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Plastic Injection Mold Operator Jobs in California

Process Technician

Santa Ana, CA · On-site

$28 - $34/hr

We are a growing Southern California plastic injection molding manufacturer seeking experienced ... Can assist and coordinate daily activities of production workers engaged in operating plastic ...

Mold Technician

Union City, CA · On-site

$40 - $47/hr

... plastic injection molds specifically). * Proficient in using manual and CNC mill/lathe and grinding machining equipment. * Experienced in operating welding(TIG) and EDM machines. * Experience in ...

Mold Technician

Union City, CA · On-site

$40 - $47/hr

... plastic injection molds specifically). * Proficient in using manual and CNC mill/lathe and grinding machining equipment. * Experienced in operating welding(TIG) and EDM machines. * Experience in ...

... plastic injection molds specifically). * Proficient in using manual and CNC mill/lathe and grinding machining equipment. * Experienced in operating welding(TIG) and EDM machines. * Experience in ...

Be Seen First

Experience in plastics, injection molding, packaging, consumer products, or related manufacturing industries preferred. * Experience leading customer audits, complaint investigations, corrective ...

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Showing results 1-20

Plastic Injection Mold Operator information

See California salary details

$10

$17

$24

How much do plastic injection mold operator jobs pay per hour?

As of Jun 14, 2026, the average hourly pay for plastic injection mold operator in California is $17.48, according to ZipRecruiter salary data. Most workers in this role earn between $15.19 and $18.75 per hour, depending on experience, location, and employer.

What are some common challenges faced by Plastic Injection Mold Operators, and how can they be addressed?

Plastic Injection Mold Operators often encounter challenges such as maintaining consistent product quality, troubleshooting machine malfunctions, and minimizing downtime during mold changes. To address these, operators should develop strong attention to detail, familiarize themselves with the machinery and mold designs, and communicate effectively with maintenance and engineering teams. Regular training and staying updated on best practices can also help operators quickly identify issues and ensure smooth production runs.

What are the key skills and qualifications needed to thrive as a Plastic Injection Mold Operator, and why are they important?

To thrive as a Plastic Injection Mold Operator, you need a solid understanding of manufacturing processes, mechanical aptitude, and a high school diploma or equivalent. Familiarity with injection molding machines, quality control tools, and safety protocols is essential, and some roles may require certifications in machine operation or safety. Attention to detail, problem-solving skills, and the ability to work well in a team are valuable soft skills in this role. These abilities are crucial for ensuring efficient production, minimizing defects, and maintaining a safe and productive work environment.

What does a Plastic Injection Mold Operator do?

A Plastic Injection Mold Operator is responsible for setting up, operating, and maintaining injection molding machines that produce plastic parts and components. Their duties include loading raw materials, monitoring the molding process, inspecting finished products for quality, and troubleshooting any issues with the equipment. They may also perform routine maintenance and make adjustments to ensure efficient and safe production. This role is essential in manufacturing industries that require precise and high-volume plastic parts.

What is the difference between Plastic Injection Mold Operator vs Plastic Mold Setter?

AspectPlastic Injection Mold OperatorPlastic Mold Setter
Primary RoleOperates injection molding machines, monitors production, and ensures qualityPrepares, installs, and adjusts molds in injection molding machines
Skills & CertificationsMachine operation, quality control, basic troubleshootingTool setup, mold maintenance, technical adjustments
Work EnvironmentManufacturing floor, machine operationManufacturing floor, mold installation area
Industry UsageCommonly employed in plastic manufacturing plantsOften involved in mold setup and changeovers in similar settings

The Plastic Injection Mold Operator focuses on running and monitoring machines during production, while the Plastic Mold Setter specializes in preparing and installing molds. Both roles require technical skills and are essential in plastic manufacturing, but they differ in responsibilities related to machine operation versus mold setup and maintenance.

What are popular job titles related to Plastic Injection Mold Operator jobs in California? For Plastic Injection Mold Operator jobs in California, the most frequently searched job titles are:
Infographic showing various Plastic Injection Mold Operator job openings in California as of June 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $36,352 per year, or $17.5 per hour.

Injection Molding Operator - 3rd Shift Position Available

Metro Bay Products, Inc

Costa Mesa, CA • On-site

$20/hr

Full-time

Posted 27 days ago


Job description

Plastic Injection Molding Manufacture in Costa Mesa.
Time hours
M-F 10:30pm - 7:00am 
Duties Include:
• Operate machine.
• Inspect quality of parts.
• Trim parts if needed.
• Package parts.
• Maintain machine cycle times.
• Label product packaging.
• Maintain daily cycle records.
• Maintain a clean work station.
• Ability to lift 55 pounds.
• Must be able to withstand a full shift standing.
• Reliable transportation is a must.
• Reliable attendance is a must.
• Screening Check.
All Training will be from 8:00AM to 2:00 PM: M-F.