
  • Career Pathways to Promote Professional Growth and Development
  • Various Medical, Dental, Pet and Vision options
  • Tuition Reimbursement
  • Free Parking
  • Wellness Program Savings Plan
  • Health Savings Account Options
  • Retirement Options with Company Match
  • Paid Time Off and Holiday Pay
  • Community Involvement Opportunities

Endeavor Health is a fully integrated healthcare delivery system committed to providing access to quality, vibrant, community-connected care, serving an area of more than 4.2 million residents across six northeast Illinois counties. Our more than 25,000 team members and more than 6,000 physicians aim to deliver transformative patient experiences and expert care close to home across more than 300 ambulatory locations and eight acute care hospitals – Edward (Naperville), Elmhurst, Evanston, Glenbrook (Glenview), Highland Park, Northwest Community (Arlington Heights) Skokie and Swedish (Chicago) – all recognized as Magnet hospitals for nursing excellence. For more information, visit

When you work for Endeavor Health, you will be part of an organization that encourages its employees to achieve career goals and maximize their professional potential.

Please explore our website ( to better understand how Endeavor Health delivers on its mission to “help everyone in our communities be their best”.

Endeavor Health is committed to working with and providing reasonable accommodation to individuals with disabilities. Please refer to the main career page for more information.

At Endeavor Health, we are united by a shared commitment to working together to create a culture of connection and belonging—each of us bringing different skills and experiences as we deliver safe, seamless, and personal care. Every person, every time. We are committed to fostering an environment where all team members can be their best, learn, and pursue excellence together.

EOE: Race/Color/Sex/Sexual Orientation/ Gender Identity/Religion/National Origin/Disability/Vets, VEVRRA Federal Contractor.

Posted 2026-07-28

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