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Lab Assistant Jobs in Rancho Cucamonga, CA (NOW HIRING)

CommonSpirit Health

Lab Assistant

San Bernardino, CA · On-site

One California As a Lab Assistant, you will play a crucial role in solving diagnostic mysteries, bringing us one step closer to effectively treating patient illnesses and injuries. Every day you will ...

CommonSpirit Health

Lab Assistant

San Bernardino, CA · On-site

Job Summary and Responsibilities As a Lab Assistant, you will play a crucial role in solving diagnostic mysteries, bringing us one step closer to effectively treating patient illnesses and injuries.

CommonSpirit Health

Lab Assistant

San Bernardino, CA · On-site

Job Summary and Responsibilities As a Lab Assistant, you will play a crucial role in solving diagnostic mysteries, bringing us one step closer to effectively treating patient illnesses and injuries.

CommonSpirit Health

Lab Assistant

San Bernardino, CA · On-site

Job Summary and Responsibilities As a Lab Assistant, you will play a crucial role in solving diagnostic mysteries, bringing us one step closer to effectively treating patient illnesses and injuries.

PIH Health

Lab Assistant, Per Diem

Whittier, CA

The Laboratory Assistant performs specimen procurement, accessioning, processing and testing as assigned under the supervision of a licensed Clinical Lab Scientist (CLS). Provides phlebotomy ...

PIH Health

Lab Assistant, Per Diem

Whittier, CA · On-site

$21 - $34.80/hr

The Laboratory Assistant performs specimen procurement, accessioning, processing and testing as assigned under the supervision of a licensed Clinical Lab Scientist (CLS). Provides phlebotomy ...

Prime Healthcare

Lab Assistant - Clinical Lab

Chino, CA · On-site

$21 - $27.56/hr

The Laboratory Assistant will follow the guidelines set by CLIA, and the CA Business and Professions Codes (bpc: 1212, 1269). Unlicensed laboratory personnel ("aides") may not, read, record, result ...

PIH Health

Lab Assistant, Per Diem

Whittier, CA

The Laboratory Assistant performs specimen procurement, accessioning, processing and testing as assigned under the supervision of a licensed Clinical Lab Scientist (CLS). Provides phlebotomy ...

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Lab Assistant information

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How much do lab assistant jobs pay per hour?

As of May 28, 2026, the average hourly pay for lab assistant in Rancho Cucamonga, CA is $20.69, according to ZipRecruiter salary data. Most workers in this role earn between $16.97 and $23.61 per hour, depending on experience, location, and employer.

What Is a Lab Assistant?

As a laboratory assistant or lab technician, you are responsible for helping scientists conduct experiments in a laboratory environment. You may be asked to prepare, clean, and maintain lab equipment and log readings and results. Your responsibilities may also include performing basic analyses of samples and recording results accurately. Your responsibilities will vary based on the type of lab you work in, but compliance with protocols and commitment to safety and accuracy are critical in any lab.

What are the key skills and qualifications needed to thrive as a Lab Assistant, and why are they important?

To thrive as a Lab Assistant, you need a basic understanding of laboratory procedures, safety protocols, and often an associate degree or relevant coursework in science. Familiarity with laboratory information management systems (LIMS), standard lab equipment, and proper sample handling techniques is typically required. Attention to detail, strong organizational skills, and effective teamwork are essential soft skills for this role. These skills ensure accurate results, maintain lab safety standards, and support smooth laboratory operations.

What are some common challenges faced by Lab Assistants, and how can they be managed effectively?

Lab Assistants often encounter challenges such as managing multiple tasks under tight deadlines, maintaining strict adherence to safety protocols, and ensuring the accuracy of data collection. To manage these effectively, it's important to stay organized, communicate proactively with supervisors and colleagues, and remain attentive to details when handling samples or preparing equipment. Many labs offer training on safety and procedures, so taking advantage of these resources can help new hires adapt quickly and perform confidently in their roles.

What are lab assistants?

Lab assistants are professionals who support scientists, researchers, or instructors by preparing laboratory equipment, conducting routine experiments, and maintaining a clean and organized work environment. They may also be responsible for recording data, managing supplies, and ensuring that safety protocols are followed. Lab assistants work in various settings, including educational institutions, research facilities, hospitals, and private laboratories.

