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

Extruder Operator

Perris, CA · On-site

$20 - $25/hr

Non-Exempt X Exempt COST CENTER: 6721 SUMMARY Operates plastic extrusion machines such as cut-off ... Relieve and assist other operators as needed. * Maintain a clean, safe, and orderly work area.

Non-Exempt X Exempt COST CENTER: 6721 SUMMARY Operates plastic extrusion machines such as cut-off ... Relieve and assist other operators as needed. * Maintain a clean, safe, and orderly work area.

CNC Programmer/Operator

Corona, CA · On-site

$20 - $22/hr

Minimum 3-5 Years of progressive experience as an overall machinist operator * 3-5 Years of ... Train and assist other employees in the Company. 18. Perform related duties as assigned. Skills and ...

Frame Grinder

Fontana, CA · On-site

$20 - $22/hr

... Assist with daily PM schedule for machine, manuals and procedures. • Perform first part inspections as well as in-process quality checks. REQUIRED SKILLS: • Ability to read and understand ...

Frame Grinder

Fontana, CA · On-site

$22/hr

Ability to layout and load materials. Assist with daily PM schedule for machine, manuals and procedures. Perform first part inspections as well as in-process quality checks. REQUIRED SKILLS: Ability ...

CNC Router Operator

Chino, CA · On-site

$19 - $23/hr

Make machine adjustments and tool changes as required to maintain quality and efficiency. * Perform ... protective equipment. * Assist with other fabrication and production activities as needed.

Shop Helper (2nd Shift)

Fontana, CA · On-site

$17.61 - $23.77/hr

This individual will also assist machine operators and welders with assigned tasks to complete the fabrication of materials. What a typical day looks like: * Cut material in preparation for ...

Shop Helper (2nd Shift)

Fontana, CA · On-site

$17.61 - $23.77/hr

This individual will also assist machine operators and welders with assigned tasks to complete the fabrication of materials. What a typical day looks like: * Cut material in preparation for ...

Shop Helper (2nd Shift)

Fontana, CA · On-site

$17.61 - $23.77/hr

This individual will also assist machine operators and welders with assigned tasks to complete the fabrication of materials. What a typical day looks like: * Cut material in preparation for ...

Must be able to make machine adjustment when necessary. * Assist with inventory Skills and ... The Operator A hourly rate starts at $25.9571 per hour. Carpenter Co. is an equal opportunity ...

Operator A

Riverside, CA · On-site

$25.96/hr

Must be able to make machine adjustment when necessary. * Assist with inventory Skills and ... The Operator A hourly rate starts at $25.9571 per hour. Carpenter Co. is an equal opportunity ...

Encapsulator Operator

Ontario, CA · On-site

$17.75 - $23.50/hr

Operate encapsulation machines to produce high-quality supplement products Assist with equipment ... operating procedures Must be reliable and punctual Ability to lift up to 50 lbs and stand for ...

Encapsulator Operator

Ontario, CA · On-site

$17.75 - $23.50/hr

Operate encapsulation machines to produce high-quality supplement products Assist with equipment ... operating procedures Must be reliable and punctual Ability to lift up to 50 lbs and stand for ...

Inventory Management: Assist with inventory control by scanning and verifying incoming and outgoing ... Ability to stand, walk, and operate machinery for extended periods. * Attention to Detail: Strong ...

Showing results 41-60

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 15, 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:

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.

Extruder Operator

Perris, CA • On-site

JM Eagle
Plastics Product Manufacturing • 1 - 5K employees

$20 - $25/hr

Full-time

Re-posted 9 days ago


JM Eagle rating

7.8

Company rating: 7.8 out of 10

Based on 14 frontline employees who took The Breakroom Quiz


Job description

                                  JOB DESCRIPTION

TITLE: Extruder Operator 1                                                                  

REPORTS TO: Production Supervisor               

DEPARTMENT: Production 

FLSA Status:                    Non-Exempt    X    Exempt                                                               

COST CENTER:                  6721   

SUMMARY

Operates plastic extrusion machines such as cut-off saws, pullers, pneumatic operated belling equipment, extruders, dies and various pipe testing equipment.  Uses various hand tools, micrometers, OD tapes, banders, and wood saws in the manufacturing of rigid PVC pipe.

ESSENTIAL DUTIES AND RESPONSIBILITIES include the following. Other duties may be assigned.

  1.   Committed to providing our customers with quality products and to the continuous improvement of our capability to do so.

  2.  Maintain operation of multiple lines, including packaging end product for shipment.

  1. Learn and maintain all documentation required for production reporting.
  1.  Prepare packaging materials.
  2.  Visually inspect product for quality control purposes.
  3.  Measure and record pipe dimensions as directed.
  4.  Make adjustments on bellers and printing equipment as needed.
  5.  Monitor and make adjustments to saw, puller and vacuum tank as needed.
  6.  Move bundled pipe from work area, weigh and document completed bundles (scrap & good product).
  7.  Assist in production line start-up activities and changeovers.
  8.  Observe all operational and safety procedures.
  9.  Cut and band scrap as directed.
  10.  Relieve and assist other operators as needed.
  11.  Maintain a clean, safe, and orderly work area.
  12.  Report any equipment malfunctions, product defects or unsafe conditions immediately.
  13.  Operate a forklift truck safely and inspect fork trucks as instructed.
  14.  Attend required training sessions and wear the required safety equipment such as hearing protection, safety glasses and other safety equipment that might be required for certain tasks.
  15.  Work with a team and with others.

SUPERVISORY RESPONSIBILITIES

This position has no supervisory responsibilities.

QUALIFICATIONS

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily.  The requirements listed below are representative of the knowledge, skill, and /or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

EDUCATION and/or EXPERIENCE

High school diploma or general education degree (GED). Demonstration of requisite skills, satisfactory attendance, and safety record.   

COMPUTER SKILLS

Basic computer skills.

LANGUAGE SKILLS

Ability to read and interpret documents such as safety rules, operating and maintenance instructions, and procedure manuals.  Ability to write routine reports and correspondence. Have ability to speak effectively before groups of customers or employees of organizations.

MATHEMATICAL SKILLS

Ability to add, subtract, multiply, and divide in all units of measure, using whole numbers, common fractions, and decimals. Ability to compute rate, ratio and percent and to draw and interpret bar graphs. 

REASONING ABILITY

Ability to apply common sense understanding to carry out instructions furnished in written, oral or diagram form. Have ability to deal with problems involving several concrete variables in standardized situations.

PHYSICAL DEMANDS

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of the job.Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

1.   While performing the duties of this job, the employee is regularly required to stand and use hands to finger, handle, or feel objects, tools, or controls. The employee frequently is required to walk, reach with hands and arms, and talk and hear.

2.  The employee is occasionally required to stoop, kneel, crouch, or climb stairs, and to climb ladders and work at heights up to 50 feet.

3.  The employee must frequently lift and/or move up to 50 pounds and occasionally lift and/or move up to 70 pounds.

4. Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception, and the ability to adjust focus.

WORK ENVIRONMENT

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. 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 exposed to moving mechanical parts. The employee is frequently exposed to extreme cold and extreme heat. The employee is occasionally exposed to outside weather conditions.

The noise level in the work environment is usually loud.


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