Operator​/Assistant Operator

Why Grain Millers?

At Grain Millers, we believe work should be more than a job – it should be a place where you feel valued, supported, and part of something bigger. Being part of our team centers on stability, growth, and purpose
. We offer competitive pay, excellent benefits, and opportunities to learn and advance in a collaborative environment. When you join us, you're not just operating equipment – you're helping create ingredients that feed millions of people worldwide.

Grain Millers, Inc. is a leading manufacturer and merchandiser of whole grain ingredients used in food products served around the globe. While you may not know our name, you've likely enjoyed our products. For over 38 years, we've partnered with some of the world's largest food companies. As one of the largest conventional and organic oat millers in North America, we pride ourselves on being more than an ingredient supplier – we’re a proactive partner committed to doing what's right.

Our flagship U.S. mill in St. Ansgar, Iowa is growing! Due to internal promotions, facility expansion, and team movement, we have multiple night shift operator and assistant operator positions available.

• Operate and monitor computer-based systems and PLC controls to manage milling equipment.
• Perform routine equipment checks and troubleshoot issues to maintain production efficiency.
• Conduct quality assurance tests to ensure products meet customer specifications.
• Maintain accurate production records and follow strict food safety standards.
• Work in a fast‑paced environment with state-of-the-art technology.

• Support Operators in daily tasks and learn the role for future advancement.
• Perform sampling and periodic machine checks to ensure consistent product quality.
• Assist with material handling and equipment setup.
• Collaborate with team members to maintain smooth operations and meet production goals.

• Competitive pay with shift premiums.
• Opportunities for advancement and skill development.
• Work with cutting‑edge technology in one of North America's most advanced oat mills.
• Be part of a company that values integrity, collaboration, and doing what's right.

All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of disability or protected veteran status.

Ready to make a change? Apply today – we'd love to connect with you!