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Injection Mold Engineer Jobs in California (NOW HIRING)

Ezonyx Bio Technologies

Injection Mold Maker

Brea, CA · On-site

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 ...

Studex

Plastic Injection Mold Maker

Harbor City, CA · On-site

$17.81 - $25/hr

Company: A worldwide provider of injection molding products serving a diverse marketplace is ... and engineering departments. Will provide technical knowledge on fixture and tooling repairs ...

Ambrit Engineering

Mold Maker

Santa Ana, CA

$45 - $48/hr

... injection molds and mold components. * Manufacture mold components including cores, cavities, inserts, slides, lifters, ejector components, and related tooling. * Read and interpret engineering ...

Ambrit Engineering - USA

Mold Maker

Santa Ana, CA · On-site

$45 - $48/hr

... injection molds and mold components. * Manufacture mold components including cores, cavities, inserts, slides, lifters, ejector components, and related tooling. * Read and interpret engineering ...

Talnt

Injection Molding Technician

Woodland, CA · On-site

$30 - $36/hr

Perform mold changes and optimize silicone molding processes to meet production targets. * Adjust ... Collaborate with Engineering, Quality, and Maintenance teams to resolve process deviations.

Applied Medical

Mold Maker

Rancho Santa Margarita, CA · On-site

$25 - $40/hr

Lead and guide the construction of injection molds and research and development components in accordance with engineering drawings, routing sheets, and manufacturing instructions. * Coordinate ...

Cambro

Mold Tool Tech III

Huntington Beach, CA

$21 - $27.50/hr

... Injection Molds * Repair molds with minimal supervision * Read and understand engineering documents * Ability to handle mold safely to ensure safety of personnel, equipment, and tooling * Ability to ...

Applied Medical

Mold Maker

Rancho Santa Margarita, CA

$25 - $40/hr

Lead and guide the construction of injection molds and research and development components in accordance with engineering drawings, routing sheets, and manufacturing instructions. * Coordinate ...

Applied Medical

Mold Maker

Rancho Santa Margarita, CA · On-site

$25/hr

Lead and guide the construction of injection molds and research and development components in accordance with engineering drawings, routing sheets, and manufacturing instructions. * Coordinate ...

Cambro

Mold Tool Tech III

Huntington Beach, CA · On-site

$21 - $27.50/hr

... Injection Molds * Repair molds with minimal supervision * Read and understand engineering documents * Ability to handle mold safely to ensure safety of personnel, equipment, and tooling * Ability to ...

SMP Engineering

Mold Maker

Glendale, CA · On-site

$40 - $45/hr

Build, modify, repair, and maintain injection molds to extremely tight tolerances. * Interpret and work from detailed engineering drawings, CAD models, and specifications. * Perform precision ...

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All JobsInjection Mold Engineer JobsInjection Mold Engineer Jobs in California

Injection Mold Engineer information

See California salary details

$30.6K

$88.3K

$116.5K

How much do injection mold engineer jobs pay per year?

As of Jul 18, 2026, the average yearly pay for injection mold engineer in California is $88,258.00, according to ZipRecruiter salary data. Most workers in this role earn between $79,400.00 and $103,100.00 per year, depending on experience, location, and employer.

What are some typical challenges Injection Mold Engineers face when managing new mold development projects?

Injection Mold Engineers often encounter challenges such as balancing tight production deadlines with the need for precise mold design and quality assurance. Coordinating with cross-functional teams—including design, manufacturing, and quality control—can require strong communication and project management skills. Additionally, troubleshooting unexpected issues during mold testing and addressing design modifications are common, making adaptability and problem-solving crucial for success in this role.

What does an Injection Mold Engineer do?

An Injection Mold Engineer is responsible for designing, developing, and maintaining molds used in the injection molding process to create plastic parts and components. They work closely with product designers and manufacturing teams to ensure molds are efficient, durable, and produce high-quality products. Their duties include overseeing mold fabrication, troubleshooting defects, optimizing mold performance, and implementing improvements. Injection Mold Engineers play a key role in ensuring production runs smoothly and meets quality standards.

What is the difference between Injection Mold Engineer vs Tooling Engineer?

AspectInjection Mold EngineerTooling Engineer
Primary FocusDesign, develop, and optimize injection molds for manufacturingDesign, build, and maintain manufacturing tools and equipment
Skills & CertificationsMechanical engineering, CAD, mold design certificationsMechanical engineering, CAD, tooling certifications
Work EnvironmentPlastic manufacturing plants, R&D labsManufacturing facilities, tool shops
Industry UsageAutomotive, consumer goods, electronicsAutomotive, aerospace, industrial equipment

Both roles require mechanical engineering knowledge and CAD skills, often sharing certifications. Injection Mold Engineers focus on mold design and optimization for plastic parts, while Tooling Engineers handle the broader scope of manufacturing tools and equipment. They often work together in manufacturing settings, but their core responsibilities differ in scope and focus.

What are the key skills and qualifications needed to thrive as an Injection Mold Engineer, and why are they important?

To thrive as an Injection Mold Engineer, you need expertise in mold design, material science, and manufacturing processes, typically supported by a degree in mechanical engineering or a related field. Familiarity with CAD software (such as SolidWorks or AutoCAD), mold flow analysis tools, and knowledge of industry standards like ISO or Six Sigma certification are commonly required. Strong problem-solving skills, attention to detail, and effective communication help you collaborate with cross-functional teams and address production challenges. These competencies ensure high-quality, efficient mold production and contribute to minimizing defects and downtime in manufacturing operations.
What are popular job titles related to Injection Mold Engineer jobs in California? For Injection Mold Engineer jobs in California, the most frequently searched job titles are:
What job categories do people searching Injection Mold Engineer jobs in California look for? The top searched job categories for Injection Mold Engineer jobs in California are:
Injection Mold Engineer jobs near you
Infographic showing various Injection Mold Engineer job openings in California as of July 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $88,258 per year, or $42.4 per hour.

Injection Mold Maker

Ezonyx Bio Technologies

Brea, CA • On-site

Full-time

Re-posted 18 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.

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