... molding department * Conduct complicated mold maintenance as needed * T/R housekeeping, keep machine centers and personal tools orderly * Notify manager or project manager of any materials or tools ...
... molding department * Conduct complicated mold maintenance as needed * T/R housekeeping, keep machine centers and personal tools orderly * Notify manager or project manager of any materials or tools ...
Injection Mold Maker
Brea, CA · On-site
... molding department * Conduct complicated mold maintenance as needed * T/R housekeeping, keep machine centers and personal tools orderly * Notify manager or project manager of any materials or tools ...
Injection Mold Maker
Brea, CA · On-site
... molding department * Conduct complicated mold maintenance as needed * T/R housekeeping, keep machine centers and personal tools orderly * Notify manager or project manager of any materials or tools ...
Mold Maker
Santa Ana, CA · On-site
$45 - $48/hr
... volume injection molding environment. This position requires expertise in precision machining ... The ideal candidate will possess strong toolmaking skills and hands-on experience operating manual ...
Quick apply
Mold Maker
Santa Ana, CA · On-site
$45 - $48/hr
... volume injection molding environment. This position requires expertise in precision machining ... The ideal candidate will possess strong toolmaking skills and hands-on experience operating manual ...
Mold Maker
Santa Ana, CA · On-site
$45 - $48/hr
... volume injection molding environment. This position requires expertise in precision machining ... The ideal candidate will possess strong toolmaking skills and hands-on experience operating manual ...
Quick apply
Mold Maker
Santa Ana, CA · On-site
$45 - $48/hr
... volume injection molding environment. This position requires expertise in precision machining ... The ideal candidate will possess strong toolmaking skills and hands-on experience operating manual ...
Press Operator - Injection
Ontario, CA · On-site
$20 - $23/hr
Become part of our great team as a Press Operator - Injection. Primary Responsibilities * Follows ... Molds parts using an injection molding press * Changes molding conditions if required * Returns ...
Press Operator - Injection
Ontario, CA · On-site
$20 - $23/hr
Become part of our great team as a Press Operator - Injection. Primary Responsibilities * Follows ... Molds parts using an injection molding press * Changes molding conditions if required * Returns ...
Press Operator - Injection
Ontario, CA · On-site
$20 - $23/hr
Become part of our great team as a Press Operator - Injection. Primary Responsibilities * Follows ... Molds parts using an injection molding press * Changes molding conditions if required * Returns ...
Press Operator - Injection
Ontario, CA · On-site
$20 - $23/hr
Become part of our great team as a Press Operator - Injection. Primary Responsibilities * Follows ... Molds parts using an injection molding press * Changes molding conditions if required * Returns ...
Tool Maker
Beaumont, CA · On-site
$29 - $32/hr
Summary Responsible for maintaining all injection molding machines tools, auxiliary mold equipment ... Help with internal tooling * Assist production as a set-up mechanic or machine operator/grinder as ...
Quick apply
Tool Maker
Beaumont, CA · On-site
$29 - $32/hr
Summary Responsible for maintaining all injection molding machines tools, auxiliary mold equipment ... Help with internal tooling * Assist production as a set-up mechanic or machine operator/grinder as ...
Tool Maker
$20 - $32/hr
Summary Responsible for maintaining all injection molding machines tools, auxiliary mold equipment ... Help with internal tooling * Assist production as a set-up mechanic or machine operator/grinder as ...
Quick apply
Tool Maker
$20 - $32/hr
Summary Responsible for maintaining all injection molding machines tools, auxiliary mold equipment ... Help with internal tooling * Assist production as a set-up mechanic or machine operator/grinder as ...
Manufacturing Operator
Irvine, CA · On-site
$20 - $22/hr
Get an inside look at what it's like to be a Manufacturing Operator at Glidewell! This short video ... mills, injection molding machines, furnaces, ovens, mixers, and surface grinders. Utilizes hand ...
Manufacturing Operator
Irvine, CA · On-site
$20 - $22/hr
Get an inside look at what it's like to be a Manufacturing Operator at Glidewell! This short video ... mills, injection molding machines, furnaces, ovens, mixers, and surface grinders. Utilizes hand ...
Mold Maker
$25 - $40/hr
Experience operating or supporting CNC machining equipment. * Background in manufacturing processes such as machining, injection molding, extrusion, and stamping. * Experience supporting medical ...
Mold Maker
$25 - $40/hr
Experience operating or supporting CNC machining equipment. * Background in manufacturing processes such as machining, injection molding, extrusion, and stamping. * Experience supporting medical ...
