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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 ...

WET Design

$20 - $24/hr

Injection Mold Operator WET (Design) Sun Valley, California Welcome to WET , the pioneering force behind groundbreaking fountain designs and engineering marvels worldwide, from the Fountains of ...

Posted today

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 ...

M.R. Mold & Engineering

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Associate injection mold designer - Entry Level.

Brea, CA · On-site

$40K - $60K/yr

In this entry-level role, you will work closely with senior designers and engineers to translate product concepts into functional, manufacturable injection mold designs. This position is an excellent ...

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 ... Proficiency with programmable logic controllers (PLCs) for machine automation and troubleshooting.

Professional Search Group - Orange County

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Injection Mold Shop Lead - 3rd Shift

Tustin, CA · On-site

$31 - $35/hr

Troubleshoot engineering issues related to industrial equipment, robotic systems, and manufacturing ... Proven experience in plastics injection molding, blow molding, extrusion, or related plastics ...

Azaaki Solutions

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CNC Mold Programmer - Injection Molds

Foothill Ranch, CA · On-site

$35 - $40.79/hr

Title: MOLD INJECTION III with CNC Programming & Machining Location: 1 Icon, Foothill Ranch, CA 92610. Duration: 6+ months Work Model: (100% Onsite) The pay rate will be $40.79 hour on W2 All ...

New

Real Soft Inc

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Injection Molding Technician

Foothill Ranch, CA · On-site

$40.79/hr

Perform injection mold repair, machining, grinding, maintenance, and inspections. Read and ... Required Qualifications High School Diploma or equivalent. 5+ years of CNC programming and ...

New

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 ...

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 ...

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 ...

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 ...

EssilorLuxottica

Mold Tech III

Foothill Ranch, CA · On-site

$20.75 - $26.75/hr

Technical Trade School * 5+ years of CNC Programming & Machining experience with the majority of this time related specifically to injection molds * Experience in DMG Mori Seki * Experience in ...

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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 Aug 28, 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 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 are the key skills and qualifications needed to thrive as an injection mold engineer?

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 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 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 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 August 2026, with employment types broken down into 87% Full Time, 8% Part Time, and 5% Contract. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution, with an average salary of $88,258 per year, or $42.4 per hour.

Injection Mold Maker

Brea, CA

Ezonyx Bio Technologies
See more jobs at Ezonyx Bio Technologiesexternal

Full-time

Re-posted 29 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.

Apply