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Plastic Injection Molding Jobs in Rancho Cucamonga, CA

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 ...

Safariland

Product Designer

Ontario, CA · On-site

$70K - $94K/yr

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 ...

Santa Fe Machine Inc

CNC MILL MACHINIST

Fontana, CA · On-site

$22 - $31/hr

The parts manufactured here are referred to as injection molding or extrusion screws. They are used in equipment that manufactures plastic products. These so called screws are either alloy steel ...

Honor Plastics & Molding

Planner

Pomona, CA · On-site

$20 - $24/hr

Ability to do basic math such as add, subtract, divide, and multiply. • Prior Injection Molding experience or planning experience is needed. IQMS (Preferred). Benefits Medical, Dental, Vision, 401K ...

Freudenberg Group

Process Technician

Baldwin Park, CA · On-site

$35 - $40/hr

The incumbent is an experienced, hands-on technician, responsible for supporting injection molding operations, tooling performance, hot runner systems, mold troubleshooting, process stability, and ...

Honor Plastics & Molding

Planner

Pomona, CA · On-site

$20 - $24/hr

Prior Injection Molding experience or planning experience is needed. IQMS (Preferred). Benefits Medical, Dental, Vision, 401K with company match, Life Insurance, PTO, and Holiday Pay.

Honor Plastics & Molding

Planner

Pomona, CA · On-site

$20 - $24/hr

Prior Injection Molding experience or planning experience is needed. IQMS (Preferred). Benefits Medical, Dental, Vision, 401K with company match, Life Insurance, PTO, and Holiday Pay.

Honor Plastics & Molding

Planner

Pomona, CA · On-site

$20 - $24/hr

Ability to do basic math such as add, subtract, divide, and multiply. • Prior Injection Molding experience or planning experience is needed. IQMS (Preferred). Benefits Medical, Dental, Vision, 401K ...

Honor Plastics & Molding

Planner

Pomona, CA · On-site

$20 - $24/hr

Prior Injection Molding experience or planning experience is needed. IQMS (Preferred). Benefits Medical, Dental, Vision, 401K with company match, Life Insurance, PTO, and Holiday Pay.

Honor Plastics & Molding

Planner

Pomona, CA · On-site

$20 - $24/hr

Ability to do basic math such as add, subtract, divide, and multiply. • Prior Injection Molding experience or planning experience is needed. IQMS (Preferred). Benefits Medical, Dental, Vision, 401K ...

Freudenberg

Process Technician

Baldwin Park, CA · On-site

$40/hr

The incumbent is an experienced, hands-on technician, responsible for supporting injection molding operations, tooling performance, hot runner systems, mold troubleshooting, process stability, and ...

Santa Fe Machine

CNC LATHE MACHINIST

Fontana, CA

$22 - $32/hr

The parts manufactured here are referred to as injection molding or extrusion screws. They are used in equipment that manufactures plastic products. These so called screws are either alloy steel ...

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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.

Purchasing Officer

Honor Plastics & Molding

Pomona, CA • On-site

$25 - $30/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 7 days ago

Job description

The Purchasing Officer is responsible for dealing with suppliers and customers including raw material suppliers, packaging suppliers, machinery suppliers, and customers. This position directly reports to VP of Operation .
Duties & Responsibilities:
  • Develop long-term relationships with customers, suppliers, negotiate purchasing, ensure purchasing contracts are executed, and provide quotes to customer projects.
  • Follow raw materials markets, develop purchasing strategies, facilities procurement of supplies is stored, communication and maintain existing customers.
  • Issuing PO to vendors in IQMS, keep track of on- time deliveries, keep score card rating of vendors, purchase raw material base on incoming orders and forecasting.
  • Knowledge of where inventory is kept in warehouse, check inventory levels to meet production schedules and schedule material for weekly delivery to meet demands.
  • Scheduling inputting quote, adding new parts, make Bills of Materials, identify new markets and new potential customers.
  • Purchase equipment, coordinate with outside service, send equipment for repairs, search and purchase obsolete parts to fix equipment.
  • Facilities procurement of supplies, shipping supplies, and office & janitorial supplies.
  • Talk to customer service with customer needs and communicate delivery schedule.
  • Take part in safety committee meeting and maintain ISO 9001 requirement.
  • Perform any other assignments given by VP of Operation & Sales.

Required Knowledge, Skills, & Abilities:
  • Bachelor's degree in business management, administration, engineering, or related field.
  • 5 years of experience as a purchasing/sales manager or in a similar position.
  • Knowledge of inventory and supply chain management.
  • IQMS knowledge will be a plus.
  • Excellent oral & written communication.
  • 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 production floor.
  • Ability to work at a computer workstation.
  • Lift up to 20-25 pounds.
  • Must be able to talk, Listen, and speak clearly.

Training Provided:
  • Safety Trainings
  • IQMS (if needed)

Benefits:
  • Medical, Dental, Vision, 401K with company match, Life Insurance, PTO, and Holiday Pay.

Managing People:
  • No

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