Mold Maker
Rancho Santa Margarita, CA · On-site
$25 - $40/hr
Experience operating or supporting CNC machining equipment. * Background in manufacturing processes such as machining, injection molding, extrusion, and stamping. * Experience supporting medical ...
Mold Maker
Rancho Santa Margarita, CA · On-site
$25 - $40/hr
Experience operating or supporting CNC machining equipment. * Background in manufacturing processes such as machining, injection molding, extrusion, and stamping. * Experience supporting medical ...
Mold Maker
Rancho Santa Margarita, CA · On-site
$25/hr
Experience operating or supporting CNC machining equipment. * Background in manufacturing processes such as machining, injection molding, extrusion, and stamping. * Experience supporting medical ...
Mold Maker
Rancho Santa Margarita, CA · On-site
$25/hr
Experience operating or supporting CNC machining equipment. * Background in manufacturing processes such as machining, injection molding, extrusion, and stamping. * Experience supporting medical ...
Toolmaker
Beaumont, CA · On-site
$28 - $40/hr
Perform preventive maintenance on injection molds. * Diagnose and repair mold-related issues ... Proficient operating manual machine shop equipment including: * Lathe * Milling machine * Surface ...
Quick apply
Toolmaker
Beaumont, CA · On-site
$28 - $40/hr
Perform preventive maintenance on injection molds. * Diagnose and repair mold-related issues ... Proficient operating manual machine shop equipment including: * Lathe * Milling machine * Surface ...
Process Tech III
Foothill Ranch, CA · On-site
RJG Scientific Injection Molding training or certification. * CNC machining knowledge or certification. * Experience with Arburg touch screen injection molding machines and dual injection molding ...
Process Tech III
Foothill Ranch, CA · On-site
RJG Scientific Injection Molding training or certification. * CNC machining knowledge or certification. * Experience with Arburg touch screen injection molding machines and dual injection molding ...
RJG Scientific Injection Molding training or certification. * CNC machining knowledge or certification. * Experience with Arburg touch screen injection molding machines and dual injection molding ...
RJG Scientific Injection Molding training or certification. * CNC machining knowledge or certification. * Experience with Arburg touch screen injection molding machines and dual injection molding ...
RJG Scientific Injection Molding training or certification. * CNC machining knowledge or certification. * Experience with Arburg touch screen injection molding machines and dual injection molding ...
RJG Scientific Injection Molding training or certification. * CNC machining knowledge or certification. * Experience with Arburg touch screen injection molding machines and dual injection molding ...
Maintenance Technician
Pomona, CA · On-site
$32 - $34/hr
... plastic injection molding equipment and other industrial machinery. The ideal candidate is ... operating at peak performance, we encourage you to apply today. As part of our promise to talent ...
Maintenance Technician
Pomona, CA · On-site
$32 - $34/hr
... plastic injection molding equipment and other industrial machinery. The ideal candidate is ... operating at peak performance, we encourage you to apply today. As part of our promise to talent ...
Encapsulation Machine Operator
Brea, CA · On-site
$17/hr
Encapsulation Machine Operator (Entry Level). Basic As an Encapsulation Machine Operator, you will ... Disassemble and reassemble equipment i.e. perform mold changes. * Verification of equipment ...
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Encapsulation Machine Operator
Brea, CA · On-site
$17/hr
Encapsulation Machine Operator (Entry Level). Basic As an Encapsulation Machine Operator, you will ... Disassemble and reassemble equipment i.e. perform mold changes. * Verification of equipment ...
Electro-Mechanical Technician
Fontana, CA · On-site
$34 - $42/hr
Unlike conventional manufacturing environments with separate roles for operators, maintenance, and ... injection molding equipment (approx. 600-ton Husky machines). * Handle changeovers, setups, and ...
Quick apply
Electro-Mechanical Technician
Fontana, CA · On-site
$34 - $42/hr
Unlike conventional manufacturing environments with separate roles for operators, maintenance, and ... injection molding equipment (approx. 600-ton Husky machines). * Handle changeovers, setups, and ...
