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Laboratory Technician

Agropur · Wisconsin Weyauwega, WI · Full time

Posted Sep 17, 2026 · We last checked this listing on Oct 6, 2026

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Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Tell me about a time you caught a mistake in your own records or test data. What did you do about it?

What they are checking: Honesty about errors, since bad lab records in food safety can lead to recalls and failed audits.

This role works 3 PM to 3 AM on a 2-2-3 rotation. How have you handled long shifts and rotating weekends before?

What they are checking: Whether they have a realistic plan for the schedule, because turnover on twelve-hour rotations is a real cost.

Describe a time you had to follow a written procedure exactly even though you thought there was a faster way.

What they are checking: Respect for SOPs in a regulated lab, and whether they raise ideas through the right channel.

What would you do

You get a result on finished cheese that is just outside spec at 2 AM. What do you do next?

What they are checking: Whether they retest, document and escalate on a night shift instead of quietly passing product or panicking.

Production is pushing you to release a batch before your micro results are back. How do you handle that conversation?

What they are checking: Whether they can hold a food safety line politely under pressure from people who outrank them.

What would you do if you suspected a coworker on the previous shift had skipped a required test but signed it off?

What they are checking: Integrity and willingness to report a record problem that could put food safety and the plant's certification at risk.

About the work

Walk me through how you would run a standard plate count or coliform test on a raw milk sample, from sampling to reading the plate.

What they are checking: Whether they actually know aseptic technique and incubation basics or have only read about microbiology testing.

What chemical and physical tests have you run on dairy or food products, like fat, moisture, salt or pH, and which method did you use for each?

What they are checking: How much hands-on bench chemistry they bring, so the plant knows how much training they will need.

How do you know a piece of lab equipment like a balance or pH meter is giving you a number you can trust?

What they are checking: Whether they understand calibration checks and verification as daily habits, not something someone else handles.

How do you keep samples straight when raw materials, in-process and finished product samples are all coming in at once?

What they are checking: Their system for labeling and chain of custody, since a mixed-up sample makes every result worthless.

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The full job description

As published by Agropur.

Job Type: RegularThe Laboratory Technician I is responsible for supporting production and quality control by performing a variety of microbiological, chemical, and physical tests on raw materials, in-process products, and finished products. The role ensures that products meet internal and external standards for food safety and quality, while also maintaining accurate records of testing data and ensuring that laboratory equipment is properly calibrated and maintained. People are at the heart of our success. Our culture encourages collaboration, transparency, and accountability in order to generate value and achieve sustainable results. Being part of the team means committing to an environment where everyone’s impact truly matters. We believe that teamwork—collaborating and sharing perspectives—is essential to achieving the best results. An environment where collaboration is encouraged and valued: • Starting Wage $24.73 • 3 PM - 3 AM | 2,2,3 • Two pay increases within a year, up to $1.00 • Benefits: Medical, Dental, Vision, Life, Short and Long-term Disability Insurance • 401(k) with up to 7% company contributions • PTO starting Day 1 • Paid holidays and 2 floating holidays • Advancement Opportunities • Tuition Reimbursement Program • Employee Discounts • Uniform Program + Shoe Allowance Your key responsibilities: • Perform chemical and microbiological testing on raw materials, in-process, and finished products according to standard operating procedures. • Ensure sample receipt, distribution and analysis is completed as required. Communicate product needs when appropriate. • Operate, calibrate, clean, and maintain laboratory equipment and ensure that it meets all quality control standards. • Accurately document testing results in log books, spreadsheets, and laboratory management software. • Support the implementation of GMPs, GLPs, HACCP/FSP, and other regulatory requirements related to quality and food safety. • Assist with root cause analysis for non-conformances and participate in the corrective and preventive actions process. • Conduct daily pre-operational evaluations of processing areas and equipment, ensuring compliance with Good Laboratory Practices (GLP). • Work closely with the production team to resolve quality issues and ensure product consistency. • Participate in internal audits and ensure non-conformance solutions are executed. • Troubleshoot issues with laboratory equipment and work with supervisors to address operational concerns. • Provide support for customer and third-party audits by ensuring documentation and testing results are up to date. • Understand and adhere to Good Manufacturing Practices and Good Laboratory Practices. • Safety Protocol • Stop any observed unsafe acts and obey facility safety rules and procedures. • Correct or report any observed safety hazards. • Support safety policies and programs. This list of duties and responsibilities is not all-inclusive and may be expanded to include other duties and responsibilities, as management may deem necessary from time to time. The individual who will own this role: • High School Diploma or equivalent required. • Associate’s Degree in Food Science, Chemistry, Microbiology, or related field preferred. • Equivalent combination of education and/or experience may be considered. • No experience required; on the job training provided. • Experience with both metric and standard systems of measurement required. • Strong attention to detail and accuracy in testing and data recording. • Ability to read and understand SOPs, GLP, GMP, GLPS, HACCP, and related documentation. • Strong problem-solving and analytical skills with the ability to work in a fast-paced environment. • Communicate effectively both verbally and in writing with supervisors/managers, colleagues and individuals inside and outside the organization. • Basic math plus fractions, decimals and percentages, as well as algebraic calculations. • Intermediate computer skills with Microsoft Excel, Word, Outlook and field-specific software. • Exhibit a professional manner in dealing with others and work to maintain constructive working relationships. A role for those who know that the best results are built through teamwork. Agropur welcomes people from all backgrounds and origins. We are proud to be an employer with a diverse community and are committed to providing a respectful and inclusive experience for all employees and applicants. We will work with candidates who request accommodation. Please note that an adequate knowledge of French is required for positions in Quebec. Agropur uses artificial intelligence technology to assist our recruiters in screening, assessing, or selecting applicants for this position. In this text, the use of the masculine gender to designate persons is intended only to lighten the text.

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