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

TridentCare

Lab Assistant

Irvine, CA

$18/hr

Routes reference lab specimens, with a copy of the requisition, to the reference lab desk for inclusion into the TRK Sendout Manifest for the Burbank lab. * Prepares reference lab coolers correctly ...

TridentCare

Lab Assistant

Irvine, CA

$18/hr

Routes reference lab specimens, with a copy of the requisition, to the reference lab desk for inclusion into the TRK Sendout Manifest for the Burbank lab. * Prepares reference lab coolers correctly ...

TridentCare

Lab Assistant

Irvine, CA · On-site

Routes reference lab specimens, with a copy of the requisition, to the reference lab desk for inclusion into the TRK Sendout Manifest for the Burbank lab. * Prepares reference lab coolers correctly ...

Trident Care

Lab Assistant

Irvine, CA

$18/hr

Routes reference lab specimens, with a copy of the requisition, to the reference lab desk for inclusion into the TRK Sendout Manifest for the Burbank lab. * Prepares reference lab coolers correctly ...

TridentCare

Lab Assistant

Irvine, CA · On-site

Routes reference lab specimens, with a copy of the requisition, to the reference lab desk for inclusion into the TRK Sendout Manifest for the Burbank lab. * Prepares reference lab coolers correctly ...

Trident Care

Lab Assistant

Irvine, CA

$18/hr

Routes reference lab specimens, with a copy of the requisition, to the reference lab desk for inclusion into the TRK Sendout Manifest for the Burbank lab. * Prepares reference lab coolers correctly ...

Certified Group

Lab Assistant

Tustin, CA

Job Summary The Lab Assistant within the Media Department is responsible for preparing, sterilizing, and organizing media and reagents essential to analytical and microbiological testing of food ...

Certified Group

Lab Assistant

Tustin, CA · On-site

Job Summary The Lab Assistant within the Media Department is responsible for preparing, sterilizing, and organizing media and reagents essential to analytical and microbiological testing of food ...

Certified Group

Lab Assistant

Tustin, CA

Job Summary The Lab Assistant within the Media Department is responsible for preparing, sterilizing, and organizing media and reagents essential to analytical and microbiological testing of food ...

UHS

Lab Assistant

Murrieta, CA

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 ...

UHS

Lab Assistant

Murrieta, CA · On-site

$23 - $33.18/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 ...

Prime Healthcare

*Lab Assistant - Clinical Lab

Chino, CA

$23 - $27.56/hr

The Laboratory Assistant will follow the guidelines set by CLIA, and the CA Business and Professions Codes (bpc: 1212, 1269). Unlicensed laboratory personnel ("aides") may not, read, record, result ...

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All JobsLab JobsWeekend Lab Assistant JobsWeekend Lab Assistant Jobs in Riverside, CA

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:
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Weekend Lab Assistant jobs near you

Lab Assistant

Community Hospital San Bernardino

San Bernardino, CA

$27.71 - $33.13/hr

Other

Posted 4 days ago

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.
  • Practice positive patient identification and ensure proper specimen labeling
  • Greet and communicate with patients and team members with professionalism and HumanKindness
  • Process and organize specimens for department distribution with speed and accuracy
  • Handle send-out lab testing, including packaging and documentation for external labs
  • Assist with blood collection following proper venipuncture and capillary techniques (if phlebotomy is part of the role)
  • Support clerical tasks and workflow needs to ensure the lab operates smoothly
  • Collaborate with lab team members to resolve issues and maintain high-quality service 
Job Requirements
  • High school graduation or equivalent required.
  • Minimum of six (6) months as a laboratory phlebotomist
  • California Phlebotomy Certification is required.
  • Phlebitomy/Lab Assistant Program certification.
Where You'll Work

Founded in 1910, Dignity Health - Community Hospital of San Bernardino is a 343-bed, acute care, nonprofit hospital. Serving over 75,000 patients annually, the hospital offers a full complement of services including a Level II NICU, maternity care and pediatrics, and behavioral health and long-term subacute care for adults and children. 

Additionally, Community Hospital of San Bernardino has been recognized with the gold seal of approval by the Joint Commission, as an LGBTQ+ Healthcare Equality Leader by the Human Rights Campaign Foundation, and rated five stars for Children’s Subacute Center by the Centers for Medicare and Medicaid Services. In 2025, we were voted Best Hospital by Inland Empire Magazine. 

Community Hospital of San Bernardino shares a legacy of humankindness with Dignity Health and CommonSpirit Health, one of the nation’s largest health care systems, dedicated to providing compassionate, high-quality, and affordable patient-centered care.

One Community. One Mission. One California 

Qualifications:
  • High school graduation or equivalent required.
  • Minimum of six (6) months as a laboratory phlebotomist
  • California Phlebotomy Certification is required.
  • Phlebitomy/Lab Assistant Program certification.
Employment Type: PRN

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