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Lab Assistant

Certified Group · Tustin, CA · United States · On-site

Posted Aug 25, 2026

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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. 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…