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

Castle Metals

2nd Shift Machine Operator

Paramount, CA · On-site

$23 - $26/hr

Description Position at Banner Industries The Machine Operator is responsible for the setup ... May also inspect products against customer specifications and assist with other warehouse ...

DIRECT STAFFING LLC

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Machine Operator Cherry Picker 2nd shift

Rialto, CA · On-site

$21 - $22/hr

Cherry Picker Machine Operator (MHE Operator) - 2nd Shift We are seeking an experienced Cherry ... Report equipment problems, damaged products, and safety concerns immediately. * Assist in other ...

DIRECT STAFFING LLC

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Machine Operator Cherry Picker 2nd shift

Rialto, CA · On-site

$21 - $22/hr

Cherry Picker Machine Operator (MHE Operator) - 2nd Shift We are seeking an experienced Cherry ... Report equipment problems, damaged products, and safety concerns immediately. * Assist in other ...

BARCEL USA LLC

10428 Machine Operator- Pop

Vernon, CA

$21.50/hr

Operating Bagger Machine(s) following the standard operation procedures (SOP's), Maintain proper ... Troubleshoot baggers, assist with set ups. Duties and Responsibilities Includes the following.

Amcor plc

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 ...

BARCEL USA LLC

10428 Machine Operator- Pop

Vernon, CA · On-site

$21.50/hr

Operating Bagger Machine(s) following the standard operation procedures (SOP's), Maintain proper ... Troubleshoot baggers, assist with set ups. Duties and Responsibilities Includes the following.

Amcor

Machine Operator I - Hiring Event

Chino, CA

$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 ...

gnc

3rd shift Production - Machine Operator

Fontana, CA

$16.75 - $21.50/hr

POSITION SUMMARY The 3rd Shift Machine Operator will operate equipment and provide leadership to ... ADDITIONAL RESPONSIBILITIES * Assist in all phases of machine and department operation as needed ...

Calmont Wire & Cable

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Extruder Operator

Santa Ana, CA · On-site

$22 - $40/hr

We are looking for a self-motivated Extruder Machine Operator who enjoys the challenge of working ... in daily team meetings Ø Assist manufacturing personnel from other departments Ø Perform ...

THE NEW-INDY GROUP

Machine Helper 2nd Shift

Cerritos, CA · On-site

$19 - $20/hr

The Helper will assist the Machine Operator as needed throughout the shift. ESSENTIAL DUTIES AND RESPONSIBILITIES * Cut all straps and remove all excess cardboard from sheets before entry into ...

Pexco

Operator

Yorba Linda, CA · On-site

$20/hr

Machine Operations & Production * Set up, start, and operate plastic injections molding machines ... Adhere to production schedules, reporting any delays or equipment downtime promptly * Assist with ...

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Machine Operator Assistant information

See Chino, CA salary details

$13

$18

$22

How much do machine operator assistant jobs pay per hour?

As of Aug 22, 2026, the average hourly pay for machine operator assistant in Chino, CA is $18.81, 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 cities near Chino, CA are hiring for Machine Operator Assistant jobs?

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

Machine Operator Assistant jobs near you
Infographic showing various Machine Operator Assistant job openings in Chino, CA 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 $39,125 per year, or $18.8 per hour.

