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

Lab Assistant - Full Time

Murrieta, CA · On-site

$21.90 - $31.75/hr

Responsibilities Southwest Healthcare Inland Valley Hospital in Wildomar, California , is a licensed 122-bed facility accredited by the Joint Commission. It is Southwest Riverside County's only

Responsibilities Southwest Healthcare Inland Valley Hospital in Wildomar, California , is a licensed 122-bed facility accredited by the Joint Commission. It is Southwest Riverside County's only

About Us At Onterris, we build careers grounded in purpose,responsibilityand real-world impact. "For Planet and Progress" is our north star that guides everything we do. We believe environmental

About Us At Onterris, we build careers grounded in purpose,responsibilityand real-world impact. "For Planet and Progress" is our north star that guides everything we do. We believe environmental

Job Description Provide support for both routine and non-routine daily laboratory operations. This role involves sample intake, maintaining the retention room, preparing the lab, and assisting with

Lab Technician

Irvine, CA · On-site

$20.50 - $27/hr

Role - Qualys Lab Technician Location - Irvine, CA (100% onsite) POSITION DESCRIPTION: We are seeking a highly skilled and experienced Lab Infrastructure Services Engineer to join Client's team. The

Lab Technician

Irvine, CA · On-site

$20.50 - $27/hr

Role - Qualys Lab Technician Location - Irvine, CA (100% onsite) POSITION DESCRIPTION: We are seeking a highly skilled and experienced Lab Infrastructure Services Engineer to join Client's team. The

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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.
Lab Assistant - Full Time

Lab Assistant - Full Time

UHS

Murrieta, CA • On-site

$21.90 - $31.75/hr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 21 days ago


Universal Health Services rating

6.8

Company rating: 6.8 out of 10

Based on 252 frontline employees who took The Breakroom Quiz

495th of 886 rated healthcare providers


Job description

Responsibilities
Southwest Healthcare Inland Valley Hospital in Wildomar, California , is a licensed 122-bed facility accredited by the Joint Commission. It is Southwest Riverside County's only designated Trauma Center and a county-designated Paramedic Base Station. The hospital performs more than 4,000 surgeries a year, and has an average of 4,000 Emergency Department visits per month. The hospital features a Bariatric Weight-Loss Surgery Center of Excellence and the region's only Total Joint Center.
Southwest Healthcare Rancho Springs Hospital in Murrieta, California , is a 120 bed acute-care hospital with the region's only Pediatric Emergency Services team (for children 14 and under) provided by board certified Rady Children's emergency medicine physicians. Rancho Springs Hospital also provides the area's only OB/Emergency Department program, which gives expectant mothers 24/7 on-site access to OB/GYN physician coverage. The Childbirth Center at Rancho Springs Hospital is the largest in the region and features spacious family-friendly private suites. Rancho's Neonatal Intensive Care Unit (NICU) is operated by Rady Children's.
Employee may be required to float to the other facility within Southwest Health Rancho Springs and Inland Valley Hospital based on operational needs, with appropriate orientation and competency validation provided.
Qualifications
MINIMUM ESSENTIAL EXPERIENCE
Ø Previous experience in a clinical laboratory is preferred.
MINIMUM ESSENTIAL EDUCATION
Ø High School Diploma or equivalent.
REQUIRED LICENSURE / CERTIFICATIONS
Ø A valid Phlebotomy certification from the State of California.
Ø Current BLS required.
BENEFIT HIGHLIGHTS
  • Challenging and rewarding work environment
  • Competitive Compensation & Generous Paid Time Off
  • Excellent Medical, Dental, Vision and Prescription Drug Plans
  • 401(K) with company match and discounted stock plan
  • SoFi Student Loan Refinancing Program
  • Career development opportunities within UHS and its 300+ Subsidiaries!
  • More information is available on our Benefits Guest Website: benefits.uhsguest.com

About Universal Health Services
One of the nation's largest and most respected providers of hospital and healthcare services, Universal Health Services, Inc. (NYSE: UHS) has built an impressive record of achievement and performance. Growing steadily since its inception into an esteemed Fortune 300 corporation, annual revenues were $15.8 billion in 2024. During the year, UHS was again recognized as one of the World's Most Admired Companies by Fortune; and listed in Forbes ranking of America's Largest Public Companies.
Headquartered in King of Prussia, PA, UHS has approximately 99,000 employees and continues to grow through its subsidiaries. Operating acute care hospitals, behavioral health facilities, outpatient facilities and ambulatory care access points, an insurance offering, a physician network and various related services located all over the U.S. States, Washington, D.C., Puerto Rico and the United Kingdom. www.uhs.com
EEO Statement
All UHS subsidiaries are committed to providing an environment of mutual respect where equal employment opportunities are available to all applicants and teammates. UHS subsidiaries are equal opportunity employers and as such, openly support and fully commit to recruitment, selection, placement, promotion and compensation of individuals without regard to race, color, religion, age, sex (including pregnancy, gender identity, and sexual orientation), genetic information, national origin, disability status, protected veteran status or any other characteristic protected by federal, state or local laws.
Avoid and Report Recruitment Scams
We are aware of a scam whereby imposters are posing as Recruiters from UHS, and our subsidiary hospitals and facilities. Beware of anyone requesting financial or personal information.
At UHS and all our subsidiaries, our Human Resources departments and recruiters are here to help prospective candidates by matching skill set and experience with the best possible career path at UHS and our subsidiaries. During the recruitment process, no recruiter or employee will request financial or personal information (e.g., Social Security Number, credit card or bank information, etc.) from you via email. Our recruiters will not email you from a public webmail client like Hotmail, Gmail, Yahoo Mail, etc.
If you suspect a fraudulent job posting or job-related email mentioning UHS or its subsidiaries, we encourage you to report such concerns to appropriate law enforcement. We encourage you to refer to legitimate UHS and UHS subsidiary career websites to verify job opportunities and not rely on unsolicited calls from recruiters.

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About Universal Health Services

Sourced by ZipRecruiter

Universal Health Services (UHS) is a major player in the healthcare industry, based in King of Prussia, Pennsylvania, U.S. Founded in 1978, UHS offers hospital and healthcare services. Their diverse services range from acute care hospitals, behavioral health facilities and ambulatory centers nationwide. The company's mission of enhancing the health and well-being of their patients is reflected in their commitment to 'Helping Individuals Live Longer, Healthier and Happier Lives'. Universal Health Services' consistent growth and success in their industry have been recognized on numerous occasions, including being ranked amongst the Fortune 500 list of largest companies.

Industry

Health care and social assistance

Company size

10,000+ Employees

Headquarters location

King of Prussia, PA, US