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Machine Operator Assistant Jobs in North Liberty, IA

Equipment Operator (Utility)

Cedar Rapids, IA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Operate and maintain heavy equipment, tooling, and related machinery * Secure equipment for ... will assist with CDL training and testing costs * Ability to safely operate and maintain HDD ...

Weekend Production Operator

Marion, IA · On-site

$16.75 - $20.25/hr

... machine operation duties on 3 lines · Record and maintain accurate written and electronic ... entries · Assist in inventory accuracy and quality implementation · Perform sanitation and ...

Forklift Operator - Yard Team

Iowa City, IA · On-site

$16.50 - $19.25/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Operate equipment to load, stack, and retrieve materials and supplies * Assist with aggregate ... Machine Operation * Inventory Management * Material Handling * Leadership * Communication

Able to use Brown & Sharp DCC Coordinate Measuring Machine. * Able to demonstrate understanding of ... to assist in the initial screening of applications submitted through our Workday system. These ...

Forklift Operator - Yard Team

Iowa City, IA · On-site

$16.50 - $19.25/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Operate equipment to load, stack, and retrieve materials and supplies * Assist with aggregate ... Machine Operation * Inventory Management * Material Handling * Leadership * Communication

Able to use Brown & Sharp DCC Coordinate Measuring Machine. * Able to demonstrate understanding of ... to assist in the initial screening of applications submitted through our Workday system. These ...

Mold Setter

Iowa City, IA

$23.50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... * Assist with changeovers between different molds and products, ensuring accurate setup and ... Experience operating production machinery in a manufacturing setting. * Ability to read and ...

Part Time Equipment Operator-Utility

Ely, IA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... * Assist on plant maintenance and repairs as needed * Other mining related duties as required ... Knowledge of machines and tools including their design, use and maintenance Physical Abilities

Maintenance Assistant

Coralville, IA · On-site

$14.75 - $18.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Cleans warehouse floors, offices, break room, and restrooms by operating self-propelled floor scrubbing machinery, and by sweeping, mopping, spraying, and wiping. Follows departmental procedures and ...

Maintenance Assistant

Coralville, IA · On-site

$14.75 - $18.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Cleans warehouse floors, offices, break room, and restrooms by operating self-propelled floor scrubbing machinery, and by sweeping, mopping, spraying, and wiping. Follows departmental procedures and ...

Maintenance Assistant

Coralville, IA · On-site

$14.75 - $18.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Cleans warehouse floors, offices, break room, and restrooms by operating self-propelled floor scrubbing machinery, and by sweeping, mopping, spraying, and wiping. Follows departmental procedures and ...

Showing results 21-40

Machine Operator Assistant information

See North Liberty, IA salary details

$12

$16

$20

How much do machine operator assistant jobs pay per hour?

As of Aug 15, 2026, the average hourly pay for machine operator assistant in North Liberty, IA is $16.88, according to ZipRecruiter salary data. Most workers in this role earn between $14.71 and $17.55 per hour, depending on experience, location, and employer.

What is the difference between Machine Operator Assistant vs Machine Operator?

AspectMachine Operator AssistantMachine Operator
CredentialsHigh school diploma or equivalent; some technical trainingHigh school diploma; technical certifications often preferred
Work EnvironmentAssists in manufacturing or production settings, working alongside machine operatorsOperates machinery directly in manufacturing or industrial environments
Job ResponsibilitiesSupports machine operation, performs basic maintenance, and monitors equipmentControls and manages machinery, ensures quality, and troubleshooting

The Machine Operator Assistant primarily supports and assists the Machine Operator in daily tasks, focusing on preparation and basic maintenance. The Machine Operator takes on the responsibility of running and managing machinery independently. Both roles are essential in manufacturing, but the Machine Operator has more advanced technical duties and decision-making authority.

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

To thrive as a Machine Operator Assistant, you need basic mechanical aptitude, attention to detail, and a high school diploma or equivalent. Familiarity with manufacturing machinery, safety protocols, and the ability to use measuring tools or computer systems is often required. Reliability, effective communication, and the ability to work well in a team are standout soft skills for this role. These skills ensure safe, efficient machine operation and help maintain smooth production processes in manufacturing environments.

What is a machine operator assistant?

