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Laboratory Assistant Jobs in Rialto, CA (NOW HIRING)

Laboratory Assistant - Metals

Orange, CA ยท On-site

$17.25 - $20/hr

A Day in the Life As a Full-Time Laboratory Assistant based in our Orange, CA Laboratory , you'll step into the lab where every detail matters. You'll play a key role in supporting the Metals ...

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A Day in the Life As a Full-Time Laboratory Assistant based in our Orange, CA Laboratory , you'll step into the lab where every detail matters. You'll play a key role in prepping and handling samples ...

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Laboratory Assistant information

See Rialto, CA salary details

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How much do laboratory assistant jobs pay per hour?

As of Aug 29, 2026, the average hourly pay for laboratory assistant in Rialto, CA is $20.30, according to ZipRecruiter salary data. Most workers in this role earn between $16.63 and $23.12 per hour, depending on experience, location, and employer.

What is a laboratory assistant?

Laboratory assistants are professionals who support scientists, researchers, and lab technicians by performing routine tasks in laboratories. Their duties often include preparing and cleaning lab equipment, collecting and labeling samples, conducting basic experiments, and maintaining accurate records of their work. They play a crucial role in ensuring that laboratories run smoothly and efficiently, and their work helps facilitate scientific research and development. Laboratory assistants may work in a variety of settings, including hospitals, research institutions, and educational facilities.

What are some common challenges laboratory assistants face in maintaining accuracy and safety in their daily tasks?

Laboratory Assistants often encounter challenges such as managing multiple samples simultaneously while adhering to strict protocols for accuracy and contamination prevention. Ensuring proper labeling, handling hazardous materials safely, and maintaining detailed records are essential responsibilities that require attention to detail and strong time management skills. Collaboration with scientists and technicians is also important, as clear communication helps prevent errors and promotes a safe, efficient work environment. Staying up-to-date on safety procedures and laboratory best practices is key to overcoming these challenges.

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

To thrive as a Laboratory Assistant, you need a solid understanding of laboratory procedures, sample handling, and safety protocols, usually supported by a relevant science degree or certification. Familiarity with laboratory information management systems (LIMS), basic laboratory equipment, and safety certifications such as OSHA are typically required. Attention to detail, organization, and effective communication are crucial soft skills for maintaining accuracy and collaborating with team members. These abilities ensure reliable results, uphold safety standards, and support the overall efficiency and integrity of laboratory operations.

What is the difference between Laboratory Assistant vs Laboratory Technician?

AspectLaboratory AssistantLaboratory Technician
Required CredentialsHigh school diploma or equivalent; some roles may require certificationPost-secondary education, often a diploma or associate degree in laboratory technology
Work EnvironmentHospitals, clinics, research labs, educational institutionsMedical labs, research facilities, industrial laboratories
Job ResponsibilitiesAssisting with sample collection, preparing specimens, cleaning equipmentPerforming tests, analyzing samples, maintaining lab equipment
Common UsageOften entry-level, supporting technical staffMore technical, with independent testing responsibilities

Laboratory Assistants typically support laboratory operations with basic tasks and require minimal formal education. Laboratory Technicians perform more complex testing and analysis, often needing specialized training or certification. Both roles are essential in lab settings, but Laboratory Technicians usually have a higher level of technical responsibility.

Do you need qualifications to be a laboratory assistant?

Laboratory assistants typically need a high school diploma or equivalent, and some positions may require post-secondary education or certifications in laboratory techniques or related fields. Relevant skills include attention to detail, familiarity with laboratory equipment, and basic knowledge of safety procedures.

How do you become a laboratory assistant?

To become a laboratory assistant, candidates typically need a high school diploma or equivalent, along with relevant laboratory or scientific coursework. Some positions require post-secondary education or certifications in laboratory techniques, and strong attention to detail, organizational skills, and familiarity with lab equipment are important for success.

How much does a laboratory assistant get paid?

The average salary for a laboratory assistant varies by location and experience but typically ranges from $25,000 to $45,000 per year. Entry-level positions may start lower, while those with specialized skills or certifications can earn higher wages, often working in clinical, research, or industrial labs.

What are the most commonly searched types of Laboratory jobs in Rialto, CA?

The most popular types of Laboratory jobs in Rialto, CA are:

What job categories do people searching Laboratory Assistant jobs in Rialto, CA look for?

The top searched job categories for Laboratory Assistant jobs in Rialto, CA are:

What cities near Rialto, CA are hiring for Laboratory Assistant jobs?

Cities near Rialto, CA with the most Laboratory Assistant job openings:

Infographic showing various Laboratory Assistant job openings in Rialto, CA as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 17% Part Time, 1% Temporary, and 2% Contract. Highlights an 87% Physical, 1% Hybrid, and 12% Remote job distribution, with an average salary of $42,230 per year, or $20.3 per hour.

Laboratory Assistant

St Bernardine Medical Center

San Bernardino, CA โ€ข On-site

$27.71 - $33.13/hr

Per diem

Posted 3 days ago

New


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:ย 

  • 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/ASAโ€™s Get the Guidelines - Stroke Gold Plus Quality Achievement, recognizing the hospitalโ€™s commitment to providing the best stroke care. It was named one of Healthgrades Americaโ€™s 100 Best Hospitals for Prostate Surgery in 2026.

One Community. One Mission. One Californiaย 

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