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Miller

Company:
Aztalan Bio LLC
Location:
Johnson Creek, WI, 53038
Posted:
November 03, 2025
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Description:

Who is Aztalan Bio?

Aztalan Bio, a ClonBio Group company, operates in the village of Aztalan-just outside Jefferson, WI-after ClonBio acquired Wisconsin's largest ethanol plant in 2022. The facility processes up to 40 million bushels of locally grown feed corn each year, producing corn oil, ethanol, corn germ, bran, and distillers' grains. These outputs support a wide range of markets including food production, animal nutrition, and renewable energy.

Aztalan's sister facility, Pannonia Bio in Hungary, is one of the most technologically advanced grain biorefineries in the world. Over the coming years, Aztalan will undergo a similar transformation, investing hundreds of millions of dollars to create a next generation biorefinery tailored to Wisconsin's agricultural strengths.

Owned by the family-run ClonBio Group, Aztalan Bio benefits from a long-term vision centered on innovation and people. Our internal team of engineers and scientists-spanning 23 countries and 5 continents-is a key reason ClonBio's facilities are global leaders in biorefining technology. Join us as we continue building something extraordinary in the heart of Wisconsin.

Position Overview

The Miller oversees the daily operation of the fractionation plant. Working a 12-hour rotating shift schedule while maintaining a safe work environment. Monitors and maintains production quality and equipment, while supporting the policies, goals, and objectives of the Company.

Duties and Responsibilities

Monitor the operation of the Mill to ensure requested quality and quantity produced.

Anticipate and solve problems in a timely manner and identify opportunities for improvement.

Troubleshoot, anticipate and correct problems associated with plant operations. May need to inspect different areas of the plant to locate problems.

Perform minor repairs to prevent damage to milling equipment.

Use visual analysis and test results to monitor all the product streams, ensuring a consistent and quality product output.

Document process variables, sample data and routine tasks as required for position, to ensure mill operations are maintained within operating parameters.

Monitor use and inventories of supplies.

Communicate with the lab to anticipate or remedy any problems to ensure the highest quality and optimize the facility's efficiency.

Communicate with management and the maintenance department to anticipate or fix problems in a timely manner. Prepare equipment to ensure it is safe for maintenance/contractors to perform scheduled work.

Handle chemicals according to the MSDS safety sheets.

Cross train with other operators to assure adequate coverage during unexpected interruptions in the plant.

Participate in projects that improve efficiency and/or reduce operating costs.

Perform scheduled Operations Work Requests as requested by Supervisor or Plant Management.

Participate in safety, health, and environmental programs (LOTO-lock out tag out, Safe Work Permit, FSMA-Food Safety Modernization Act). Participate in programs and procedures required to ensure safe work practices and plant cleanliness.

Perform other duties as assigned to maintain a safe, reliable, and consistent operation.

Qualifications

High School Diploma or GED required.

1-2 years milling experience.

Associate degree in Milling Technology or equivalent is preferred.

Experience in a grain handling facility preferred.

Able to read, understand and follow standard operating procedures for operation of plant and associated equipment.

Basic computer operation and data entry skills.

Excellent communication, time management, multi-tasking, and problem skills.

Strong attention to detail.

Schedule:

2-2-3 (Two on, two off, three on, two off, two on, three off)

Every other weekend is required

Hours rotate every six weeks between days and nights

5:45am-6:00pm for six weeks then 5:45pm-6:00am for six weeks

Aztalan Bio, LLC is an equal-opportunity employer committed to diversity and inclusion in the workplace. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability status, protected veterans status, or any other characteristic protected by federal, state, or local laws and will not be discriminated against.

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