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Plastic Injection Mold Maker Jobs in California (NOW HIRING)

ALOIS LLC

Injection Molding Machine Operator

Garden Grove, CA · On-site

$16.25 - $21.75/hr

Produces quality parts by running plastic injection molding machines, following work orders and blueprints. Monitors process temperatures and injection pressures to detect non-conformances to drawing ...

Ambrit Engineering

Process Technician

Santa Ana, CA

$28 - $34/hr

Join a Growing Injection Molding Team at Ambrit Engineering! We are a growing Southern California plastic injection molding manufacturer seeking experienced Process Technicians with strong ...

medplast

Tooling - Mold Cleaner

Fremont, CA

$21 - $25/hr

The Mold cleaner oversees servicing injection molds after production according to accumulated shots ... Inspects and evaluates wearing, damage or abnormal condition in molds and addresses to tool maker ...

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Plastic Injection Mold Maker information

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How much do plastic injection mold maker jobs pay per hour?

As of Aug 21, 2026, the average hourly pay for plastic injection mold maker in California is $29.82, according to ZipRecruiter salary data. Most workers in this role earn between $27.26 and $33.46 per hour, depending on experience, location, and employer.

What does a plastic injection mold maker do?

As a plastic injection mold maker, your job is to operate and monitor mold machines. This involves setting the machine up, running it, testing molds to ensure they meet specifications, modifying molds as needed, and inspecting finished products. Plastic injection mold makers also use shop equipment and tools to finish molded polymers, perform maintenance on molding machines, select materials to use, and schedule jobs to meet quoted hours and delivery times. Mold makers often supervise assistants as needed, ensure the work area remains clean and free of obstructions, and report any problems to the supervisor. Some companies have plastic injection mold makers work in shifts with machines that are in use both day and night.

What does a plastic injection mold maker do?

A Plastic Injection Mold Maker designs, constructs, and repairs molds used in the plastic injection molding process. They work with detailed blueprints and precise measurements to create molds that shape molten plastic into specific parts or products. This role involves using various tools and machinery, such as lathes, milling machines, and grinders, to ensure molds meet exact specifications. Mold makers also perform maintenance and modifications to improve mold performance and product quality.

What are the key skills and qualifications needed to thrive as a plastic injection mold maker, and why are they important?

To thrive as a Plastic Injection Mold Maker, you need strong mechanical aptitude, precision machining skills, blueprint reading ability, and typically a technical diploma or apprenticeship in mold making or tool and die. Familiarity with CAD/CAM software, CNC machinery, and various measurement tools is essential, along with certifications like Journeyman Toolmaker where applicable. Attention to detail, problem-solving, and effective communication are crucial soft skills to excel in this role. These competencies ensure molds are manufactured to exact specifications, supporting high-quality production and minimizing costly errors in manufacturing environments.

What are some common challenges faced by plastic injection mold makers, and how can they be managed on the job?

Plastic Injection Mold Makers often encounter challenges such as maintaining tight tolerances, troubleshooting defects in molds, and working with complex designs. Managing these issues involves a strong attention to detail, effective use of precision tools, and collaboration with engineers and machine operators. Staying current with new materials and manufacturing technologies also helps Mold Makers address evolving production requirements and minimize downtime.

What is the difference between Plastic Injection Mold Maker vs Tool and Die Maker?

AspectPlastic Injection Mold MakerTool and Die Maker
CredentialsTypically requires vocational training or apprenticeship, certifications varyRequires technical training, often apprenticeship, certifications common
Work EnvironmentManufacturing plants, mold shopsTool and die shops, manufacturing facilities
Industry UsagePlastic molding, manufacturingMetalworking, stamping, manufacturing
Common Search IntentComparison for job roles, skills, and career pathsRelated manufacturing roles, tooling expertise

Plastic Injection Mold Makers and Tool and Die Makers share skills in machining and tooling, often working in similar environments. However, Plastic Injection Mold Makers specialize in creating molds for plastic parts, while Tool and Die Makers focus on metal stamping and die manufacturing. Both roles require technical training and are vital in manufacturing industries.

Do plastic injection mold makers make good money?

Plastic injection mold makers typically earn competitive wages that vary by experience, location, and industry demand. Skilled mold makers with certifications and proficiency in CAD/CAM tools often have higher earning potential, and the job may include benefits such as overtime and union wages in some regions.

How much does a plastic injection mold maker make?

A plastic injection mold maker typically earns between $40,000 and $70,000 annually, depending on experience, skill level, and location. Skilled mold makers with certifications and proficiency in CAD/CAM tools can earn higher wages and may work overtime or in specialized environments.

Is plastic injection mold making a hard job?

Plastic injection mold making is a skilled trade that requires technical knowledge of machining, materials, and precision measurement. It can be physically demanding and often involves working with complex tools and machinery, making it a challenging but rewarding profession for those with attention to detail and problem-solving skills.
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Plastic Injection Mold Maker jobs near you
Infographic showing various Plastic Injection Mold Maker job openings in California as of August 2026, with employment types broken down into 78% Full Time, 20% Part Time, 1% Contract, and 1% Nights. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution, with an average salary of $62,033 per year, or $29.8 per hour.

Injection Molding Machine Operator in Garden Grove, CA

ALOIS LLC

Garden Grove, CA • On-site

$23/hr

Other

Re-posted 15 days ago

Job description

Location: Garden Grove, CA 92841

Shift Time: 5:00AM – 1:30PM, 1PM-9:30 (Overtime Required)

Total Reg Hours: 40.00

Pay:- $23.00/hr. on w2

Position Overview:

We are seeking experienced Injection Molding Machine Operators to join our manufacturing team in Garden Grove, CA. This role is responsible for operating plastic injection molding machines to produce high-quality parts that meet customer specifications. Candidates must be comfortable working in a fast-paced production environment and willing to work overtime, weekends, and holidays as needed.

Key Responsibilities:

  • Read and interpret blueprints and work orders to meet customer specifications
  • Operate plastic injection molding machines to produce quality parts
  • Monitor process temperatures and injection pressures to ensure conformance to specifications
  • Inspect first-run and sample parts to verify machine settings and accuracy
  • Use precision measuring instruments such as:
  • Micrometers
  • Vernier calipers
  • Optical comparator
  • Perform basic preventative maintenance per manufacturer instructions
  • Maintain clean and safe work environment
  • Follow all company safety and quality procedures
  • Perform additional duties as assigned by supervisor

Qualifications:

  • High School Diploma or GED required
  • Manufacturing experience preferred (plastic injection molding experience strongly preferred)
  • Ability to lift and carry up to 35 lbs
  • Strong written and verbal communication skills
  • Ability to work overtime, weekends, and holidays as required
  • Detail-oriented with strong mechanical aptitude