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Plastic Molding Jobs in Riverside, CA (NOW HIRING)

Ambrit Engineering

Process Technician

Santa Ana, CA

$28 - $34/hr

Join a Growing Injection Molding Team at Ambrit Engineering! We are a growing Southern California plastic injection molding manufacturer seeking experienced Process Technicians with strong ...

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 quality. * Monitor machine operation throughout production runs, making adjustments as needed to ...

Ezonyx Bio Technologies

Injection Mold Maker

Brea, CA · On-site

This candidate will focus on mechanical and technical improvements for plastic extrusion, molding and other thermoforming processes to meet company goals. Responsible for laying-out, building, fine ...

Honor Plastics & Molding

Setup Technician

Pomona, CA · On-site

$24.50 - $25/hr

Follows work orders, blueprints, and programming folders to set up plastic injection molding machines to produce quality parts * Inspect molds after set-up is completed for the following: water leaks ...

Honor Plastics & Molding

Setup Technician

Pomona, CA · On-site

$24.50 - $25/hr

Follows work orders, blueprints, and programming folders to set up plastic injection molding machines to produce quality parts * Inspect molds after set-up is completed for the following: water leaks ...

Honor Plastics & Molding

Maintenance Technician

Pomona, CA · On-site

$30 - $32/hr

Knowledge of hydraulic and electric trouble shoot * basic knowledge of plastic processing. * Troubleshoot problems with injection molding machines and their auxiliary equipment. * Perform mechanical ...

Professional Search Group - Orange County

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Injection Mold Shop Lead - 3rd Shift

Tustin, CA · On-site

$31 - $35/hr

Supervise machine operation including plastics injection molding presses, CNC lathes, press brake machines, and robotic systems to maintain optimal performance * Oversee materials handling ...

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All JobsPlastic Molding JobsPlastic Molding Jobs in Riverside, CA

Plastic Molding information

See Riverside, CA salary details

$13

$19

$26

How much do plastic molding jobs pay per hour?

As of Aug 1, 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.

What are some 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 are plastic molding jobs?

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 are the key skills and qualifications needed to thrive as a Plastic Molding Technician, and why are they important?

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:
Plastic Molding jobs near you
Infographic showing various Plastic Molding job openings in Riverside, CA as of July 2026, with employment types broken down into 1% Locum Tenens, 92% Full Time, 2% Part Time, 2% Contract, and 3% Nights. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $39,665 per year, or $19.1 per hour.

Process Technician

Ambrit Engineering

Santa Ana, CA

$28 - $34/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 17 days ago

Job description

We are seeking applicants with 2+ years of experience as a process technician in the plastic injection mold industry.

Shifts:

  1. (First Shift) 7:45am-4:15pm
  2. **(Third Shift) 11:45pm - 8:15 am (shift differential) **

Join a Growing Injection Molding Team at Ambrit Engineering!

We are a growing Southern California plastic injection molding manufacturer seeking experienced Process Technicians with strong troubleshooting, optimizing processes, and keeping production running efficiently.

This is a hands-on role with real growth opportunity in a fast-paced manufacturing environment.

Overview

The Process Technician is responsible to ensure the molding process is being run as per processing requirements. This position requires excellent troubleshooting and mold setup skills. Can assist and coordinate daily activities of production workers engaged in operating plastic molding equipment that produce plastic molded parts. This position requires interaction with the other Shift Supervisors and Mold Techs/leads, excellent troubleshooting skills, a thorough knowledge of the various equipment, resins and their characteristics.

What You’ll Do

  • Start up and troubleshoot injection molding presses
  • Optimize processes for quality, cycle time, and scrap reduction
  • Perform mold setups and process adjustments
  • Support production teams and operators during shift
  • Troubleshoot molding defects and equipment issues
  • Ensure presses run to approved process sheets and quality standards
  • Work closely with supervisors, mold techs, quality, and maintenance team
  • Support continuous improvement and Lean manufacturing initiatives

What We’re Looking For

Required

  • 2+ years of plastic injection molding process technician experience
  • Strong troubleshooting and mold setup skills
  • Experience with injection molding machines and auxiliary equipment
  • Ability to identify and correct molding defects
  • Knowledge of resins and processing fundamentals
  • Stable work history and team-oriented attitude

Preferred

  • Scientific molding experience
  • Lean Manufacturing / Kaizen experience
  • Six Sigma knowledge
  • Experience in ISO 9001 or AS9100 environments

Equipment You’ll Work With

Experience with any of the following is highly valued:

  • Toyo
  • Milacron
  • Toshiba
  • Arburg
  • Engel
  • Husky
Benefits
  • - 401(k)- Dental insurance- Flexible spending account- Health insurance- Life insurance- Paid time off- Tuition reimbursement- Vision insurance- Shift differential- Growth opportunity- We continue to grow!

Why Join Us?

Competitive Pay

Shift Differential

Medical, Dental & Vision Insurance

401(k)

Paid Time Off

Tuition Reimbursement

Stable Full-Time Position

Career Growth Path

Growing Company with Long-Term Opportunity

RJG training

automation/robots

You should be proficient in:

  • Troubleshooting Skills
  • 5 Why (Root Cause Analysis Method)
  • Manufacturing Instruction (MI)
  • Production Optimization
  • Lean Manufacturing Principles
  • Six Sigma Experience
  • ISO 9001 Certification Experience
  • Injection Molding Experience
  • AS9100 Experience
  • Tool/Die/Mold Setup Experience
  • Root Cause Analysis
  • Process Development

Machines & technologies you'll use:

  • Injection Molding Machine (Toyo, Milacron, Toshiba, Arburg, Engel, Husky, Nissei)
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