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

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

$16.50 - $21.75/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 ...

pca

Flexo Assistant

San Bernardino, CA · On-site

$22 - $29.25/hr

Maximize the utilization of equipment by operating the machinery at available capacity and speed. Assist Operator, Assistant Operator and Utility with job duties on the machine. Complete necessary ...

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 ...

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 ...

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 ...

Kinetic Personnel Group

Production Assistant

Riverside, CA · On-site

$18 - $19.50/hr

Machine Operator / Material Handler Job Type: Full-Time Industry: Metal Manufacturing / Production ... This position will operate production equipment, move and stage raw materials, assist with loading ...

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 ...

IPS Corporation

Extrusion Operator

Fontana, CA · On-site

$20 - $22/hr

Monitor machine operations using programmable logic controllers (PLCs) and other control systems ... * Assist with fabrication, assembly, and secondary operations like plastics blow molding or ...

Carpenter Co.

Operator B

Riverside, CA · On-site

$22.90/hr

This position is also responsible for assembling foam parts, assisting the machine operator with ... Maintain a neat, orderly and safe work environment * Assist with inventory * Performing quality ...

Carpenter Co.

Operator B

Riverside, CA · On-site

$22.90/hr

This position is also responsible for assembling foam parts, assisting the machine operator with ... Maintain a neat, orderly and safe work environment * Assist with inventory * Performing quality ...

JM Eagle

Grinder Operator

Fontana, CA · On-site

$20 - $21.50/hr

Operate grinder machinery to grind PVC pipe. * Operate PVC scrap grinder and pulverizer equipment ... Operate a forklift and maintain current forklift certification. * Assist with setups, changeovers ...

JM Eagle

Grinder Operator

Fontana, CA · On-site

$20 - $21.50/hr

Operate grinder machinery to grind PVC pipe. * Operate PVC scrap grinder and pulverizer equipment ... Operate a forklift and maintain current forklift certification. * Assist with setups, changeovers ...

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

Machine Operator Assistant information

See Colton, CA salary details

$13

$18

$22

How much do machine operator assistant jobs pay per hour?

As of Sep 14, 2026, the average hourly pay for machine operator assistant in Colton, CA is $18.90, according to ZipRecruiter salary data. Most workers in this role earn between $16.44 and $19.66 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 Colton, CA are hiring for Machine Operator Assistant jobs?

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

Machine Operator Assistant jobs near you
Infographic showing various Machine Operator Assistant job openings in Colton, CA as of August 2026, with employment types broken down into 1% As Needed, 74% Full Time, 22% Part Time, 1% Temporary, and 2% Contract. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $39,308 per year, or $18.9 per hour.

Pressman Assistant

Ontario, CA • On-site

One Stop Label Corporation
See more jobs at One Stop Label Corporationexternal

$17.25 - $18/hr

Full-time

Posted 24 days ago

Job description

Job Type: Full-Time, Monday - Friday 6:30am - 2:30pm 
 
Job Function: The Press Operator Support is responsible for providing assistance to the Press Operators by supplying all machines with the appropriate raw materials and tooling including; inks, rolls of basestock materials, and tooling. The Press Operator Support is also responsible for ensuring all raw materials and tooling are managed and stored correctly. Assists the Press Operator in setup and cleanup of press ink stations. 
 
** Mandatory paid onsite training** 
 
Typical Duties Include:
1)    Lifting and carrying heavy items with help from safety equipment to press.
2)    Cleaning press ink stations, tooling, printing plates and work areas.
3)    Transfer printed rollstock to rewinding department 
4)    Assist with rewinding and packaging orders when assistance from press operators is not needed    
 
Physical Requirements: Standing for prolonged periods of time. Walking, squatting, and lifting rolls. Must have good eyesight and manual agility. 
 
Work Environment: Non-climate controlled warehouse. Noisy environment. Safety protective equipment provided. 
 
Machines used: Material slitter, label rewinder, and tooling cleaner. 
 
Reporting relationships: The Press Operator Assistant reports to the following persons; Press Operators, Production Manager, and General Manager. 
 
Qualifications: High School Diploma or G.E.D. (General Educational Development) 
 
Job Knowledge/Skills Required:
1)    Ability to use ruler 
2)    Communication skills
3)    Completion of in-house training as approved by Lead Rewinder or Production Manager.  
4)    Good team member