Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Lab Assistant

$20 - $23 per hour

Food Safety Net Services

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 European laboratories serves the food & beverage, dietary supplements, cosmetics, OTC, tobacco/nicotine, cannabis, and hemp industries.

Our Brands

Certified Group is comprised of a set of specialized brands that collectively deliver laboratory testing, regulatory consulting, and certification & audit services across highly regulated industries:

  • Certified Laboratories – Provides comprehensive analytical and microbiological testing, primarily supporting food, beverage, cosmetics, OTC, and dietary supplement industries.
  • Food Safety Net Services (FSNS) – A leading network of ISO-accredited laboratories across North America, focused on food safety testing, operational support, and technical services for the food industry.
  • Labstat – A global leader in contract research and testing for nicotine, tobacco, cannabis, hemp, and next‑generation products, with deep expertise in analytical chemistry and toxicology.
  • EAS Consulting Group – A regulatory consulting firm offering expert guidance, training, and auditing support across FDA, USDA, and other regulated sectors, powered by a large network of independent advisors.
  • FSNS Certification & Audit – Provides accredited third‑party auditing and certification services, including food safety, animal welfare, and GMP programs.
Job Summary

The Lab Assistant within the Chem Department is responsible for preparing, sterilizing, and organizing media and reagents essential to analytical and testing of food products, ingredients, and environmental samples. This role ensures the availability of accurate, sterile materials to support testing operations while maintaining laboratory safety and compliance standards.

  • Prepare and maintain bacteriological media and chemical solutions.
  • Safely operate an autoclave to sterilize media, reagents, and supplies.
  • Label, handle, store, use, and dispose of media and solutions in accordance with safety guidelines.
  • Maintain an accurate inventory of prepared media and supplies.
  • Collaborate with other departments to prepare required media in a timely manner.
  • Perform work in a neat, safe, hygienic, and efficient manner; maintain cleanliness and equipment within the department.
  • Follow established processes, procedures, and techniques in accordance with FSNS policies/procedures, customer requirements, and the media operations manual.
  • Maintain laboratory conditions, equipment, supplies, quality assurance programs, and accurate records throughout all procedures.
  • Share information in an open and timely manner to support team collaboration.
  • Complete required training and comply with safety and quality programs.
Education & Experience
  • High School Diploma or GED required.
  • Familiarity with aseptic sampling techniques.
  • Experience operating autoclaves and sterile dispensing equipment preferred.
  • Basic knowledge of testing laboratory practices and general laboratory procedures.
  • One or more years of experience in a commercial food‑testing laboratory preferred.
  • Competency with Laboratory Information Management Systems (LIMS) a plus.
  • Equivalent combination of education and experience may be considered.
  • Strong organizational skills and ability to complete detailed manual tasks.
  • Ability to work under deadlines, manage interruptions, and multitask effectively.
  • Logical thinking and accuracy in task completion.
  • Basic math skills: add, subtract, multiply, divide, and work with fractions and decimals.
  • Ability to follow written and oral instructions and problem‑solve within standardized situations.
  • Working knowledge of ISO 17025 quality procedures and general OSHA laboratory safety guidelines preferred.
Physical Demands & Work Environment
  • Frequent standing, walking, sitting, reaching, and handling of materials.
  • Occasional stooping, kneeling, crouching, or crawling.
  • Regular use of hands and fingers to operate laboratory equipment and computers.
  • Ability to lift and/or move up to 25 pounds.
  • Potential exposure to odors, fumes, airborne particles, hazardous chemicals, and microbiological pathogens.
  • Varying noise levels and temperatures (hot to cold).
  • Fast‑paced, team‑oriented environment.
  • Overnight travel may be required at the discretion of management.
  • Must wear appropriate protective clothing and equipment.
General Requirements
  • Flexible schedule availability.
  • Ability to perform opening and closing procedures in the media laboratory.
  • Commitment to workplace safety for self and others.
  • Willingness to work as part of a collaborative, team‑driven environment.

The compensation details provided below reflect the expected pay range for this role, based on the selected compensation structure and applicable guidelines. Actual pay within this range may vary depending on factors such as experience, skills, qualifications, and geographic location. Additional components of total rewards—such as bonuses, benefits, or incentives—may also apply where applicable.

