Clinical Laboratory Scientist Jobs in California

Clinical Laboratory Scientist jobs in California are among the most active in the country, concentrated in hospital systems, academic medical centers, public health laboratories, and large commercial reference labs, with openings from entry-level positions through senior and lead roles. Los Angeles, San Francisco, and San Diego are the heaviest hiring markets, with major employers like Kaiser Permanente, Dignity Health, and Quest Diagnostics maintaining consistent demand statewide. Hematology, microbiology, and molecular diagnostics are the most sought-after specialties across California's clinical settings. Find a role that fits below and apply directly.

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Overview

Open roles322+
Top employerQuest Diagnostics
Top citySan Diego, CA
Cities hiring67
Work type96% On-site
Top industryBiotechnology

Showing 5 of 322+ Clinical Laboratory Scientist jobs

Prime Healthcare Services
Clinical Laboratory Scientist
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Prime Healthcare Services
Added 2d ago
Clinical Laboratory Scientist
Prime Healthcare Services
Anaheim, California
Allied Health
Healthcare Administration
Laboratory Science
$36 - $52/hr
On-Site
Bachelor's
10,000+

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City of Hope
Clinical Laboratory Scientist I
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City of Hope
Added 2d ago
Clinical Laboratory Scientist I
City of Hope
Duarte, California
Allied Health
Healthcare Administration
Laboratory Science
$43 - $66/hr
On-Site
Bachelor's
10,000+

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Prime Healthcare Services
Clinical Laboratory Scientist
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Prime Healthcare Services
Added 5d ago
Clinical Laboratory Scientist
Prime Healthcare Services
Redding, California
Nursing
Allied Health
Healthcare Administration
Laboratory Science
$46 - $62/hr
On-Site
Bachelor's
10,000+

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Smart IT Frame LLC
Clinical Laboratory Scientist (CLS) / Lab Manager
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Smart IT Frame LLC
Added 6d ago
Clinical Laboratory Scientist (CLS) / Lab Manager
Smart IT Frame LLC
Lake Isabella, California
Healthcare Administration
Allied Health
Quality Assurance & Testing (QA Testing)
Medical Specialists
Laboratory Science
$80 - $80/hr
On-Site
Bachelor's

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Guardant Health
Senior Clinical Laboratory Scientist
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Guardant Health
Added 1w ago
Senior Clinical Laboratory Scientist
Guardant Health
Redwood City, California
Allied Health
Healthcare Administration
Clinical Support
Laboratory Science
$53 - $87/hr
Hybrid
Bachelor's
1,001-5,000

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See All 322+ Clinical Laboratory Scientist Jobs in California

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Clinical Laboratory Scientist Jobs by City in California

Where California roles are concentrated, by current openings.

San Diego
42 jobs
San Francisco
40 jobs
South San Francisco
34 jobs
Palo Alto
20 jobs
Redwood City
17 jobs
San Juan Capistrano
16 jobs
San Carlos
15 jobs
Los Angeles
12 jobs
Irvine
11 jobs

Clinical Laboratory Scientist Job Market in California

A snapshot from current California openings, updated as new roles post.

Who's Hiring

  • Quest Diagnostics
    Quest Diagnostics19
  • Altos Labs
    Altos Labs12
  • Genentech
    Genentech12
  • Natera
    Natera10
  • Stanford Health Care
    Stanford Health Care10

Top Industries Hiring

  • Biotechnology & Pharmaceuticals116
  • Healthcare & Medical Services106
  • Science & Research52
  • Medical Devices29
  • Education25

What California Employers Look For

The qualifications that appear most often in clinical laboratory scientist jobs across California.

  • Active California Clinical Laboratory Scientist license issued by CDPH Laboratory Field Services
  • Bachelor's degree in clinical laboratory science, medical laboratory science, or a related biological science
  • ASCP Board of Certification as a Medical Laboratory Scientist preferred or required
  • Proficiency across core laboratory disciplines including hematology, chemistry, microbiology, and blood bank
  • Experience operating high-volume automated analyzers and laboratory information systems such as Epic Beaker
  • Ability to perform evening, weekend, or on-call shifts in a 24-hour hospital laboratory environment

Clinical Laboratory Scientist Jobs in California: Frequently Asked Questions

How do you become a clinical laboratory scientist in California?

You must hold an active Clinical Laboratory Scientist license issued by the California Department of Public Health, Laboratory Field Services. To qualify, you need a bachelor's degree in clinical laboratory science or a related biological science, completion of an accredited clinical training program, and a passing score on a California-approved licensure examination. The California license is required before you can work independently in most hospital and reference lab settings statewide.

Which companies hire clinical laboratory scientists in California?

Employers hiring clinical laboratory scientists in California right now include Quest Diagnostics, Altos Labs, and Genentech, based on current listings on Migrate Mate as of June 2026. California's large integrated health systems, public health labs run through county and state agencies, and national reference laboratory networks like Quest Diagnostics and Labcorp maintain some of the most consistent hiring volumes in the state.

Which California cities have the most clinical laboratory scientist jobs?

San Diego, San Francisco, and South San Francisco have the most clinical laboratory scientist openings in California. Los Angeles leads due to its density of county hospitals, academic medical centers, and large health systems, while San Francisco and San Diego benefit from major research university hospitals and a strong life sciences industry that supports both clinical and research-focused laboratory roles.

Are there remote clinical laboratory scientist jobs in California?

Yes, but they're rare. About 4% of clinical laboratory scientist openings tied to California are remote or hybrid as of June 2026, reflecting how hands-on the role is by nature. Most bench work requires physical presence in a licensed laboratory. The narrow exceptions tend to involve laboratory management, quality assurance consulting, or telehealth-adjacent roles with a documentation and oversight focus.

How can I get hired as a clinical laboratory scientist in California with little or no experience?

The most realistic entry path is applying to a California-approved clinical training program, many of which are affiliated with UC Health, Cedars-Sinai, or county hospital systems and run as formal internships for new graduates. Large California employers such as Kaiser Permanente and Sutter Health occasionally post new-graduate trainee and limited-phlebotomy positions that build toward full licensure. Holding an active California CLS license, even with minimal post-training experience, is the single credential that opens doors for entry-level candidates across the state.

Where can I find and apply to clinical laboratory scientist jobs in California?

You can find and apply to clinical laboratory scientist jobs in California on Migrate Mate, which lists current California openings across hospital systems, reference laboratories, public health agencies, and specialty clinics. Find roles that fit your experience and specialty and apply directly to the employer.

See All 322+ Clinical Laboratory Scientist Jobs in California

Find roles in California that match your experience and apply in just a few clicks.

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