Demo

Lead Lab Tech

Red Star Yeast Company LLC
Rapids, IA Full Time
POSTED ON 10/24/2026
AVAILABLE BEFORE 11/21/2026
Who we are:

Lesaffre is a key global player in the fermentation of microorganisms (yeasts and bacteria) for baking, taste, healthcare and industrial biotechnology. This story began more than 170 years ago in northern France, and, thanks to our pioneer spirit and our innovative approach, we are constantly developing.

Lesaffre's global presence includes 11,000 employees from 96 nationalities and a 3-billion euro turnover. We work with customers, partners and researchers to develop essential nutrients and bio actives that strengthen human health, optimize animal well-being and improve plant nutrition.

This role is within our Red Star Yeast team. Red Star delivers a range of high-performing yeast and related products that empower bakers and food manufacturers to create consistent, flavorful, and high-quality baked goods. Backed by Lesaffre and Archer Daniels Midland and supported by modern manufacturing facilities in Cedar Rapids, IA and Dothan, AL, our team blends global expertise with local reliability to bring trusted, innovative yeast solutions to the U.S. and Canadian markets.

What we offer:

  • Day one healthcare coverage (Medical, Dental, & Vision)
  • 401k with 4% match & additional discretionary employer contribution
  • 11 paid holidays
  • 80 hours of vacation time and 48 hours of sick time annually
  • Life insurance, AD&D, Employee Assistance Program, Short-Term Disability, Long-Term Disability, and more!


What you bring to the table:

In this role, you'll conduct chemical and physical analysis of raw materials and yeast. You will also conduct microbiological analysis on products that are in-process and products that have already been finished. You'll interact with other departments within the company to obtain samples, explain needed maintenance, or request supplies from outside the laboratory.

What you’ll do as a Lead Lab Tech:

  • Demonstrates an unwavering commitment to Lesaffre's safety-first culture by strictly following all safety protocols and participating in required safety programs
  • Coordinate and lead Laboratory activities on the weekends including; reviewing data, requesting re-tests, ensuring clearances are completed in a timely manner, and special testing
  • Serve as a point of contact for issues requiring troubleshooting this might include, equipment maintenance and OOS Results
  • Conducts microbiological analysis of samples and preparation of pure culture yeast for use in fermentations.
  • Conducts test including nitrogen, phosphorus, pH, color, percentage of Buds, dry matters, sugar, brix, following written procedures, calculating results and recording in appropriate logbooks.
  • Conducts chemical and physical analysis of raw materials and yeast, both in-process and finished product.
  • Tests yeast for activity using Risograph.
  • Follows written procedures to conduct tests on various types of dough using different yeast lots or types.
  • Maintains equipment and general work area including the following: cleaning and calibration of equipment, keeping records of maintenance performed, ensuring equipment is working properly, keeping work area clean and orderly.
  • Responsible for proper use and maintenance of lab equipment and supplies including: analytical balance, centrifuge, mixer, drying oven, pH meter, color meter, stir plate, lab ware, Risograph, spectrophotometer, distillation unit, mineralization units, fume hood, chemicals, incubator, water bath, thermometers, titrators, YSI 2700D, LECO and Elementar.
  • Prepares chemical solutions for processing areas.
  • Ensures that processing area is stocked with supply of needed solutions; prepares these solutions.
  • Performs tests accurately and consistently, following procedures and performing tests in the same way each day to provide accurate results.
  • Completion of bi-annual proficiency tests.
  • Run repeat analysis if unsure of or have unusual results
  • Other duties as assigned


Required qualifications:  

  • Associate degree in Microbiology, Chemistry, Food Science or related field required
  • Bachelor's degree or 2 years of chemistry related lab experience preferred
  • Computer knowledge is helpful especially with Microsoft 365
  • Ability to prioritize and organize tasks during the day
  • Ability to make decisions about repeat tests independently
  • Able to follow written procedures, be organized, precise, observant, efficient, and capable of working with minimal supervision
  • Must be able to perform several tasks simultaneously while maintaining accurate timing and procedures for each task
  • Ability to lead a team and provide guidance for coworkers
  • Must be detail oriented and safety minded


Lesaffre provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.

Salary.com Estimation for Lead Lab Tech in Rapids, IA
$65,486 to $87,956
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