Salary Range for Pay Transparency

$20 - $23 USD

By applying, you acknowledge that Certified Group will process your personal information for recruitment and hiring purposes in accordance with our Applicant Privacy Policy. California residents may review additional information about how we collect and use personal information, including retention and rights, in our California Notice at Collection. To view our Privacy Policy, click the link here: Certified Group Privacy Policy

We are an Equal Opportunity Employer and make employment decisions without regard to protected characteristics under applicable law.

#J-18808-Ljbffr
Vacancy posted 3 days ago
Similar jobs that could be interesting for youBased on the Lab Assistant in Tustin, CA vacancy
  •  ...Neuromechanics Lab TechnicianFounded in 1965, UC Irvine is a member of the prestigious Association of American Universities and is...  ...out maintenance and operation task for the neuromechanics lab and assist in laboratory research. The tasks include monitoring health and... 
    Suggested
    Local area

    UC Irvine

    Irvine, CA
    2 days ago
  •  ...CHOC in Orange, California is seeking a Laboratory Assistant – Phlebotomist to collect, receive, and distribute specimens while operating...  ...strong communication, and attention to detail to support pediatric lab services. Minimum two years of phlebotomy experience is... 
    Suggested
    Afternoon shift

    Choc

    Orange, CA
    1 day ago
  • $2,244 per week

     ...one of our top healthcare clients.   This is not a Medical Assistant position - please do not apply   Requirements Active certification...  ...other various types of equipment. They must also follow the lab's protocol for analyzing, interpreting and delivering test... 
    Suggested
    Hourly pay
    Weekly pay
    Full time
    Contract work
    Immediate start
    Shift work

    MedPro Healthcare Staffing

    Orange, CA
    1 day ago
  • $2,344 per week

     ...Minimum of 1 year of current work experience providing in Med Lab Tech. California State Healthcare Provider license or willing...  ...level of service and are committed to providing our travelers assistance whenever an issue arises. Again, we are a “Best Workplace” because... 
    Suggested
    Hourly pay
    Weekly pay
    Full time
    Contract work
    Work experience placement
    Shift work

    OneStaff Medical

    Orange, CA
    1 day ago
  • $2,132 per week

    Medical Laboratory Technician Location: Orange, CA Agency: FlexCare Pay: $2,132 per week Shift Information: Nights - 4 days x 10 hours Contract Duration: 13 Weeks Start Date: ASAP About the Position Position Details Profession: ...
    Suggested
    Full time
    Contract work
    Local area
    Immediate start
    Shift work
    Night shift

    FlexCare

    Orange, CA
    1 day ago
  • $2,532 per week

     ...Nights - 4 days x 10 hours Contract Duration: 13 Weeks Start Date: 11/10/2026 About the Position Job Title: Clinical Lab Scientist Profession: Laboratory Specialty: Blood Bank Duration: 13 weeks Shift: Night Hours per Shift: 10 Experience: 2 years... 
    Full time
    Contract work
    Flexible hours
    Shift work
    Night shift
    Rotating shift
    Weekend work

    Cynet Health

    Orange, CA
    1 day ago
  • $2,225 per week

     ...SkyBridge Healthcare offers industry leading benefits including: ~ Top of the line weekly pay packages ~ Travel assistance ~ Weekly tax-free stipend ~ Medical, Dental, and Vision insurance ~24/7 support with a dedicated recruiter... 
    Weekly pay
    Full time
    Contract work
    Immediate start
    Shift work

    SkyBridge Healthcare

    Orange, CA
    1 day ago
  •  ...Fulfillment in the Lab: Join a Dynamic Diagnostic TeamIn the heart of a serene coastal region where the sun kisses the horizon and...  ...performance through routine maintenance and calibration. You will also assist in specimen collection and sample preparation, document every... 
    Full time
    Seasonal work
    Local area
    Weekend work

    MLee Healthcare Staffing and Recruiting, Inc

    Irvine, CA
    2 days ago
  • $2,160 - $2,468 per week

     ...search for your next adventure. Favorite Healthcare Staffing is looking for an experienced Laboratory Medical Laboratory Technician (LAB MLT) for an assignment in Orange , CA! This assignment is for 13 weeks and ideal candidates must have at least one year of recent... 
    Weekly pay
    Shift work

    Favorite Healthcare Staffing

    Orange, CA
    4 days ago
  • Travel healthcare offers healthcare professionals new career opportunities that involve travel, growth, and excitement. At Host Healthcare, we are dedicated to providing travel nurses, travel therapists, and travel allied professionals with the assignment of their dreams...

