ZipRecruiter

Log In

1

Plastic Injection Molding Jobs in Rancho Cucamonga, CA

Honor Plastics & Molding

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 ...

Honor Plastics & Molding

Process Engineer

Pomona, CA · On-site

$85K/yr

The process technician must have a good fundamental knowledge of the injection molding process, raw material, test methods, processing controls, and secondary equipment. This position directly ...

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 ...

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 ...

VPET USA LLC

QC Manager

Fontana, CA · On-site

... Plastic injection molding experience desirable, preferably in a multi-plant environment • ASQ Certified Quality Engineer, Quality Auditor, Quality Manager and/or Six Sigma green/black belt ...

Kirkhill Inc.

Project Engineer

Brea, CA · On-site

Experience with injection molded plastic components.Proficiency in 3D CAD software (SolidWorks, CATIA, or equivalent).Ability to create and interpret detailed 2D engineering drawings and GD&T.Strong ...

VPET USA, LLC

QC Manager

Fontana, CA

... Plastic injection molding experience desirable, preferably in a multi-plant environment • ASQ Certified Quality Engineer, Quality Auditor, Quality Manager and/or Six Sigma green/black belt ...

Kirkhill Inc.

Project Engineer

Brea, CA

Experience with injection molded plastic components. * Proficiency in 3D CAD software (SolidWorks, CATIA, or equivalent). * Ability to create and interpret detailed 2D engineering drawings and GD&T.

Kirkhill Inc.

Project Engineer

Brea, CA · On-site

$110K - $140K/yr

Experience with injection molded plastic components. * Proficiency in 3D CAD software (SolidWorks, CATIA, or equivalent). * Ability to create and interpret detailed 2D engineering drawings and GD&T.

Kelly Services

Machine Operator

Baldwin Park, CA

$18.75/hr

Operate injection molding and assembly equipment; training is provided * Collect and inspect products to ensure they meet quality standards * Assemble and package small plastic parts * Follow work ...

safariland

Product Designer

Ontario, CA

Design injection molded and thermo-formed plastic components with emphasis on moldability, manufacturability and efficiency for assembling of finished goods * Supply technical drawings and 3 ...

safariland

Product Designer

Ontario, CA

Design injection molded and thermo-formed plastic components with emphasis on moldability, manufacturability and efficiency for assembling of finished goods * Supply technical drawings and 3 ...

Honor Plastics & Molding

Purchasing Officer

Pomona, CA · On-site

$25 - $30/hr

Must have experience in the field of injection Molding and Plastic Physical Requirements: * Sit, stand, and walk for long period of time. * Ability to move around an office environment and on the ...

Honor Plastics & Molding

Purchasing Officer

Pomona, CA · On-site

$25 - $30/hr

Must have experience in the field of injection Molding and Plastic Physical Requirements: * Sit, stand, and walk for long period of time. * Ability to move around an office environment and on the ...

previous pagenext page

Showing results 21-40

All JobsPlastic Injection Molding JobsPlastic Injection Molding Jobs in Rancho Cucamonga, CA

Plastic Injection Molding information

See Rancho Cucamonga, CA salary details

$12

$18

$26

How much do plastic injection molding jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for plastic injection molding in Rancho Cucamonga, CA is $18.76, according to ZipRecruiter salary data. Most workers in this role earn between $15.72 and $21.11 per hour, depending on experience, location, and employer.

What is plastic injection molding?

Plastic injection molding is a manufacturing process used to produce parts by injecting molten plastic material into a mold. The process involves melting plastic pellets, injecting the liquid into a custom-designed mold cavity, and then cooling the material until it solidifies into the final shape. This method is widely used due to its ability to produce high volumes of identical parts with complex shapes and fine details. It's commonly used in industries such as automotive, consumer goods, electronics, and medical devices.

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

To thrive as a Plastic Injection Molding Technician, you need a solid understanding of manufacturing processes, mechanical aptitude, and familiarity with material properties, usually supported by a high school diploma or technical certification. Proficiency in using injection molding machines, process control software, and quality inspection tools is essential. Attention to detail, problem-solving skills, and effective communication help you stand out in this role. These skills ensure the efficient production of high-quality parts, minimize downtime, and maintain safety and productivity on the manufacturing floor.

What are some common challenges faced by plastic injection molding technicians, and how can they be addressed?

Plastic Injection Molding Technicians often encounter challenges such as machine downtime, material inconsistencies, and maintaining product quality. Addressing these requires strong troubleshooting skills, attention to detail, and good communication with maintenance and quality control teams. Proactively inspecting equipment, adhering to preventive maintenance schedules, and collaborating closely with engineers help minimize defects and ensure efficient production. Continuous learning and staying updated with new molding technologies also support long-term success in this role.

What is the difference between Plastic Injection Molding vs Plastic Mold Designer?

AspectPlastic Injection MoldingPlastic Mold Designer
Primary RoleManufactures plastic parts by injecting molten plastic into moldsDesigns and develops molds used in plastic injection molding processes
Required SkillsMachine operation, material knowledge, quality controlCAD design, mold design, engineering principles
Work EnvironmentFactories, manufacturing plantsDesign studios, engineering offices
CertificationsMachine operation, safety certificationsCAD software certifications, engineering credentials

While Plastic Injection Molding involves the actual manufacturing of plastic parts, Plastic Mold Designers focus on creating the molds used in this process. Both roles are essential in the plastic manufacturing industry, with overlapping skills in engineering and design, but they differ in daily tasks and work environments.

What are popular job titles related to Plastic Injection Molding jobs in Rancho Cucamonga, CA?

For Plastic Injection Molding jobs in Rancho Cucamonga, CA, the most frequently searched job titles are:

What job categories do people searching Plastic Injection Molding jobs in Rancho Cucamonga, CA look for?

The top searched job categories for Plastic Injection Molding jobs in Rancho Cucamonga, CA are:

What cities near Rancho Cucamonga, CA are hiring for Plastic Injection Molding jobs?

Cities near Rancho Cucamonga, CA with the most Plastic Injection Molding job openings:

Plastic Injection Molding jobs near you
Infographic showing various Plastic Injection Molding job openings in Rancho Cucamonga, CA as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 14% Part Time, 1% Contract, and 2% Nights. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $39,026 per year, or $18.8 per hour.

Tool Room Machinist

Honor Plastics & Molding

Pomona, CA • On-site

$22 - $25/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 25 days ago

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

Apply