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Injection Molding Machine Operator Jobs in Riverside, CA

Professional Search Group - Orange County

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Plastic Injection Mold Process Technician

Tustin, CA · On-site

$28 - $32/hr

Set up and operate plastic injection molding machines, ensuring optimal performance and product ... Experience operating robotic systems integrated with manufacturing equipment for automation tasks.

Professional Search Group - Orange County

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Injection Mold Shop Lead - 3rd Shift

Tustin, CA · On-site

$31 - $35/hr

Proven experience in plastics injection molding, blow molding, extrusion, or related plastics manufacturing environments * Strong mechanical knowledge with hands-on experience operating CNC machines ...

Honor Plastics & Molding

Process Technician

Pomona, CA · On-site

$27.50 - $28/hr

They will ensure that all the injection molding machine and the process are producing quality parts efficiently. The process Technician must have a good fundamental knowledge of the injection molding ...

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All JobsInjection Molding Machine Operator JobsInjection Molding Machine Operator Jobs in Riverside, CA

Injection Molding Machine Operator information

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$12

$19

$26

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

As of Aug 6, 2026, the average hourly pay for injection molding machine operator in Riverside, CA is $19.15, according to ZipRecruiter salary data. Most workers in this role earn between $16.06 and $21.59 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an injection molding machine operator?

To thrive as an Injection Molding Machine Operator, you need a solid understanding of manufacturing processes, mechanical aptitude, and typically a high school diploma or equivalent. Familiarity with injection molding machines, quality control systems, and basic computer operation is important, and some roles may require certification in plastics processing or safety training. Attention to detail, problem-solving abilities, and effective communication are valuable soft skills that help operators maintain quality and address issues quickly. These skills ensure consistent production quality, reduce downtime, and support a safe and efficient manufacturing environment.

What are some common challenges faced by injection molding machine operators and how can they be addressed?

Injection Molding Machine Operators often encounter challenges such as machine malfunctions, maintaining consistent product quality, and minimizing material waste. Addressing these issues requires strong troubleshooting skills, attention to detail, and adherence to safety and quality protocols. Operators typically collaborate closely with maintenance teams and quality control inspectors to quickly resolve technical issues and ensure production standards are met. Continuous learning and familiarity with different plastics and machine types also help operators adapt to changing production demands and advance in their careers.

Is injection molding a good career?

Injection molding machine operators play a key role in manufacturing plastic products, requiring skills in machine setup, operation, and quality control. The job often offers steady employment, opportunities for advancement, and may require certifications or training in machinery and safety protocols. It can be a stable career choice for those interested in manufacturing and technical work.

What is an injection molding machine operator?

An Injection Molding Machine Operator is a skilled worker responsible for setting up, operating, and maintaining machines that shape plastic or other materials into parts and products using molds. Their duties include loading materials into the machine, adjusting settings for temperature and pressure, monitoring the production process, and performing quality checks on finished products. They also troubleshoot issues, perform routine maintenance, and ensure safety standards are met in the manufacturing environment.

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

AspectInjection Molding Machine OperatorPlastic Molding Technician
CredentialsHigh school diploma, on-the-job trainingHigh school diploma, technical training or certification
Work EnvironmentFactories, manufacturing plantsFactories, manufacturing plants
Job FocusOperating and monitoring machinesMaintaining, troubleshooting, and setting up molds
Industry UsageCommon in plastics manufacturingCommon in plastics and rubber industries

While both roles work within plastics manufacturing, Injection Molding Machine Operators primarily focus on operating and monitoring molding machines, whereas Plastic Molding Technicians handle mold setup, maintenance, and troubleshooting. The roles often overlap but differ in technical responsibilities and skill requirements.

Injection Molding Machine Operator jobs near you
Infographic showing various Injection Molding Machine Operator job openings in Riverside, CA as of July 2026, with employment types broken down into 1% As Needed, 88% Full Time, 6% Part Time, 1% Temporary, 2% Contract, and 2% Nights. Highlights an 94% Physical, 3% Hybrid, and 3% Remote job distribution, with an average salary of $39,841 per year, or $19.2 per hour.

Injection Molding Process Technician

King Plastics Inc

Orange, CA

$22 - $32/hr

Full-time

Posted 22 days ago

Job description

The Injection Molding Process Technician is responsible for setting up, operating, and maintaining injection molding machines to produce high-quality plastic components. This role involves monitoring and adjusting machine parameters, troubleshooting issues, and ensuring the overall efficiency of the injection molding process.

You should be proficient in:

  • Mechanical Troubleshooting Skills
  • Injection Molding Experience
  • Tool/Die/Mold Setup Experience
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