1

Injection Moulding Machine Operator Jobs in California

Be Seen First

*Operate various types and sizes of injection molding machines *Inspect and trim molded parts according to work instructions and advise production supervisors of problems found during molding. Comply ...

Injection Molding Machine Operator

Garden Grove, CA · On-site

$16.25 - $21.75/hr

Produces quality parts by running plastic injection molding machines, following work orders and blueprints. Monitors process temperatures and injection pressures to detect non-conformances to drawing ...

Injection Mold Operator

CA · On-site

$20 - $24/hr

Injection Mold Operator WET (Design) Sun Valley, California Welcome to WET , the pioneering force ... Operate 77, 275 and 750 ton machines to produce high quality parts for our proprietary devices.

$20 - $24/hr

Injection Mold Operator WET (Design) Sun Valley, California Welcome to WET , the pioneering force ... Operate 77, 275 and 750 ton machines to produce high quality parts for our proprietary devices.

Machine Operator

Fresno, CA · On-site

$17 - $20/hr

The Machine Operator is also responsible for following our company's Good Manufacturing Practices ... Operate blow-mold/PET/injection molding machines (including wheels, reciprocating or shuttle ...

Machine Operator

Buena Park, CA · On-site

$23 - $25/hr

The Machine Operator is also responsible for following our company's Good Manufacturing Practices ... Operate blow-mold/PET/injection molding machines (including wheels, reciprocating or shuttle ...

Machine Operator

Buena Park, CA · On-site

$23 - $25/hr

The Machine Operator is also responsible for following our company's Good Manufacturing Practices ... Operate blow-mold/PET/injection molding machines (including wheels, reciprocating or shuttle ...

Machine Operator

Buena Park, CA · On-site

$23 - $25/hr

The Machine Operator is also responsible for following our company's Good Manufacturing Practices ... Operate blow-mold/PET/injection molding machines (including wheels, reciprocating or shuttle ...

Machine Operator

Buena Park, CA · On-site

$23 - $25/hr

The Machine Operator is also responsible for following our company's Good Manufacturing Practices ... Operate blow-mold/PET/injection molding machines (including wheels, reciprocating or shuttle ...

The Machine Operator is also responsible for following our company's Good Manufacturing Practices ... Operate blow-mold/PET/injection molding machines (including wheels, reciprocating or shuttle ...

Machine Operator

Fresno, CA · On-site

$17 - $20/hr

The Machine Operator is also responsible for following our company's Good Manufacturing Practices ... Operate blow-mold/PET/injection molding machines (including wheels, reciprocating or shuttle ...

Machine Operator

Fresno, CA · On-site

$17 - $20/hr

The Machine Operator is also responsible for following our company's Good Manufacturing Practices ... Operate blow-mold/PET/injection molding machines (including wheels, reciprocating or shuttle ...

Machine Operator

Buena Park, CA · On-site

$23 - $25/hr

The Machine Operator is also responsible for following our company's Good Manufacturing Practices ... Operate blow-mold/PET/injection molding machines (including wheels, reciprocating or shuttle ...

Machine Operator

Fresno, CA · On-site

$17 - $20/hr

The Machine Operator is also responsible for following our company's Good Manufacturing Practices ... Operate blow-mold/PET/injection molding machines (including wheels, reciprocating or shuttle ...

Be Seen First

Injection Molding Operator

Orange, CA · On-site

$18 - $18.50/hr

Maintain proper machine cycle times and production standards. * Remove finished parts from molds manually or with robotic assistance. * Inspect finished parts for visual defects and quality issues.

New

next page

Showing results 1-20

Injection Moulding Machine Operator information

See California salary details

$11

$17

$23

How much do injection moulding machine operator jobs pay per hour?

As of Sep 4, 2026, the average hourly pay for injection moulding machine operator in California is $17.95, according to ZipRecruiter salary data. Most workers in this role earn between $16.15 and $19.23 per hour, depending on experience, location, and employer.

What is the difference between Injection Moulding Machine Operator vs Plastic Processing Technician?

AspectInjection Moulding Machine OperatorPlastic Processing Technician
CredentialsBasic technical training, on-the-job experienceTechnical diploma or certification often preferred
Work EnvironmentManufacturing plant, operating molding machinesManufacturing or processing plant, overseeing plastic production
Industry UsageCommonly used in plastics manufacturingUsed across plastics and polymer processing industries
Job FocusOperating and monitoring molding machinesMaintaining, troubleshooting, and optimizing plastic processing equipment

While both roles work within plastics manufacturing, the Injection Moulding Machine Operator primarily focuses on operating molding machines, whereas the Plastic Processing Technician handles broader processing tasks, including maintenance and troubleshooting of plastic production equipment.

What are popular job titles related to Injection Moulding Machine Operator jobs in California?

For Injection Moulding Machine Operator jobs in California, the most frequently searched job titles are:

What job categories do people searching Injection Moulding Machine Operator jobs in California look for?

The top searched job categories for Injection Moulding Machine Operator jobs in California are:

What cities in California are hiring for Injection Moulding Machine Operator jobs?

Cities in California with the most Injection Moulding Machine Operator job openings:

Infographic showing various Injection Moulding Machine Operator job openings in California as of August 2026, with employment types broken down into 81% Full Time, 9% Part Time, and 10% Contract. Highlights an 100% In-person job distribution, with an average salary of $37,331 per year, or $17.9 per hour.

Injection Molding Machine Operator (Dummy)

ALOIS LLC

Garden Grove, CA • On-site

$16.25 - $21.75/hr

Contractor

Re-posted 19 days ago


Job description

Injection Molding Machine Operator
Location: Garden Grove, CA 92841

Qualifications:

  • Manufacturing experience preferred

  • Ability to read blueprints and work orders

  • Basic measuring and inspection skills

Responsibilities:

  • Operate plastic injection molding machines to produce quality parts

  • Read and follow blueprints, work orders, and customer specifications

  • Monitor machine temperatures and injection pressures

  • Inspect parts and verify machine settings using measuring tools

  • Use micrometers, Vernier calipers, and optical comparators

  • Perform basic preventive maintenance as needed

  • Ensure parts meet quality and drawing specifications