Fabrication Machine Operator - 2nd Shift

Siemens

Pomona, CA • On-site

$19.98/hr

Full-time

Re-posted 24 days ago

Siemens rating

7.7

Company rating: 7.7 out of 10

Based on 100 frontline employees who took The Breakroom Quiz

266th of 449 rated engineering

Job description

Here at Siemens, we take pride in enabling sustainable progress through technology. We do this through empowering customers by combining the real and digital worlds. Improving how we live, work, and move today and for the next generation! We know that the only way a business thrives is if our people are thriving. That's why we always put our people first. Our global, diverse team would be happy to support you and challenge you to grow in new ways. Who knows where our shared journey will take you?
The Electrical Products (EP) Business Unit offers a full range of low-voltage power distribution and control products that deliver safe, reliable, and efficient electrical solutions across residential, commercial, and industrial markets.
Transform the everyday with us
We are looking for a Fabrication Machine Operator to join our team! This position will be based at our Pomona, CA site.
Shift Hours: 4:00PM - 12:30 PM - Position will train on 1st shift for 3 months
Hourly Rate: $19.98 plus $.40 Shift Differential
What are the responsibilities?
  • Sets up, programs, tests, and adjusts machines to shear, pierce, extrude, bend, and/or shape material according to specifications.
  • Shears bus and steel with the use of shear machines.
  • Processes work orders in adherence to the production schedule or expedited orders.
  • Reads and interprets blue prints to produce desired parts.
  • Installs, exchanges, aligns, and locks specified punches, dies, or other fixtures on machines as applicable.
  • Interfaces industrial robot (if applicable) for picking and placing materials on a conveyor or other specified device.
  • Loads, positions, and secures materials against fixtures, clamps, or stops on machines.
  • Observes equipment operations and resolves problems with the machine operator control.
  • Inspects completed workpieces for defects (e.g. jagged edges or marred surfaces).
  • Measures completed workpieces (with the use of squares, tape measure, calipers, etc.) to verify conformance with specifications.
  • Marks parts with identifying information.
  • Accurately stacks fabricated parts on carts, conveyors, or any other specified devices.
  • Accurately discards scrap and/or defected materials that are not serviceable.
  • Initiates scrap tickets to generate part replacement orders.
  • Works with Material Handlers to ensure the material for each job is available (e.g. copper, aluminum, cold rolled steel, galvanized steel etc.)
  • Cleans and maintains machines, equipment, and work area to ensure proper functioning and safe working conditions.
  • Class A Operators must be able to perform or assist maintenance in performing necessary repairs to equipment.
  • Ability to drive forklift and any other electrical material lifting/handling equipment for loading material to the machine and unloading raw material from trucks.

You will win us over by having the following qualifications:
Basic Qualifications:
  • Ability to use and understand basic shop math.
  • Able to read and write.
  • Ability to read and understand mechanical drawings, wiring drawings and bills of material.
  • Ability to lift 50 lbs.
  • Ability to stand for 10 hours.
  • Ability to operate basic tools.
  • GED or equivalent experience
  • Legally authorized to work in the United States on a continual and permanent basis without company sponsorship
Preferred Qualifications:
  • Previous experience in fabrication in a manufacturing environment.
  • CNC Programming preferred

We are a global technology company focused on industry, infrastructure, transport, and healthcare. From more resource-efficient factories, resilient supply chains, and smarter buildings and grids, to sustainable transportation as well as advanced healthcare, we create technology with purpose adding real value for customers.
Our Commitment to Equity and Inclusion in our Diverse Global Workforce:
We value your unique identity and perspective. We are fully committed to providing equitable opportunities and building a workplace that reflects the diversity of society, while ensuring that we attract the best talent based on qualifications, skills, and experiences. We welcome you to bring your authentic self and transform the everyday with us.
#LI-CY1 #Fabrication #CNC #Blueprints #MFGPomona
You'll Benefit From
Siemens offers a variety of health and wellness benefits to our employees. Details regarding our benefits can be found here: https://www.benefitsquickstart.com/siemens/index.html
The pay for this position is 19.98 per hour, plus an additional .40 shift differential. The actual wage offered may be lower or higher depending on budget and candidate experience, knowledge, skills, qualifications and premium geographic location.
Equal Employment Opportunity Statement
Siemens is an Equal Opportunity Employer encouraging inclusion in the workplace. All qualified applicants will receive consideration for employment without regard to their race, color, creed, religion, national origin, citizenship status, ancestry, sex, age, physical or mental disability unrelated to ability, marital status, family responsibilities, pregnancy, genetic information, sexual orientation, gender expression, gender identity, transgender, sex stereotyping, order of protection status, protected veteran or military status, or an unfavorable discharge from military service, and other categories protected by federal, state or local law.
EEO is the Law
Applicants and employees are protected from discrimination on the basis of race, color, religion, sex, national origin, or any characteristic protected by Federal or other applicable law.
Reasonable Accommodations
If you require a reasonable accommodation in completing a job application, interviewing, completing any pre-employment testing, or otherwise participating in the employee selection process, please fill out the accommodations form by clicking on this link Accommodation for disability form. If you're unable to complete the form, you can reach out to our AskHR team for support at 1-866-743-6367. Please note our AskHR representatives do not have visibility of application or interview status.
Pay Transparency
Siemens follows Pay Transparency laws.
Application Deadline
This role will be posted for a minimum of five (5) days from the original posting date. The posting timeline may change based on applicant volume to ensure we attract and consider a strong and representative candidate pool.
California Privacy Notice
California residents have the right to receive additional notices about their personal information. To learn more, click here.
Criminal History
Qualified applications with arrest or conviction records will be considered for employment in accordance with applicable local and state laws.

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