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Lab Supervisor

Job in Stockton, San Joaquin County, California, 95202, USA
Listing for: Diamond Foods, LLC
Full Time position
Listed on 2026-09-22
Job specializations:
  • Quality Assurance - QA/QC
    Quality Control - QC Analysts/Managers
Salary/Wage Range or Industry Benchmark: 80000 - 95000 USD Yearly USD 80000.00 95000.00 YEAR
Job Description & How to Apply Below

Since 1912, when it was started by a group of California walnut growers, Diamond of California® was on a mission to bring the bounty from California’s Central Valley walnut orchards to America’s tables.

From the beginning, we sought out the very best with the knowledge that Diamond Nuts would be used in treasured and new family recipes.

Today, we bring a wider range of nuts from our growers and farms to tables worldwide. Now almost 110 years later, we are still guided by our belief that Diamond Nuts are Made for Homemade.

Along with our sister company (National Pecan), Diamond of California is part of Diamond Foods, LLC, headquartered in Stockton, California.

Diamond Foods is now owned by Blue Road Capital, a private equity firm based in New York, which is focused on holdings in the agricultural space.

With the support of Blue Road Capital, Diamond of California is during a major transformation to create a modern growth brand participating the growing consumer desire to incorporate more plant-based products in their diets, for reasons including health and wellness, taste, texture, and variety.

POSITION OVERVIEW:

The Laboratory Supervisor supervises, coordinates, and monitors all activities conducted in the Diamond Foods Chemistry and Microbiology laboratories and satellite labs.

This position works collaboratively with multiple cross-functional teams including but not limited to production scheduling, operations, sales, customer service, and quality.

DUTIES AND RESPONSIBILITIES:
  • Oversees technicians and daily lab operations.

    Manages the workflow.
  • Creates schedules and monitors employee productivity.

    Works with Sr. Director of Food Safety and Quality to develop, implement, and evaluate goals, objectives, policies, and procedures.
  • Has detailed working knowledge of instruments and equipment in the lab.
  • Shall have detailed familiarity with all laboratory and quality control tasks, functions, programs, specifications, and required skills.

    May be required to perform stated tasks if necessary.
  • Monitors and enforces laboratory and plant safety conditions, Good Laboratory Practices, Good Manufacturing Practices, and instructs and advises personnel in appropriate measures.
  • Maintain inventory and purchases supplies for the laboratory and quality control as needed.

    Assures the purchases of supplies are at the best prices to remain within budget.
  • Monitors laboratory and quality control instruments and equipment conditions and schedules necessary maintenance and repairs.
  • Maintain current industry knowledge of analytical, microbiological, physical, and other associated fields.
  • Provide technical training and skills development as needed for work assignments.
  • Oversees technicians and assist to perform routine microbiological analyses: S almonella , Listeria, Staphylococcus, coliform s and

    E. coli , total plate counts, yeast and mold counts. Also specialized analyses as requested or for method development.
  • Responsible for owning the Pathogenic Environmental Monitoring Program including areas to be swabbed, frequency, corrective action, and communication with the operations and sanitation teams.
  • Oversees technicians and assist to perform routine chemical analyses:
    Free Fatty Acid (FFA) Titration,
  • Ensures all data is recorded and maintained to ISO standards
  • Perform product releases for shipments and issues “HOLDS” and “RELEASES”.Able to disposition product in accordance with food safety and quality standards.
  • Responsible for creating and distributing quality shipment documents such as COAs, Aflatoxin Certs, etc. and interfacing with the customer service department in order to ensure end-use customers receive all requirements in a timely manner.
  • Assures safety of all technicians in the laboratory.
  • Maintains a clean and neat work…
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