    Host Healthcare

    Orange, CA
    2 days ago
  •  ...Laboratory Assistant – PhlebotomistWork Location: Orange, CaliforniaWork Shift: Evening – 08hrs (United States of America)At CHOC, we strive...  ...blood collection experience. Previous experience with Good Lab Practice.Education: Required: High School Diploma/ GED or equivalent... 
    Daily paid
    Shift work
    Afternoon shift

    CHOC

    Orange, CA
    3 days ago
  •  ...CHOC in Orange, California is seeking a part-time Lab Assistant/Phlebotomist for evening shifts to collect specimens and support the laboratory operations. The role emphasizes skilled venipuncture, accurate labeling, and friendly customer service. The ideal candidate... 
    Part time
    Afternoon shift

    Choc

    Orange, CA
    3 days ago
  •  ...Meda Health is looking for a Medical Lab Tech to work a travel assignment in an acute care hospital setting. Must have at least two years of experience, state licensure and BLS. Competitive and Transparent Pay We value your expertise and respect your dedication —... 

    Lucas County Health Center

    Orange, CA
    2 days ago
  • $2,160 - $2,468 per month

     ...Favorite Healthcare Staffing, Inc. is seeking an experienced Laboratory Medical Laboratory Technician (LAB MLT) for an Orange, CA assignment. This 13-week role requires at least one year of recent LAB MLT experience and an active license. The position offers a weekly... 
    Weekly pay

    Favorite Healthcare Staffing

    Orange, CA
    3 days ago
  •  ...Elevate Your Passion in a State-of-the-Art Lab: Join a Dynamic Diagnostic Team in a Coastal ParadiseAre you a meticulous Medical Lab...  ...lab instruments through preventative maintenance and calibration.Assist in specimen collection processes and prepare samples for... 
    Full time

    MLee Healthcare Staffing and Recruiting, Inc

    Santa Ana, CA
    2 days ago
  •  ...Embrace Your Curiosity in the Diagnostic Lab: Join an Engaging Team in a Coastal ParadiseWe are on the lookout for a Clinical Laboratory...  ...maintenance and calibration on laboratory instruments.Assist in specimen collection and prepare samples for testing whenever... 
    Full time
    Local area
    Weekend work
    Day shift

    MLee Healthcare Staffing and Recruiting, Inc

    Santa Ana, CA
    2 days ago
  •  ...Job Title: Medical Assistant/Technician (Hospital Corpsman) Category / Component: Enlisted • Both Overview Hospital Corpsmen assist healthcare professionals and provide medical and dental care to Sailors, Marines, and their families across clinics, hospitals, ships, and... 
    Apprenticeship
    Shift work

    US Navy

    Tustin, CA
    3 days ago
  •  ...Ignite Your Passion in the Lab: Become Part of a Dynamic Diagnostic Team Near Coastal WondersWe are on the lookout for a dedicated...  ...necessary maintenance and calibration of laboratory instruments.Assist with specimen acquisition and prepare samples for analysis as required... 
    Full time
    Seasonal work
    Local area
    Shift work
    Weekend work
    Day shift

    MLee Healthcare Staffing and Recruiting, Inc

    Santa Ana, CA
    2 days ago
  •  ...Discover a New Horizon in the Lab: Become a Key Player in a Dynamic Diagnostic TeamWe are on the hunt for a proactive Medical Lab Technician...  ...of lab equipment through regular maintenance and calibration.Assist with the collection of specimens and prepare them for testing as... 
    Full time
    Local area
    Weekend work
    Day shift

