Certified Group
Consulting & Professional ServicesDirect Greenhouse career site

Lab Assistant

Pay
$20 – $23 per hour
Location
Tustin, CA · On-site
Job type
Full-time
Level
Entry level
Listed
30 days ago

Skills & highlights for this role

  • autoclave operation
  • media preparation
  • laboratory safety
  • inventory management

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.

Essential Responsibilities

  • 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.

Skills & Competencies

  • 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.

Additional information

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Pay and benefits

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

About Certified Group

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.

Read the original posting

From Certified Group's careers page, first listed on Rolev.ai on October 10, 2026. Rolev.ai is not the employer.

How Rolev.ai helps with this application

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Common questions

What is the salary for the Lab Assistant role at Certified Group?

The Lab Assistant posting at Certified Group states compensation of $20 – $23 per hour. It is listed as a full-time position. Final pay may depend on location, experience, and interview evaluation on Certified Group's official career site.

Where is the Lab Assistant job at Certified Group located?

This Lab Assistant position at Certified Group is located in Tustin, CA (On-site). Always check Certified Group's application page for specific state eligibility or relocation policies.

What qualifications are required for Lab Assistant at Certified Group?

For the Lab Assistant role, Certified Group highlights experience with autoclave operation, media preparation, laboratory safety, inventory management. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.

How do I apply for the Lab Assistant position at Certified Group?

This listing links directly to Certified Group's Greenhouse application page. You can apply directly on Certified Group's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Greenhouse application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.