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Jobs at Certified Group
70 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.
21–40 of 70 jobs
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.
Part Time Pathology Lab Tech
3 weeks agoCertified Group · Springdale, Arkansas, United States
Part-timeHealthcarePrepare 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.
Micro Lab Tech
3 weeks agoCertified Group · Amarillo, Texas, United States
From $17.00 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.
Micro Lab Tech
3 weeks agoCertified Group · Amarillo, Texas, United States
From $17.00 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.
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…
Lab Analyst
3 weeks agoCertified Group · Allentown, Pennsylvania, United States
Mid level$22.00 an hourScience & researchPerform analytical and microbiological testing of food products, ingredients, and environmentals. The position performs the application and evaluation of approved microbiological techniques and methodologies.
Micro Lab Tech
4 weeks agoCertified Group · Green Bay, Wisconsin, United States
$19.50 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.
Microbiology Lab Supervisor
4 weeks agoCertified Group · Dodge City, Kansas, United States
Manager$55K – $65K a yearScience & researchThe Microbiology Lab Supervisor provides frontline leadership and oversees the daily execution of laboratory operations. This hands-on role ensures accurate, compliant, and timely testing across Microbiology.
Courier (3rd Shift)
5 weeks agoCertified Group · Greeley, Colorado, United States
Mid level$19.50 an hourTrades & logisticsThe Courier I is responsible for the safe, efficient, and timely pick-up and delivery of food and environmental samples to and from laboratory testing facilities. This role plays an important part in maintaining sample integrity and supporting laboratory operations.
R&D Scientist
5 weeks agoCertified Group · Greensboro, North Carolina, United States
SeniorScience & researchThe R&D Scientist is responsible for day-to-day supervision of the companies' chemistry R&D program and resources. This includes both internal and client initiated development activities.
Toxicology Lab Tech
5 weeks agoCertified Group · Kitchener, Ontario, Canada
Science & researchThe Toxicology Lab Technician I supports the analytical testing of nicotine, tobacco, cannabis, hemp-derived, and other consumer products to identify and quantify toxicants, contaminants, and related compounds. This role performs sample preparation, analytical testing,…
Courier
5 weeks agoCertified Group · Columbus, Ohio, United States
Mid levelFrom $19.00 an hourTrades & logisticsThe Courier I is responsible for the safe, efficient, and timely pick-up and delivery of food and environmental samples to and from laboratory testing facilities. This role plays an important part in maintaining sample integrity and supporting laboratory operations.
General Laborer/Sanitation
6 weeks agoCertified Group · Omaha, Nebraska, United States
$19.00 an hourTrades & logisticsThe Lab Assistant within the Media Department is responsible for preparing, sterilizing, and organizing media and reagents essential to analytical and microbiological testing of food products, ingredients, and environmental samples. This role ensures the availability of…
Lab Analyst
6 weeks agoCertified Group · Kitchener, Ontario, Canada
CA$23.00 – CA$24.00 an hourScience & researchReporting directly to the Supervisor Analysts and Manager, Analytical, the Analyst conducts routine sample analysis as part of the team accountable for the generation of analytical results. This includes running samples, operation and maintenance of analytical equipment,…
Chemistry Lab Tech 1- Sample Preparation
6 weeks agoCertified Group · Kitchener, Ontario, Canada
Entry levelCA$20.00 an hourScience & researchPreparing samples for extraction by:; Labelling glassware appropriately; Correct solution preparation as per test methods and applicable SOPs; Ensuring impingers are filled or solutions are ready prior to sample generation; Verifying correct solvents to be used and volume by…
Lab Supply Specialist
6 weeks agoCertified Group · Green Bay, Wisconsin, United States
Entry level$18.50 an hourScience & researchCoordinate the activities involved in procuring and maintaining records of material, equipment, merchandise, or supplies.
Lab Analyst
7 weeks agoCertified Group · Grand Island, Nebraska, United States
Mid levelScience & researchPerform analytical and microbiological testing of food products, ingredients, and environmentals. The position performs the application and evaluation of approved microbiological techniques and methodologies.
Lab Manager
7 weeks agoCertified Group · Grand Island, Nebraska, United States
SeniorScience & researchThe Lab Manager is responsible for the day-to-day leadership and operational oversight of a microbiological and/or chemical laboratory within a single site, ensuring accurate, compliant, and high-quality testing services for the local customer base. This role is accountable for…
Micro Lab Tech
7 weeks agoCertified Group · Grand Island, Nebraska, United States
Science & 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.
Updated 06 Nov 2026 09:37 UTC from the OptiTalent job library.