    MLee Healthcare Staffing and Recruiting, Inc

    Irvine, CA
    12 hours ago
  •  ...Explore Discovery in the Lab: Become Part of a Dynamic Diagnostic Team in a Breathtaking Coastal City Are you a passionate Medical...  ...routine maintenance and calibration of laboratory equipment. Assist with the collection of specimens and prepare samples for... 
    Full time
    Casual work
    Seasonal work
    Local area
    Weekend work
    Day shift

    MLee Healthcare Staffing and Recruiting, Inc

    Irvine, CA
    4 days ago
  • $20.5 - $25 per hour

     ...Laboratory**, you’ll be responsible for preparing samples, support daily lab operations, and collaborate with experienced teammates -...  ...of the following responsibilities:* Perform all Laboratory Assistant duties, including sample handling, organization, and general laboratory... 
    Full time
    Work at office
    Shift work

    Onterris, Inc.

    Orange, CA
    4 days ago
  •  ...specialty areas: Information Technology (IT), Clinical Research, Rehabilitation Therapy and Nursing. Job Description Job title: Lab Technician I Location: Santa Ana, CA Duration: 6+ months (Possibilities of extension) Local candidate needed... 
    Local area

    Integrated Resources

    Santa Ana, CA
    1 day ago
  •  ...veterinarian animal treatment.  • You will be performing diagnostic tests on blood, urine, fecal or pet biopsy samples that we receive in our lab by the thousands, every day. • You will be responsible for setting up and running lab tests and reading and releasing results... 

    Compunnel

    Irvine, CA
    4 days ago
  • $30 per hour

     ...veterinarian animal treatment. You will perform diagnostic tests on blood, urine, fecal or pet biopsy samples that we receive in our lab by the thousands, every day. You will set up and run lab tests, then read and release results according to SOPs (Standard Operating Procedures... 
    Hourly pay
    Full time
    Local area
    Worldwide
    Work visa
    Shift work
    Night shift
    Day shift

    IDEXX Laboratories, Inc

    Irvine, CA
    5 days ago
  • $23 per hour

    Job Title: Laser Technician 1st shift PAY: $23/hour Schedule: 5:00 AM – 2:30 PM Monday - Friday / Every other Friday OFF . Our client in Irvine, CA is hiring Laser Technicians to join their dynamic Assembly Support Team. If you have hands-on experience...
    Weekly pay
    Full time
    Work at office
    Monday to Friday
    Day shift

    Manpower

    Irvine, CA
    12 hours ago
  •  ...Simulation & Skills Lab Assistant The Simulation & Skills Lab Assistant supports the daily operations of the Pacific College's nursing simulation and skills laboratories. This role is responsible for preparing, maintaining, and organizing lab environments, equipment... 
    Flexible hours
    Weekend work
    Afternoon shift

    Pacific

    Costa Mesa, CA
    4 days ago
  • $19.5 - $21.06 per hour

    Medical Assembly TechnicianOur client, a leading organization in the medical device manufacturing industry, is seeking a Medical Assembly Technician to join their team. As a Medical Assembly Technician, you will be part of the Assembly Support Team supporting production...

    Manpower

    Irvine, CA
    2 days ago
  • $34.55 per hour

     ...and $8 billion statewide. To learn more about UC Irvine, visit This recruitment is for a Temporary Part-Time Clinical Research Assistant position through UC Irvine's internal temporary staffing department. The work schedule is Monday - Friday, 8:30am - 2pm (25 hours... 
    Full time
    Temporary work
    Part time
    Work experience placement
    Local area
    Monday to Friday
    Flexible hours
    Afternoon shift

    UC Irvine

    Orange, CA
    4 days ago
  • Clinical Research Associate IIJoin the forefront of groundbreaking research at the Beckman Research Institute of City of Hope, where we're changing lives and making a real difference in the fight against cancer, diabetes, and other life-threatening illnesses. Our dedicated...
    Hourly pay
    Work experience placement

    City of Hope

    Irvine, CA
    4 days ago
  •  ...communication plan for clinical trial sites.Act as a point of contact for clinical trial sites regarding study-related questions and issues.Assist in managing site readiness.Monitor site performance and compliance with protocols, regulations, and study timelines.Support site... 
    Contract work
    Work at office
    Remote work

    Diality

    Irvine, CA
    4 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Lab Assistant. Be the first to apply!