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

Labcorp

Specialty Lab Assistant

Monrovia, CA

$17.75 - $22.76/hr

Labcorp is seeking a Lab Assistant to join our team in Monrovia, CA . Work Schedule: Monday - Friday 2:00 am - 10:30 am. Additional days and hours may be required depending on business needs Job ...

Labcorp

Specialty Lab Assistant

Monrovia, CA

$17.75 - $22.76/hr

Labcorp is seeking a Lab Assistant to join our team in Monrovia, CA . Work Schedule: Monday - Friday 2:00 am - 10:30 am. Additional days and hours may be required depending on business needs Job ...

PIH Health

Lab Assistant, Per Diem

Whittier, CA · On-site

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

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 ...

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Lab Assistant information

See Rancho Cucamonga, CA salary details

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How much do lab assistant jobs pay per hour?

As of Sep 8, 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 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.

How much does a lab assistant get paid?

Lab assistants typically earn between $25,000 and $40,000 annually, depending on experience, location, and the specific industry or laboratory setting. Entry-level positions may start lower, while those with specialized skills or certifications can earn higher wages. Pay can also vary based on full-time or part-time status and the complexity of tasks performed.

What exactly does a lab assistant do?

A lab assistant supports laboratory operations by preparing samples, maintaining equipment, recording data, and ensuring safety protocols are followed. They often work under the supervision of scientists or technicians and may need knowledge of lab procedures and basic scientific techniques.

What qualifications do I need to be a lab assistant?

To become a lab assistant, candidates typically need a high school diploma or equivalent; some positions may require postsecondary education or relevant coursework in science. Basic knowledge of laboratory procedures, attention to detail, and familiarity with lab equipment are important. Certifications such as OSHA safety training can also be beneficial.
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 September 2026, with employment types broken down into 8% As Needed, 77% Full Time, and 15% Part Time. Highlights an 100% In-person job distribution, with an average salary of $43,036 per year, or $20.7 per hour.

Laboratory Assistant

San Bernardino, CA • On-site

St Bernardine Medical Center
See more jobs at St Bernardine Medical Centerexternal

$27.71 - $33.13/hr

Per diem

Posted 14 days ago

Job description


Job Summary and Responsibilities

As our 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.

Responsibilities: 

  • The lab assistant must be able to demonstrate the knowledge and skills necessary to provide appropriate care relative to the patient's age-specific needs.
  • This lab assistant will play a critical role in the Emergency Room schedule
  • Assist with specimen processing, including labeling, centrifuging, and aliquoting.
  • Prepare reagents and solutions according to established protocols.
  • Maintain laboratory equipment and supplies to ensure cleanliness and proper functioning.
  • Perform routine lab tasks such as washing glassware, sterilizing instruments, and preparing culture media.
  • Assist with data entry and record-keeping, ensuring accuracy and compliance with relevant regulations.
  • Assist with other tasks as assigned by the laboratory supervisor.
  • Will be required to work in the Emergency Room

This position is represented by SEIU-UHW and is covered by the terms and conditions of the applicable collective bargaining agreement.

Job Requirements
  • Minimum of six (6) months as a laboratory phlebotomist is required.
  • California Certified Phlebotomy through the Department of Public Health required. California Phlebotomy Certification
Where You'll Work

Founded in 1928, Dignity Health - St. Bernardine Medical Center is a 342-bed, acute care, nonprofit hospital located in San Bernardino, California. Serving nearly 100,000 patients annually, the hospital offers a full complement of services including a Level III NICU, heart care, stroke care and orthopedics. Additionally, St.Bernardine Medical Center has been recognized as an LGBTQ+ Healthcare Equality High Performer by the Human Rights Campaign Foundation. It is a Joint Commission-certified Primary Stroke Center and was recently awarded AMA/ASA’s Get the Guidelines - Stroke Gold Plus Quality Achievement, recognizing the hospital’s commitment to providing the best stroke care. It was named one of Healthgrades America’s 100 Best Hospitals for Prostate Surgery in 2026.

One Community. One Mission. One California 

Qualifications:
  • Minimum of six (6) months as a laboratory phlebotomist is required.
  • California Certified Phlebotomy through the Department of Public Health required. California Phlebotomy Certification
Employment Type: PRN

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