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Weekend Lab Assistant Jobs in Riverside, CA (NOW HIRING)

Chemistry Lab Tech

Tustin, CA

$20 - $26.50/hr

JOB SUMMARY Assist in the chemical testing of food products, ingredients, and other matrices with primary functions in solution and reagent preparation, sample homogenization, proximate analysis

Cement Lab Technician III

Jurupa Valley, CA

$19.25 - $25.50/hr

Job Summary The Laboratory Technician III will be responsible for performing and overseeing cement laboratory operations, including sampling, preparation, and testing of materials in accordance with

Cement Lab Technician III

Jurupa Valley, CA · On-site

$19.25 - $25.50/hr

Job Summary The Laboratory Technician III will be responsible for performing and overseeing cement laboratory operations, including sampling, preparation, and testing of materials in accordance with

Cement Lab Technician III

Jurupa Valley, CA

$19.25 - $25.50/hr

Job Summary The Laboratory Technician III will be responsible for performing and overseeing cement laboratory operations, including sampling, preparation, and testing of materials in accordance with

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Lab Sampler/Driver

Irvine, CA · On-site

$20.50 - $27/hr

Position Title: Lab Sampler/Driver Reports to: Logistics Dept. Location: Irvine, CA Company Description PML's mission is to adopt best practices in cannabis testing, provide unrivaled customer

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Lab Sampler/Driver

Irvine, CA · On-site

$20.50 - $27/hr

Position Title: Lab Sampler/Driver Reports to: Logistics Dept. Location: Irvine, CA Company Description PML's mission is to adopt best practices in cannabis testing, provide unrivaled customer

DDL, Inc. is a third-party testing facility dedicated to helping medical device and pharmaceutical companies across the globe bring products to market. For over 30 years, DDL has provided

Chemistry Lab Tech

Tustin, CA · On-site

$21 - $24/hr

Certified Group is committed to partnering with customers to deliver innovative scientific solutions and expertise - So The World Can Trust In What It Consumes™. Our network of 30+ North American and

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Weekend Lab Assistant information

See Riverside, CA salary details

$10

$21

$31

How much do weekend lab assistant jobs pay per hour?

As of Jul 21, 2026, the average hourly pay for weekend lab assistant in Riverside, CA is $21.12, according to ZipRecruiter salary data. Most workers in this role earn between $17.31 and $24.09 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.

How much does a lab assistant get paid?

The average pay for a weekend lab assistant typically ranges from $10 to $15 per hour, depending on the location, employer, and required skills. Some positions may offer higher wages for specialized tasks or certifications, and schedules often include evening or weekend hours.

How many hours do lab assistants work?

Weekend lab assistants typically work part-time hours, often around 4 to 8 hours per shift, depending on the employer and schedule needs. Many positions are flexible and may require working evenings or weekends, with total weekly hours usually ranging from 8 to 20 hours. Full-time roles are less common for weekend lab assistants, who often work during specific shifts or on an as-needed basis.

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.

What qualifications do I need to be a lab assistant?

To be a weekend lab assistant, candidates typically need a high school diploma or equivalent. Relevant skills include attention to detail, basic knowledge of laboratory procedures, and the ability to follow safety protocols; some positions may require prior experience or coursework in science or related fields.

Are lab assistants in high demand?

Lab assistants are generally in steady demand across various industries such as healthcare, research, and education. Employment growth depends on the sector and geographic location, but the role often requires attention to detail and basic laboratory skills. Opportunities may increase with advancements in scientific research and healthcare services.
What are popular job titles related to Weekend Lab Assistant jobs in Riverside, CA? For Weekend Lab Assistant jobs in Riverside, CA, the most frequently searched job titles are:
What cities near Riverside, CA are hiring for Weekend Lab Assistant jobs? Cities near Riverside, CA with the most Weekend Lab Assistant job openings:
Infographic showing various Weekend Lab Assistant job openings in Riverside, CA as of June 2026, with employment types broken down into 1% As Needed, 78% Full Time, 12% Part Time, 1% Temporary, and 8% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $43,935 per year, or $21.1 per hour.