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Assistant Operator Jobs in Iowa (NOW HIRING)

Grain Millers St. Ansgar

Mill or Packaging Operator

IA · On-site

$17 - $22.50/hr

Assistant Operator Responsibilities * Support Operators in daily tasks and learn the role for future advancement. * Perform sampling and periodic machine checks to ensure consistent product quality ...

Grain Millers

Mill or Packaging Operator

Saint Ansgar, IA · On-site

$17 - $22.50/hr

Assistant Operator Responsibilities * Support Operators in daily tasks and learn the role for future advancement. * Perform sampling and periodic machine checks to ensure consistent product quality ...

Grain Millers

Mill or Packaging Operator

Saint Ansgar, IA · On-site

$17 - $22.50/hr

Assistant Operator Responsibilities * Support Operators in daily tasks and learn the role for future advancement. * Perform sampling and periodic machine checks to ensure consistent product quality ...

Grain Millers

Mill or Packaging Operator

Saint Ansgar, IA · On-site

$17 - $22.50/hr

Assistant Operator Responsibilities * Support Operators in daily tasks and learn the role for future advancement. * Perform sampling and periodic machine checks to ensure consistent product quality ...

Archer Daniels Midland

$28.93 - $31.12/hr

New hires placed directly into an Assistant Operator position must learn and qualify for the Utility position within 9 months. Job Duties * Focus on safety, quality and integrity. * Shift operation ...

Agropur

Whey Utility Operator

Hull, IA · On-site

The Whey Utility Operator I develops and maintains a working knowledge of all whey plant positions to assist with personnel shortages thereby meeting manufacturing requirements in accordance with ...

Agropur Cooperative

Cheese Utility Operator

Hull, IA · On-site

The Cheese Utility Operator I develops and maintains a working knowledge of all plant positions to assist with personnel shortages thereby meeting manufacturing requirements in accordance with ...

Agropur Cooperative

Whey Utility Operator

Hull, IA · On-site

The Whey Utility Operator I develops and maintains a working knowledge of all whey plant positions to assist with personnel shortages thereby meeting manufacturing requirements in accordance with ...

Agropur

Cheese Utility Operator

Hull, IA · On-site

The Cheese Utility Operator I develops and maintains a working knowledge of all plant positions to assist with personnel shortages thereby meeting manufacturing requirements in accordance with ...

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All JobsOperator JobsAssistant Operator JobsAssistant Operator Jobs in Iowa

Assistant Operator information

See Iowa salary details

$10

$18

$28

How much do assistant operator jobs pay per hour?

As of Aug 10, 2026, the average hourly pay for assistant operator in Iowa is $18.61, according to ZipRecruiter salary data. Most workers in this role earn between $14.47 and $21.01 per hour, depending on experience, location, and employer.

What are some common challenges assistant operators face during shift changes, and how can they be managed effectively?

Assistant Operators often encounter challenges during shift changes, such as incomplete handovers or miscommunication about ongoing tasks. To manage these effectively, it’s important to follow standardized handover procedures, maintain accurate and up-to-date logs, and communicate proactively with both outgoing and incoming team members. Building strong teamwork and attention to detail helps ensure a smooth transition and minimizes operational disruptions.

Which assistant operator job pays the most?

The highest-paying assistant operator roles are often found in industries such as oil and gas, manufacturing, or power generation, where specialized skills and certifications like OSHA training or technical licenses are required. Salaries can vary based on experience, location, and industry, with some positions offering higher compensation due to the complexity of equipment or hazardous environments.

What are the key skills and qualifications needed to thrive as an assistant operator, and why are they important?

To thrive as an Assistant Operator, you need a basic understanding of machinery operation, safety protocols, and often a high school diploma or equivalent. Familiarity with industrial equipment, control panels, and sometimes certifications like OSHA safety training are typically required. Attention to detail, reliability, and good teamwork skills help you excel in supporting smooth operations. These skills ensure safe, efficient production processes and help maintain workplace safety and productivity.

What is the difference between Assistant Operator vs Machine Operator?

AspectAssistant OperatorMachine Operator
CredentialsHigh school diploma, on-the-job trainingHigh school diploma, technical certification often preferred
Work EnvironmentAssists in setup, monitoring, and maintenance of machineryOperates machinery directly, responsible for production output
Industry UsageCommon in manufacturing, construction, and industrial plantsPrimarily in manufacturing, processing, and production facilities

Assistant Operators support Machine Operators by preparing equipment and monitoring processes, while Machine Operators handle the direct operation of machinery. Both roles require similar credentials and are vital in industrial settings, but Machine Operators have more responsibility for operating equipment independently.

What is an assistant operator?

Assistant Operators are entry-level professionals who support the operation of machinery or equipment in industries such as manufacturing, energy, or logistics. They work under the supervision of senior operators to help monitor processes, perform basic maintenance, and ensure safety protocols are followed. Their responsibilities may include setting up machines, loading materials, inspecting products, and reporting any issues to supervisors. Assistant Operators play a key role in maintaining efficient production and minimizing downtime. This position is often a stepping stone to more advanced operator roles.
What are the most commonly searched types of Operator jobs in Iowa? The most popular types of Operator jobs in Iowa are:
What cities in Iowa are hiring for Assistant Operator jobs? Cities in Iowa with the most Assistant Operator job openings:
Assistant Operator jobs near you
Infographic showing various Assistant Operator job openings in Iowa as of August 2026, with employment types broken down into 1% As Needed, 75% Full Time, 21% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $38,718 per year, or $18.6 per hour.

Mill or Packaging Operator

Grain Millers St. Ansgar

IA • On-site

$17 - $22.50/hr

Full-time

Re-posted 27 days ago

Job description

These positions work 4 On 4 Off Overnights from either 6:00 PM to 6:30 AM or 7:00 PM to 7:30 AM, or 4 On 4 Off Days from either 6:00 AM to 6:30 PM or 7:00 AM to 7:30 PM.
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.
Who We Are
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.
What We're Looking For
Our flagship U.S. mill in St. Ansgar, Iowa is growing! Due to internal promotions, facility expansion, and team movement, we are anticipating multiple night and day shift operator and assistant operator positions coming available.
  • Operator Responsibilities
    • Operate and monitor computer-based systems and PLC controls to manage 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.
    Assistant Operator Responsibilities
    • 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.
Why You'll Love Working Here
  • 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!

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