Machine Operator Assistants support machine operators by preparing materials, monitoring equipment, and ensuring a smooth production process in manufacturing environments. Their tasks often include loading and unloading materials, cleaning machines, inspecting products for quality, and assisting with machine maintenance. They help maintain efficiency and safety in the workplace and may also document production data or report equipment issues. This role is key for keeping manufacturing lines running smoothly and efficiently.

How much do you get paid as a machine operator assistant?

The average hourly wage for a machine operator assistant typically ranges from $12 to $20, depending on experience, location, and industry. Entry-level positions may pay closer to the lower end, while experienced assistants or those with specialized skills can earn higher wages. Overtime and shift differentials may also increase total compensation.

What are some common challenges faced by a machine operator assistant, and how can they be overcome?

Machine Operator Assistants often encounter challenges such as adapting to fast-paced production environments, ensuring safety compliance, and minimizing machine downtime. To overcome these, it's important to stay attentive to operational protocols, communicate effectively with machine operators and team members, and proactively report any equipment issues. Continuous learning and on-the-job training can also help assistants rapidly build the skills necessary to troubleshoot minor problems and contribute to a smooth workflow.

What are the most commonly searched types of Machine Operator jobs in North Liberty, IA?

The most popular types of Machine Operator jobs in North Liberty, IA are:

What cities near North Liberty, IA are hiring for Machine Operator Assistant jobs?

Cities near North Liberty, IA with the most Machine Operator Assistant job openings:

Infographic showing various Machine Operator Assistant job openings in North Liberty, IA as of August 2026, with employment types broken down into 1% As Needed, 73% Full Time, 23% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $35,113 per year, or $16.9 per hour.

Part Time Equipment Operator-Utility

Martin Marietta

Ely, IA • On-site

Part-time

Re-posted 26 days ago


Martin Marietta Materials rating

7.2

Company rating: 7.2 out of 10

Based on 132 frontline employees who took The Breakroom Quiz

353rd of 540 rated manufacturers


Job description

Job Summary

Martin Marietta is currently looking for energized individuals to join our team at our open pit limestone quarry in our Cedar Rapids Quarry, IA. This position would be responsible for operating a haul truck.

Location

The Cedar Rapids Quarry is more than just a source of aggregate—it is an essential engine for Eastern Iowa’s growth and connectivity. Every ton of limestone extracted fuels the expansion of regional infrastructure, from the revitalization of local commerce to the reinforcement of the neighborhood foundations where we live and work. Martin Marietta’s dedication to environmental stewardship and operational excellence ensures the Cedar Rapids Quarry remains a vital partner in building a durable, high-performing future for the corridor and beyond.

Essential Responsibilities 

  • Responsible for operating a variety of off-road haul trucks and other equipment utilized in mining which could include loaders, skid loaders, etc.  
  • Perform daily inspection of vehicle and work area assigned
  • Observe visual and auditory signals during vehicle operation 
  • Perform routine inspection and preventive maintenance on assigned equipment, clean equipment
  • Assist on plant maintenance and repairs as needed
  • Other mining related duties as required
  • Operating any of our equipment and any daily work assigned

QUALIFICATIONS 

Required Education and Experience:

  • High school diploma, GED or equivalent
  • 1+ years of related experience
  • Valid US driver’s license

Skills:

  • Ability to work with minimal supervision
  • Knowledge of MSHA regulations
  • Effective verbal communication
  • Knowledge of machines and tools including their design, use and maintenance

Physical Abilities 

  • Ability to work in an outdoor environment year-round
  • General physical activities include climbing stairs and ladders, lifting, pushing, pulling, stooping, reach with hands and arms, and handling material

ADDITIONAL INFORMATION

Disclaimer:

In addition to the primary responsibilities outlined, the successful candidate may be expected to take on other tasks and assignments as required, including but not limited to duties outside the typical scope of the role to support overall team operations and organizational needs. Flexibility and adaptability to evolving job demands are essential.


What Martin Marietta Materials employees say

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About Martin Marietta

Sourced by ZipRecruiter

Martin Marietta is an American-based company and a leading supplier of building materials - including aggregates, cement, ready mixed concrete and asphalt.

Industry

Coal, metals and minerals mining

Company size

10,000+ Employees

Headquarters location

Raleigh, NC, US

Year founded

1994