The J.R. Simplot Company is a diverse, privately held organization, with roots firmly planted in agriculture and agriculture-related businesses. The J.R. Simplot Company is a true farm-to-table company with operations that touch every aspect of agriculture, including seed production, farming and ranching, plant sciences, fertilizer manufacturing, food processing, commercial product development, and distribution.


This role maintains operations within the Microbiology laboratory contributing to Simplot's Food Safety program. This includes microbial analyses of food products, shelf-life research projects, laboratory expenses, analytical instrument maintenance, and inventory control of supplies. Responsible for assisting in the maintenance of ISO 17025 accreditation. Participates in proficiency test programs by accredited organizations. Executes internal audits at plant microbiology labs following company-established standards, prepares audit reports, makes recommendations for improvement of factory food quality systems, and troubleshoots production processes when required. Provides daily Microbiological testing support to Plant Operations. Conducts research and validation of new technologies to be implemented.

Key Responsibilities

  • Maintain daily laboratory operations by conducting microbiological testing on food products and environmental samples in support of Simplot factories and general laboratory duties (preparing media, cleaning, supply inventory, and processing of biohazardous waste) following all good laboratory practices.
  • Obtains process/water/product/swab samples from various plant production areas.  
  • Conduct Allergen testing to support Gluten, Soy, and milk-free claims for applicable Simplot factories.
  • Conduct challenge studies and shelf-life studies for new or existing food products. Generates a final report of the study that details methods, procedures, results, and conclusions.
  • ISO 17025 requirements: Maintains standard requirements for ISO 17025 accreditation by working within the requirements of the Laboratory Quality Management System.
  • Participates in accredited laboratory proficiency test programs and collaborative studies. Maintains satisfactory z-scores in quarterly proficiency testing.
  • Maintain and repair laboratory equipment. Coordinates calibration services with third-party companies as needed.
  • Completes data entry into the laboratory quality assurance systems (MLA and MMS).
  • Updates and revises in-house microbiology SOPs, when applicable.
  • Act as a lead trainer to microbiology technicians. Presents training modules to factory plant personnel on microbiology and environmental program procedures.
  • Responds to internal customer’s inquiries regarding micro test sampling schedule, test results, corrective actions, and product release issues.
  • Assigned as a factory microbiologist representative, will support four Simplot microbiology factories.
  • Conduct audits at Simplot Factory Microbiology Labs to ensure the laboratories are following the company standards.
  • Required to work in a Biosafety Level II (agents that pose moderate hazards to personnel and the environment.)
  • Required to work some weekends (about 1 every 4 weeks).
  • Available to travel to Simplot plants or other locations for work assignments of short duration.
  • Be able to lift up to 30 lbs., climb steep stairs, work in hot/cold environments.

Typical Education

Bachelor of Science Degree required (Microbiology preferred).

Relevant Experience

  • Four years of laboratory experience preferred.
  • Highly skilled in scientific procedures/lab safety and detail oriented.  
  • Must have knowledge of food microbiology, food chemistry, and/or food processing.
  • LIMS (Laboratory Information Systems) experience and/or knowledge.
  • Knowledge of Microsoft Office Suite software, specifically Excel, Word, and PowerPoint.
  • Knowledge of laboratory audit standards and QA/QC programs.
  • Knowledge of technical writing.
  • Knowledge of ISO 17025 - General requirements for the competence of testing and calibration laboratories.

Job Requisition ID: 18180

Travel Required: None

Location(s): FG Tech Center R&D - Caldwell 

Country: United States

**The J.R. Simplot Company is proud to be an Equal Opportunity Employer and will consider all qualified applicants for employment without regard to race, color, religion, national origin, ancestry, age, sex, gender, gender identity, gender expression, genetic information, physical or mental disability, medical condition, sexual orientation, military or veteran status, marital status, or any other protected status. **