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Machine Operator Assistant Jobs in Fontana, CA (NOW HIRING)

VOLT

2nd shift - Swiss Screw Machine Operator

La Verne, CA · On-site

$28 - $35/hr

As a Swiss Screw Machine Operator you will: Day to Day Responsibilities * Set up and operate screw ... If you are an individual with a disability and need a reasonable accommodation to assist with your ...

Amcor

Machine Operator I - Hiring Event

Chino, CA · On-site

$21/hr

Summary: The Machine Operator is responsible for operating winders, adjusting, and packaging ... Maintain thorough knowledge of all processes and equipment. * Assist in Training Packers. * Assist ...

One Stop Label Corporation

Pressman Assistant

Ontario, CA · On-site

$17.25 - $18/hr

... the Press Operators by supplying all machines with the appropriate raw materials and tooling ... The Press Operator Assistant reports to the following persons; Press Operators, Production Manager ...

One Stop Label Corporation

Pressman Assistant

Ontario, CA · On-site

$17.25 - $18/hr

... the Press Operators by supplying all machines with the appropriate raw materials and tooling ... The Press Operator Assistant reports to the following persons; Press Operators, Production Manager ...

One Stop Label Corporation

Pressman Assistant

Ontario, CA · On-site

$17.25 - $18/hr

... the Press Operators by supplying all machines with the appropriate raw materials and tooling ... The Press Operator Assistant reports to the following persons; Press Operators, Production Manager ...

medplast

Materials Coordinator I

Upland, CA · On-site

$18 - $20/hr

May be called upon to assist as machine operator. * Assist Machine Operators 3 and 4 in addressing machine issues. * Perform RMB audits as requested by supervisor or manager. * Perform weekly ...

Viant

Materials Coordinator I

Upland, CA · On-site

$18 - $20/hr

May be called upon to assist as machine operator. * Assist Machine Operators 3 and 4 in addressing machine issues. * Perform RMB audits as requested by supervisor or manager. * Perform weekly ...

medplast

Materials Coordinator I

Upland, CA · On-site

$18 - $20/hr

May be called upon to assist as machine operator. * Assist Machine Operators 3 and 4 in addressing machine issues. * Perform RMB audits as requested by supervisor or manager. * Perform weekly ...

medplast

Materials Coordinator I

Upland, CA · On-site

$18 - $20/hr

May be called upon to assist as machine operator. * Assist Machine Operators 3 and 4 in addressing machine issues. * Perform RMB audits as requested by supervisor or manager. * Perform weekly ...

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Showing results 21-40

All JobsMachine Operator JobsMachine Operator Assistant JobsMachine Operator Assistant Jobs in Fontana, CA

Machine Operator Assistant information

See Fontana, CA salary details

$13

$18

$22

How much do machine operator assistant jobs pay per hour?

As of Sep 3, 2026, the average hourly pay for machine operator assistant in Fontana, CA is $18.80, according to ZipRecruiter salary data. Most workers in this role earn between $16.39 and $19.57 per hour, depending on experience, location, and employer.

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.

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 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 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.

How to become a machine operator assistant with no experience?

To become a machine operator assistant with no experience, start by gaining basic knowledge of manufacturing processes and safety procedures through online courses or training programs. Entry-level positions often require a high school diploma or equivalent, and on-the-job training is provided to learn equipment operation and maintenance. Developing skills in attention to detail, manual dexterity, and understanding of tools can improve your chances of securing a position.

What are the most commonly searched types of Machine Operator jobs in Fontana, CA?

The most popular types of Machine Operator jobs in Fontana, CA are:

What cities near Fontana, CA are hiring for Machine Operator Assistant jobs?

Cities near Fontana, CA with the most Machine Operator Assistant job openings:

Machine Operator Assistant jobs near you
Infographic showing various Machine Operator Assistant job openings in Fontana, CA 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 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $39,111 per year, or $18.8 per hour.

Assistant Operator 2nd Shift

THE NEW-INDY GROUP

Ontario, CA • On-site

$22 - $24/hr

Other

Re-posted 23 days ago

Job description

SUMMARY: Responsible for the set up and operation of machines in designated department.
ESSENTIAL DUTIES AND RESPONSIBILITIES
  • Set up & Operation of various machines
  • Run material through machine according to company specifications
  • Ensure correct materials are used to meet customer specifications.
  • Ensure all inventory entries are complete and accurate.
  • Inspect and maintain quality of product.
  • Responsible for meeting all quality and efficiency standards.
  • Meet all company safety policies and report any concerns related to required maintenance of machines.
  • Assist in two man feeds as necessary.
  • Duties may be expanded upon and additional duties may be assigned.

SKILLS AND QUALIFICATIONS
  • Manufacturing experience in the corrugated industry preferred.
  • Must be 18 years of age.
  • Ability to work a flexible schedule
  • Ability to read a tape measure with speed and accuracy.
  • Ability to work in a fast paced environment.
  • Knowledge equipment design and capabilities that can be translated into efficient operation.
  • Read and interpret product layout and production specifications.

PHYSICAL DEMANDS
    • Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
    • While performing the duties of this job, the employee is regularly required to stand, walk, sit and use hands to handle or feel.
    • The employee frequently is required to talk or hear.
    • The employee is occasionally required to reach with hands and arms.
    • The employee must regularly lift and/or move up to 50 pounds and occasionally lift and/or move up to 100 pounds.
    • Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception, and ability to adjust focus.
    • Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

WORK ENVIRONMENT
  • The employee is regularly exposed to moving mechanical parts.
  • Exposure to wet and humid conditions.
  • Exposure to high, precarious places; fumes or airborne particles; and vibration.
  • Noise level in the work environment is usually loud.

CERTIFICATES, LICENSES, REGISTRATIONS
  • This position does not require a certificate, license, or registration.

OTHER DUTIES
Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.

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