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Jobs in California, United States
15 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.
1–15 of 15 jobs
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Chemistry Lab Tech
5 days agoCertified Group · Tustin, California, United States
Mid level$21.00 – $24.00 an hourScience & researchAssist in the chemical testing of food products, ingredients, and other matrices with primary functions in solution and reagent preparation, sample homogenization, proximate analysis chemistry instrument use (balance, oven, furnace, and extractors), chemistry extractions and…
Analytical Chemist, OTC
9 days agoCertified Group · Burbank, California, United States
Mid level$30.00 – $35.00 an hourScience & researchWe are currently seeking a Analytical Chemist to join our growing team.
Part-Time Chemistry Lab Tech
2 weeks agoCertified Group · Turlock, California, United States
Part-timeMid level$19.00 – $21.00 an hourScience & researchAssist in the chemical testing of food products, ingredients, and other matrices with primary functions in solution and reagent preparation, sample homogenization, proximate analysis chemistry instrument use (balance, oven, furnace, and extractors), chemistry extractions and…
Sample Login Technician
3 weeks agoCertified Group · Turlock, California, United States
$18.00 – $20.00 an hourTrades & logisticsProcess customer samples ensuring protocols are followed for receipt and handling. Properly notify customers of issues related to samples submitted for testing.
Microbiologist 1
3 weeks agoCertified Group · Burbank, California, United States
Entry level$23.00 – $25.00 an hourScience & researchPrepare samples for analytical and microbiological testing of nutraceutical products and supplements ingredients, and environmentals. The role is responsible for the application of approved microbiological techniques and methodologies used in analytical testing.
Quality Assurance Coordinator
3 weeks agoCertified Group · Burbank, California, United States
Entry level$25.00 – $30.00 an hourEngineeringThe Quality Assurance Coordinator supports the development, implementation, maintenance, and continuous improvement of the Quality Management System (QMS). This role assists with quality system administration, document control, compliance activities, audit support, and quality…
Microbiology Lab Technician
7 weeks agoCertified Group · Fresno, California, United States
$19.00 – $21.00 an hourScience & researchPrepare samples for analytical and microbiological testing of food products, ingredients, and environmentals. The role is responsible for the application of approved microbiological techniques and methodologies used in analytical testing.
Lab Assistant
2 months agoCertified Group · Tustin, California, United States
Entry level$20.00 – $23.00 an hourScience & researchThe 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…
Microbiology Lab Manager
2 months agoCertified Group · Burbank, California, United States
$100K – $135K a yearScience & researchThe Microbiology Laboratory Manager is responsible for the day-to-day operations of the Burbank Microbiology laboratory, ensuring accurate, compliant, and timely testing for the local and national customer base. Burbank is a GMP-registered facility supporting microbiological…
Senior Analytical Chemist
3 months agoCertified Group · Burbank, California, United States
Senior$32.00 – $45.00 an hourScience & researchWe are currently seeking a Senior Analytical Chemist with a focus on GC analytical testing technique to join our growing team. The Senior Chemist Performs advanced analytical testing of dietary supplement, cosmetic, personal care, and related products using established and…
Analytical Chemist, Vitamin Department
3 months agoCertified Group · Burbank, California, United States
Mid level$30.00 – $35.00 an hourScience & researchWe are currently seeking a Chemist to join our growing team.
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4 months agoCertified Group · Allentown, Pennsylvania, United States +31
RemoteCertified 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,…
Micro Technician
4 months agoCertified Group · Turlock, California, United States
Trades & logisticsPrepare samples for analytical and microbiological testing of food products, ingredients, and environmentals. The role is responsible for the application of approved microbiological techniques and methodologies used in analytical testing.
Quality Assurance Director
4 months agoCertified Group · Burbank, California, United States
Director$150K – $180K a yearEngineeringThe Corporate Quality Director is responsible for the leadership, oversight, and continuous improvement of the Quality Assurance function and Quality Management System (QMS) across Certified Group's Personal Care & Cosmetics division.
General Manager
5 months agoCertified Group · Burbank, California, United States
Executive$180K – $215K a yearCertified Group is seeking a General Manager to lead its Personal Care & Cosmetics laboratory operations in Burbank, CA. This executive-level role carries full responsibility for site operations, financial performance, technical execution, and regulatory compliance.
Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.