What is the difference between Lab Assistant vs Medical Laboratory Technician?

AspectLab AssistantMedical Laboratory Technician
Required CredentialsHigh school diploma or equivalent; on-the-job trainingAssociate degree in medical laboratory technology or related field
Work EnvironmentHospitals, clinics, research labsHospitals, diagnostic labs, healthcare facilities
Job ResponsibilitiesAssist with sample collection, prepare specimens, maintain lab equipmentPerform complex tests, analyze samples, report results
Industry UsageCommonly used in healthcare and research settingsPrimarily in medical diagnostics and healthcare

While both roles support laboratory operations, Medical Laboratory Technicians perform more advanced testing and require specialized education. Lab Assistants typically handle basic tasks and support lab staff, making them entry-level positions in healthcare labs.

More about Lab Assistant jobs
What are the most commonly searched types of Lab jobs in Rancho Cucamonga, CA? The most popular types of Lab jobs in Rancho Cucamonga, CA are:
What are popular job titles related to Lab Assistant jobs in Rancho Cucamonga, CA? For Lab Assistant jobs in Rancho Cucamonga, CA, the most frequently searched job titles are:
What job categories do people searching Lab Assistant jobs in Rancho Cucamonga, CA look for? The top searched job categories for Lab Assistant jobs in Rancho Cucamonga, CA are:
What cities near Rancho Cucamonga, CA are hiring for Lab Assistant jobs? Cities near Rancho Cucamonga, CA with the most Lab Assistant job openings:
Lab Assistant jobs near you
Infographic showing various Lab Assistant job openings in Rancho Cucamonga, CA as of May 2026, with employment types broken down into 3% As Needed, 69% Full Time, 20% Part Time, and 8% Contract. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution, with an average salary of $43,036 per year, or $20.7 per hour.
Lab Assistant

Lab Assistant

CommonSpirit Health

San Bernardino, CA • On-site

Full-time

Posted 20 days ago

CommonSpirit Health rating

7.0

Company rating: 7.0 out of 10

Based on 500 frontline employees who took The Breakroom Quiz

403rd of 864 rated healthcare providers

Job description

Founded in 1910, Dignity Health - Community Hospital of San Bernardino is a 343-bed, acute care, nonprofit hospital. Serving over 75,000 patients annually, the hospital offers a full complement of services including a Level II NICU, maternity care and pediatrics, and behavioral health and long-term subacute care for adults and children. 

Additionally, Community Hospital of San Bernardino has been recognized with the gold seal of approval by the Joint Commission, as an LGBTQ+ Healthcare Equality Leader by the Human Rights Campaign Foundation, and rated five stars for Children’s Subacute Center by the Centers for Medicare and Medicaid Services. In 2025, we were voted Best Hospital by Inland Empire Magazine. 

Community Hospital of San Bernardino shares a legacy of humankindness with Dignity Health and CommonSpirit Health, one of the nation’s largest health care systems, dedicated to providing compassionate, high-quality, and affordable patient-centered care.

One Community. One Mission. One California 


As a Lab Assistant, you will play a crucial role in solving diagnostic mysteries, bringing us one step closer to effectively treating patient illnesses and injuries.
 
Every day you will utilize your expertise and our advanced technology to precisely collect, prepare, and process a diverse range of patient specimens (blood, urine, tissue, etc.) for various diagnostic tests. 
 
To be successful in this role, you will possess a foundational understanding of laboratory procedures, demonstrate meticulous attention to detail, and maintain an eager commitment to continuous learning and professional development.
  • Practice positive patient identification and ensure proper specimen labeling
  • Greet and communicate with patients and team members with professionalism and HumanKindness
  • Process and organize specimens for department distribution with speed and accuracy
  • Handle send-out lab testing, including packaging and documentation for external labs
  • Assist with blood collection following proper venipuncture and capillary techniques (if phlebotomy is part of the role)
  • Support clerical tasks and workflow needs to ensure the lab operates smoothly
  • Collaborate with lab team members to resolve issues and maintain high-quality service 

  • High school graduation or GED.
  • Minimum of six (6) months as a laboratory phlebotomist
  • California Phlebotomy Certification is required.

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