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Plastic Molding Jobs in Riverside, CA (NOW HIRING)

Process Engineer

Pomona, CA · On-site

$83K - $85K/yr

The process engineer is responsible for maintaining daily production uptime of fully automated molding machines, including all subsequent pre- and post-mold operations such as trimming, insert ...

Tool Room Machinist

Pomona, CA · On-site

$22 - $25/hr

Basic knowledge of Injection molding and mold maintenance * Tagging and placing molds in assigned locations/ assigning molds to new locations. * Assisting tool room manager in mold change overs ...

The process engineer is responsible for maintaining daily production uptime of fully automated molding machines, including all subsequent pre- and post-mold operations such as trimming, insert ...

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 ...

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 ...

Product Design Intern

Pomona, CA · On-site

$22 - $22.50/hr

Manage new tooling programs including mold layout and detail design. * Work with DFM process given by toolmaker to review part design and mold layout. * Work with DFM process given by toolmaker to ...

Process Technician

Pomona, CA · On-site

$28 - $29/hr

Perform all start-up, shutdown, and troubleshooting of the molding process during normal production run. * Coordinate and/ or setup all secondary and auxiliary equipment as needed for each job

Do you have experience working in Manufacturing, Packing Products off Conveyor lines, Mechanical Aptitude, Working with Plastic molding??? If so, WE ARE LOOKING FOR YOU!!! Packer Compensation:

Do you have experience working in Manufacturing, Packing Products off Conveyor lines, Mechanical Aptitude, Working with Plastic molding??? If so, WE ARE LOOKING FOR YOU!!! Packer Compensation:

Do you have experience working in Manufacturing, Packing Products off Conveyor lines, Mechanical Aptitude, Working with Plastic molding??? If so, WE ARE LOOKING FOR YOU!!! Packer Compensation:

Packer

Rancho Cucamonga, CA · On-site

$18.75/hr

Do you have experience working in Manufacturing, Packing Products off Conveyor lines, Mechanical Aptitude, Working with Plastic molding??? If so, WE ARE LOOKING FOR YOU!!! Packer Compensation:

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Plastic Molding information

See Riverside, CA salary details

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$19

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How much do plastic molding jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for plastic molding in Riverside, CA is $19.07, according to ZipRecruiter salary data. Most workers in this role earn between $15.05 and $22.55 per hour, depending on experience, location, and employer.

Do plastic molding makers make good money?

Plastic molding operators and technicians can earn competitive wages, with pay often increasing with experience, skills, and certifications. Entry-level positions typically pay around minimum wage, while experienced workers or those with specialized skills can earn higher salaries, especially in manufacturing environments with overtime or shift differentials.

What are common challenges faced by professionals working in plastic molding, and how can they be addressed?

Professionals in plastic molding often encounter challenges such as maintaining product quality during high-volume production, troubleshooting machine malfunctions, and managing tight production deadlines. Addressing these challenges typically involves rigorous adherence to safety and quality control procedures, ongoing training in equipment operation, and effective communication with maintenance and engineering teams. Being proactive with preventive maintenance and staying updated on new molding technologies can also help mitigate downtime and enhance productivity.

What is a plastic molding job?

Plastic molding jobs involve operating machinery and using molds to shape raw plastic materials into finished products or components. Workers in this field may set up and maintain molding machines, monitor production for quality, and perform finishing work such as trimming excess material. These jobs can be found in industries like automotive, consumer goods, and packaging, and often require attention to detail, safety awareness, and basic mechanical skills.

What is the difference between Plastic Molding vs Plastic Fabrication?

AspectPlastic MoldingPlastic Fabrication
ProcessShaping plastic materials using molds through injection, blow, or compression moldingCutting, bending, and assembling plastic parts from sheets or rods
Skills & CertificationsKnowledge of molding machines, material properties, safety protocolsCutting, welding, and assembly techniques, often requiring hand tools and machinery skills
Work EnvironmentFactories with molding machines, controlled temperature environmentsWorkshops or manufacturing floors with cutting and assembly stations
Industry UsageAutomotive, consumer products, packagingPrototyping, custom parts, repair, and small-scale production

Plastic Molding involves shaping plastics using molds and specialized machinery, ideal for mass production. Plastic Fabrication focuses on cutting, assembling, and finishing plastic parts, often for custom or small-batch projects. Both roles require knowledge of plastics and safety procedures but differ in techniques and work environments.

What skills and qualifications are needed to thrive as a plastic molding technician?

To thrive as a Plastic Molding Technician, you need a solid understanding of manufacturing processes, mechanical aptitude, and a high school diploma or technical certification in plastics or manufacturing technology. Familiarity with injection molding machines, CAD/CAM software, and quality control systems is typically required. Attention to detail, problem-solving abilities, and effective teamwork are standout soft skills for this role. These competencies ensure precise production, minimize defects, and support efficient, safe operations in a manufacturing environment.
What are popular job titles related to Plastic Molding jobs in Riverside, CA? For Plastic Molding jobs in Riverside, CA, the most frequently searched job titles are:
What job categories do people searching Plastic Molding jobs in Riverside, CA look for? The top searched job categories for Plastic Molding jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Plastic Molding jobs? Cities near Riverside, CA with the most Plastic Molding job openings:
Infographic showing various Plastic Molding job openings in Riverside, CA as of August 2026, with employment types broken down into 85% Full Time, 9% Part Time, 3% Contract, and 3% Nights. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $39,665 per year, or $19.1 per hour.

$22 - $25/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted yesterday


Job description

Duties & Responsibilities:

  • Knowledge of General machining equipment like Lathe, VMC, and CNC
  • Cleaning and performing preventative maintenance on molds before and after production.
  • Basic knowledge of Injection molding and mold maintenance
  • Tagging and placing molds in assigned locations/ assigning molds to new locations.
  • Assisting tool room manager in mold change overs according to configurations on work orders.
  • Maintaining/assigning fixture locations.
  • Logging in incoming molds and assigning them a mold number according to our mold log.
  • Change over Troubleshooting Mold
  • Assisting the production floor with special manufacturing projects
  • Perform any other assignments given by the Tool Room Supervisor/ VP of Sales and Operations.

Required Knowledge, Skills, & Abilities:

         High school diploma or equivalent qualification.

         Knowledge of an injection molding plant.

        Basic knowledge of tooling parts and supplies.

       Minimum of 1-2 years of experience repairing injection molding machinery and associated auxiliary equipment.

       Possess a high degree of attention to detail and organizational skills.

        Basic math skills and basic understanding of the English language.

Benefits

       Medical, Dental, Vision, 401K with company match, Life Insurance,Sick days, Vacation, and Holiday Pay