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Weekend Lab Assistant Jobs in California (NOW HIRING)

CommonSpirit Health

Lab Assistant

Northridge, CA

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

Northridge, 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 ...

Opendoorhealth

Lab Assistant III

Willow Creek, CA · On-site

The Lab Assistant III is responsible for compliance with the quality control and proficiency testing regulation. The Lab Assistant III performs routine laboratory tasks related to processing whole ...

Chapman University

Lab Tech Assistant 1

Orange, CA · On-site

$16.90 - $17.50/hr

The primary responsibility of the Lab Assistant is to follow and maintain the Art Studio Lab ... Available during evenings and weekends. Comfortable leading by example and enforcing Policy ...

Chapman University

Lab Tech Assistant 1

Orange, CA

$16.90 - $17.50/hr

The primary responsibility of the Lab Assistant is to follow and maintain the Art Studio Lab ... Available during evenings and weekends. Comfortable leading by example and enforcing Policy ...

Mammoth Distribution

Lab Assistant

Hollywood, CA · On-site

$21 - $23/hr

Lab Assistant Department: Production Employment Type: Full Time Location: North Hollywood, CA Compensation: $21.00 - $23.00 / hour Description ...master the art of cannabis science-ensuring every ...

Opendoorhealth

Lab Assistant II

Eureka, CA

Our lab assistant hourly wage ranges are listed below. All new hires will start at the base wage for the position. Certification and other requirements may be required to be hired at a higher step on ...

RemX

Lab Assistant

Beverly Hills, CA · On-site

$20 - $26/hr

IMMEDIATE and multiple openings for Lab Assistants! 2nd and 3rd Shifts. Previous experience in lab environments highly preferred. Will receive, log, identify, and document incoming specimens such as ...

University of California, Irvine

Lab Assistant

Irvine, CA · On-site

$25.95/hr

The employee will assist the lab manager with requesting quotes and placing orders for lab related ... Availability to work occasional nights and weekends. * Demonstrates ability to analyze problems ...

Chapman University

General Lab Assistant

Orange, CA · On-site

$50/hr

Posting Details Position Information Position Title General Lab Assistant Position Type Temporary Job Number SA73124 Full or Part Time part-time 0-19 hours weekly Fair Labor Standard Act ...

Chapman University

General Lab Assistant

Orange, CA

$50/hr

Position Information Position Title General Lab Assistant Position Type Temporary Job Number SA73124 Full or Part Time part-time 0-19 hours weekly Fair Labor Standard Act Classification Non-Exempt ...

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Weekend Lab Assistant information

See California salary details

$10

$19

$29

How much do weekend lab assistant jobs pay per hour?

As of Jun 9, 2026, the average hourly pay for weekend lab assistant in California is $19.98, according to ZipRecruiter salary data. Most workers in this role earn between $16.35 and $22.79 per hour, depending on experience, location, and employer.

What is a Weekend Lab Assistant job?

A Weekend Lab Assistant supports laboratory operations by preparing samples, maintaining equipment, and assisting with experiments, typically on weekends. Responsibilities may include organizing lab materials, handling specimens, and ensuring safety protocols are followed. This role is common in medical, research, or academic labs and requires attention to detail and basic lab skills. It is ideal for students or individuals seeking part-time lab experience.

What are the key skills and qualifications needed to thrive in the Weekend Lab Assistant position, and why are they important?

To thrive as a Weekend Lab Assistant, you should have a solid background in basic laboratory procedures, safety protocols, and at least a high school diploma or equivalent, with higher education in the sciences preferred. Familiarity with lab equipment such as centrifuges, spectrophotometers, and laboratory information management systems (LIMS) is often required. Strong attention to detail, organizational skills, and effective communication set candidates apart in this role. These abilities are crucial for ensuring accurate sample handling, data recording, and maintaining a safe laboratory environment during non-standard work hours.

What are the typical responsibilities of a Weekend Lab Assistant?

As a Weekend Lab Assistant, your primary duties include preparing and processing samples, maintaining lab equipment, recording data accurately, and ensuring the lab is clean and organized. You may also assist with inventory management, support researchers or senior technicians, and follow established protocols for safety and quality control. Due to the weekend schedule, you may work more independently but will still receive guidance from laboratory supervisors. This role provides valuable hands-on experience in a professional lab environment and the opportunity to collaborate with experienced staff when needed.

How much do lab assistants get paid?

Weekend lab assistants typically earn between $10 and $20 per hour, depending on the location, industry, and level of experience. Pay rates may vary based on the complexity of tasks, certifications, and the employer's budget.
What are popular job titles related to Weekend Lab Assistant jobs in California? For Weekend Lab Assistant jobs in California, the most frequently searched job titles are:
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What cities in California are hiring for Weekend Lab Assistant jobs? Cities in California with the most Weekend Lab Assistant job openings:
Weekend Lab Assistant jobs near you
Infographic showing various Weekend Lab Assistant job openings in California as of May 2026, with employment types broken down into 1% As Needed, 74% Full Time, 19% Part Time, 1% Temporary, 4% Contract, and 1% Nights. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $41,562 per year, or $20 per hour.
Lab Assistant

Lab Assistant

CommonSpirit Health

Northridge, CA

Part-time

Posted 7 days ago

CommonSpirit Health rating

7.1

Company rating: 7.1 out of 10

Based on 503 frontline employees who took The Breakroom Quiz

372nd of 870 rated healthcare providers

Job description


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.

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.

  • 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

Required:

  • High School Diploma/GED
  • California Phlebotomy Technician License (CA PHLEB Lic)
  • American Heart Association Basic Life Support Certification (AHA BLS)
  • Fire Safety Card required (must obtain 90 days from hire date) 

Preferred: 

  • Lab Assistant Program certification, Phlebotomy program certificate
  • Six months of experience in an acute care facility
Where You'll Work

Founded in 1955, Dignity Health - Northridge Hospital Medical Center is a 394-bed, acute care, nonprofit hospital located. Serving over 80,000 patients annually, the hospital offers a full complement of services including a Level II Trauma Center, heart care, cancer care and women’s health. It is the only pediatric trauma center in the San Fernando Valley. 

Additionally, Northridge Hospital Medical Center has been recognized as an LGBTQ+ Healthcare Equality High Performer by the Human Rights Campaign Foundation. It is a Joint Commission-certified Thrombectomy-Capable Stroke Center and has been recognized as one of America’s 50 Best Hospitals by Healthgrades in 2026.

One Community. One Mission. One California 

Qualifications:

Required:

  • High School Diploma/GED
  • California Phlebotomy Technician License (CA PHLEB Lic)
  • American Heart Association Basic Life Support Certification (AHA BLS)
  • Fire Safety Card required (must obtain 90 days from hire date) 

Preferred: 

  • Lab Assistant Program certification, Phlebotomy program certificate
  • Six months of experience in an acute care facility
Employment Type: Part Time w/o Benefits

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