Oakley - Mold Tech II
Foothill Ranch, CA · On-site
$28.81 - $42.53/hr
Reduce machine downtime. * Maintain all tools and equipment that are used including the daily ... Injection Molding process Experience * Toolmaker/Mold Maker Journeyman certification preferred
Oakley - Mold Tech II
Foothill Ranch, CA · On-site
$28.81 - $42.53/hr
Reduce machine downtime. * Maintain all tools and equipment that are used including the daily ... Injection Molding process Experience * Toolmaker/Mold Maker Journeyman certification preferred
Injection Molding Machine Operator information
See Riverside, CA salary details
$12.54 - $13.82
1% of jobs
$13.82 - $15.09
7% of jobs
$15.09 - $16.37
16% of jobs
$16.43 is the 25th percentile. Wages below this are outliers.
$16.37 - $17.65
21% of jobs
The median wage is $18 / hr.
$17.65 - $18.92
19% of jobs
$18.92 - $20.20
8% of jobs
$20.75 is the 75th percentile. Wages above this are outliers.
$20.20 - $21.48
7% of jobs
$21.48 - $22.75
5% of jobs
$22.75 - $24.03
5% of jobs
$24.03 - $25.31
5% of jobs
$25.31 - $26.58
5% of jobs
$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?
| Aspect | Injection Molding Machine Operator | Plastic Molding Technician |
|---|---|---|
| Credentials | High school diploma, on-the-job training | High school diploma, technical training or certification |
| Work Environment | Factories, manufacturing plants | Factories, manufacturing plants |
| Job Focus | Operating and monitoring machines | Maintaining, troubleshooting, and setting up molds |
| Industry Usage | Common in plastics manufacturing | Common 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.
Full-time
Re-posted 7 days ago
Job description
Company Description
EZONYX BIO TECHNOLOGIES, INC. IS A FULL-SERVICE BIOPLASTICS COMPANY THAT SPECIALIZES IN SUSTAINABLE PRODUCT INNOVATION AND THE MANUFACTURING OF PROPRIETARY BIOPOLYMER RESINS, PROVIDING COMPREHENSIVE DESIGN AND DEVELOPMENT SOLUTIONS FOR COMPANIES SEEKING ALTERNATIVES TO CONVENTIONAL PLASTICS.
Job Description
Plastic Injection Mold Maker (Los Angeles)
EZONYX BIO TECHNOLOGIES, Inc
We are a dynamic technology start-up currently developing more than 100 innovative products and inventions with multiple utility patents field with USPTO.
We are seeking an experienced plastic injection mold maker to join our engineering team in the research, development, optimization and launch of biodegradable and compostable plastics. 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-tuning and repairing injection molds.
Essential Duties and Responsibilities:
- Competent, safe operation of manual milling machines and lathes
- Programming, set-up and operation CNC milling machines, CNC WEDM machines (Charmilles and Sodick), CNC Die sinking EDM machines, Manual EDM machines, saws, surface grinders
- 3 axis and 5 axis CNC operation
- Interpret customer-supplied parts, drawings, and computer files
- Mold layout, including materials, gates, vents, parting lines, overall size, shrinkage, heat transfer
- Utilize any/all machine centers to achieve desired results
- Fabricate high-quality injection molds
- Meeting schedule commitments (on-time build)
- Fine-tune molds based on feedback from molding department
- Repair molds based on feedback from molding department
- Conduct complicated mold maintenance as needed
- T/R housekeeping, keep machine centers and personal tools orderly
- Notify manager or project manager of any materials or tools required
- Participate in corrective / preventive action reviews (assist production in troubleshooting)
PLEASE SUBMIT CURRENT RESUME AND COVER LETTER AND LET US KNOW HOW YOU CAN BENEFIT THE COMPANY WITH YOUR SKILLSET.
Compensation:
Salary bonus based on Performance
Qualifications
Essential Duties and Responsibilities:
- Competent, safe operation of manual milling machines and lathes
- Programming, set-up and operation CNC milling machines, CNC WEDM machines (Charmilles and Sodick), CNC Die sinking EDM machines, Manual EDM machines, saws, surface grinders
- 3 axis and 5 axis CNC operation
- Interpret customer-supplied parts, drawings, and computer files
- Mold layout, including materials, gates, vents, parting lines, overall size, shrinkage, heat transfer
- Utilize any/all machine centers to achieve desired results
- Fabricate high-quality injection molds
- Meeting schedule commitments (on-time build)
- Fine-tune molds based on feedback from molding department
- Repair molds based on feedback from molding department
- Conduct complicated mold maintenance as needed
- T/R housekeeping, keep machine centers and personal tools orderly
- Notify manager or project manager of any materials or tools required
- Participate in corrective / preventive action reviews (assist production in troubleshooting)
Additional Information
All your information will be kept confidential according to EEO guidelines.