Medical Laboratory Scientist Jobs in Los Angeles, CA
Medical Laboratory Scientist jobs in Los Angeles are concentrated in the Medical Center corridor near Boyle Heights, the South Bay healthcare hubs, and the Westside biomedical district, with steady demand across hospital networks, independent reference labs, and academic medical centers. Employers hiring right now include University of Southern California, UCLA Health, and Keck Medicine of USC. See the openings below and apply to the ones that match your experience.
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Position Summary
The Clinical Laboratory Scientist performs a variety of standardized and highly specialized analysis of tests in Chemistry, Immunology, Hematology, Coagulation, Urinalysis, Microbiology and/or Blood Bank. The Clinical Laboratory Scientist is responsible for the accuracy, reliability and timeliness of patient test results (pre-analytical, analytical and post-analytical) used for the diagnosis, management and treatment of patients.
Provides support and facilitates communications by effectively navigating computer and phone systems, building and maintaining customer relationships, and providing a positive, professional and empathetic understanding to all customers.
Required Qualifications
- Current Licensure as a CLS License in the State of California
- Ability to establish and maintain effective working relationships across the hospital
- Ability to maintain a work pace appropriate to the workload
- Excellent written and verbal communication skills in English
- Must be willing to work variable shifts and overtime as required
- Must demonstrate customer service skills appropriate to the job
- Ability to identify and distinguish colors
- Hospital Fire and Life Safety Card (Los Angeles City Employees only)
- Bachelor's Degree in Medical Technology/Clinical Laboratory Science/Biological Science or Equivalent
Preferred Qualifications
- Experience with lab/hospital computer systems and software
- Applicable clinical lab work experience
- Bilingual skills to communicate effectively with patients and families
Physical Requirements
These are requirements normally expected to perform regular job duties. Reasonable accommodations may be made in compliance with the Americans with Disabilities Act of 1990, and applicable, state and local law, to enable individuals with disabilities to perform the essential functions. Incumbent must be able to successfully perform all of the essential functions of the job with or without reasonable accommodation.
- Standing - Constantly
- Walking - Frequently
- Sitting - Occasionally
- Reaching with Hands and Arms - Frequently
- Climb or Balance - Occasionally
- Stooping, Kneeling, Crouching, or Crawling - Occasionally
- Talking - Frequently
- Hearing - Constantly
- Seeing - Constantly
- Performing repetitive motions with arms or hands - Constantly
- Lifting, carrying, pushing or pulling up to 10 lbs - Constantly
- Lifting, carrying, pushing or pulling up to 25 lbs - Occasionally
- Lifting, carrying, pushing or pulling up to 50 lbs - Occasionally
- Lifting, carrying, pushing, or pulling greater than 50 lbs - None
- Driving - None "
Essential Job Functions / Major Areas of Responsibility
The essential functions below are not intended to be an exhaustive list of all duties that may be assigned to this position, nor does it restrict the duties which may be assigned to this position if such duties reasonably relate to the position.
- The CLS is responsible for performing laboratory testing, quality control measures, and distribution of test results of biological specimens in an accurate and timely manner.
- Adheres to the laboratory's quality control policies; documents all quality control activities, instrument and procedural calibrations, and maintenance performed.
- Actively participates in departmental process improvement. Adheres to turnaround time (TAT) guidelines for STAT and routine tests. Ensures Infection Control procedures, HIPAA compliance and other regulatory standards.
- Empathizes with patient and patient support systems, expresses compassion and understanding for the situation and demonstrates care which is appropriate for the age, and cultural, religious, gender identity, or ethnic background.
- Engages in caring behaviors, taking conscious ownership for work and takes deliberate/thoughtful actions regarding how to best carry out interactions with the patient, families, physicians, and co-workers.
- Identifies and troubleshoots issues that may adversely affect test performance or reporting of test results and either corrects the problems or immediately notifies the Director/Manager/Supervisor. Documents all corrective actions taken when test systems deviate from the laboratory's established performance specifications.
- Follows the laboratory's procedures for handling and proper disposal of specimens, reagents, and biohazard waste.
- Accurately processes tests, reports, and maintains records of patient test results.
- Maintains records that demonstrate that proficiency testing samples are tested in the same manner as patient specimens.
Pay Rate: Min - $46.10 l Max - $63.40
Job Listing ID: 1865830
$10,000 Sign-On Bonus
Sign-On Bonus Eligibility: To be eligible for the Sign-On Bonus, you must have one or more years of experience. Current Alta Hospital employees are not eligible and former Alta Hospital employees may not be eligible. The Sign-on Bonus Program is only available for full-time CLS positions. Bonus payments are made in increments over the course of 24 months to active employees in good standing.
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Find JobsMedical Laboratory Scientist Job Market in Los Angeles
Who's Hiring
- University of Southern California56

- UCLA Health28

- Keck Medicine of USC14

- Cedars-Sinai Medical Center14

- TEEMA7

Medical Laboratory Scientist Jobs in Los Angeles: Frequently Asked Questions
How do I get a medical laboratory scientist job in Los Angeles?
The strongest hiring comes from Los Angeles's large academic medical centers, county hospital system, and independent reference labs concentrated in East Hollywood, Boyle Heights, and the South Bay. ASCP certification is a consistent differentiator in this market. Candidates with experience in high-volume clinical chemistry, hematology, or blood bank sections move faster through hiring, given the caseload demands at Los Angeles's busiest facilities.
Which companies hire medical laboratory scientists in Los Angeles?
Companies currently hiring medical laboratory scientists in Los Angeles include University of Southern California, UCLA Health, and Keck Medicine of USC, per current listings on Migrate Mate as of September 2026. Los Angeles's employer mix leans heavily toward large integrated health systems, county-run facilities, and national reference laboratory operators with regional collection and processing hubs across the metro.
Are there remote medical laboratory scientist jobs in Los Angeles?
Yes, but only for a narrow slice of the role, since most medical laboratory scientist work requires hands-on specimen handling and instrument operation on-site. About 17% of medical laboratory scientist openings tied to Los Angeles are remote or hybrid as of September 2026, covering positions focused on lab informatics, quality assurance review, and data analysis. Fully remote opportunities tend to sit within health system corporate or managed care operations.
How can I get a medical laboratory scientist job in Los Angeles with little or no experience?
The most realistic entry path in Los Angeles is through a phlebotomist or laboratory assistant role at one of the county's large public hospital facilities or a regional reference lab, then cross-training into generalist bench work. Los Angeles County's DHS hospital network and academic affiliate programs at local medical schools regularly bring on entry-level candidates and provide structured rotation across disciplines, which builds the practical competency ASCP certification exams require.
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