ZipRecruiter

Log In

1

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

medplast

Materials Coordinator I

Upland, CA

$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 ...

Eaton

Machine Shop Operator - 3rd Shift

Santa Ana, CA · On-site

$23.40/hr

The Machine Shop Operator - 3rd Shift role offers a 32.5 hour work week with a $3.00/hour shift ... To request a disability-related reasonable accommodation to assist you in your job search ...

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 ...

previous page

Showing results 41-60

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

Machine Operator Assistant information

See Ontario, CA salary details

$13

$18

$22

How much do machine operator assistant jobs pay per hour?

As of Aug 23, 2026, the average hourly pay for machine operator assistant in Ontario, CA is $18.56, according to ZipRecruiter salary data. Most workers in this role earn between $16.15 and $19.28 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 Ontario, CA?

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

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

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

Machine Operator Assistant jobs near you
Infographic showing various Machine Operator Assistant job openings in Ontario, CA as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 17% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $38,614 per year, or $18.6 per hour.

Machine Operator - 1st, 2nd, and 3rd shifts

Intertape Polymer Group (IPG)

Corona, CA • On-site

$18 - $24/hr

Full-time

Posted 29 days ago

Intertape Polymer Group rating

6.9

Company rating: 6.9 out of 10

Based on 12 frontline employees who took The Breakroom Quiz

75th of 121 rated packaging manufacturers

Job description

Join the IPG Team!
Are you ready to elevate your career? At IPG, we are more than just a global leader in packaging and protective solutions-we are a community that values safety, people, passion, integrity, performance, and teamwork. From tapes and films to packaging and protective products, as well as engineered coated materials and advanced packaging machinery, we develop innovative solutions that protect the world. Now, we are expanding our global team and looking for talented individuals like you!
Position Description
Title: Machine Operator
Department: Production
Immediate Supervisor: Plant Supervisory Staff
Status: HourlyNon-Exempt
Position Purpose: Operates paper mailer equipment
Principle Accountabilities
  • Responsible for safe, controlled set-up, operation, and troubleshooting equipment and processes.
  • Ensure product is manufactured and completed as per technical specifications.
  • Monitors and adjusts controls to ensure products comply with production standards.
  • Ensure equipment and set-up parameters are established, followed and improved.
  • Ensure materials required for changeover are available and secured prior to set-ups.
  • Records quality and production metrics via written/electronic methods and within time deadlines.
  • Ensure accurate inventory and effective control of materials and supplies.
  • Coaching and mentoring assistants by providing clear and precise instructions.
  • Ensure all safety rules and company policies/procedures are followed.
  • Perform quality control checks
  • Ability to read tape measure
  • Must be detailed oriented and have a sense of urgency
  • Use PPE as required
  • Maintain good housekeeping
  • Related tasks as requested by supervisor

Essential Skills and Experience
  • Must have High School Diploma or equivalent.
  • Minimum 2 years of manufacturing experience.
  • No travel required
  • Must be able to work in varying temperatures above 95 degrees Fahrenheit.
  • Ability to repeatedly lift to a maximum of 50 lbs.
  • Must have basic computer skills, AS400, Microsoft Office.
  • Must have basic math skills.

Why Choose IPG?
At IPG, you will find more than just a job-you will find a place where your success is our success. We pride ourselves on a culture built around strong relationships, where every team member plays a crucial role in our growth. Whether it is through cross-department collaboration, continuous training, or sustainability-driven initiatives, we create an environment where you can thrive.
Our commitment to sustainability influences everything we do, from designing eco-friendly products to minimizing waste in our production processes. We are dedicated to building a greener future while providing safe, supportive workplaces for our people.
With over 40 years of industry expertise and a proven track record of growth and innovation, IPG offers a stable, secure environment where you can flourish!
We offer competitive pay, extensive benefits that support you and your family, and exciting career development opportunities. Whether you are looking to enhance your skills or advance your career, we offer ongoing training and the support you need to succeed. Think big, dream bigger, and make an impact with IPG.
You belong here. Join us today!

What Intertape Polymer Group employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

Apply