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Plastic Injection Molding Machine Operator Jobs in Los Angeles, CA

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 ...

WET Design

Injection Mold Operator

CA · On-site

$20 - $24/hr

... Plastic Injection Molding Machines. Operate 77, 275 and 750 ton machines to produce high quality parts for our proprietary devices. Responsibilities: * Responsible for operating, loading and ...

Partners Personnel

Plastic Molder

Anaheim, CA · On-site

$23 - $28/hr

Catheter Injection Molding * Must have experience with machine operator * Operate and monitor plastic molding machines. * Load materials and remove finished molded parts. * Inspect products for ...

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 ... Repair, maintain, and modify any molds, fixtures, machines, tools, and tooling for the production ...

Ambrit Engineering

Process Technician

Santa Ana, CA · On-site

$28 - $34/hr

We are a growing Southern California plastic injection molding manufacturer seeking experienced ... Can assist and coordinate daily activities of production workers engaged in operating plastic ...

Ambrit Engineering - USA

Process Technician

Santa Ana, CA · On-site

$28 - $34/hr

We are a growing Southern California plastic injection molding manufacturer seeking experienced ... Can assist and coordinate daily activities of production workers engaged in operating plastic ...

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Plastic Injection Molding Machine Operator information

See Los Angeles, CA salary details

$12

$19

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How much do plastic injection molding machine operator jobs pay per hour?

As of Sep 3, 2026, the average hourly pay for plastic injection molding machine operator in Los Angeles, CA is $19.60, according to ZipRecruiter salary data. Most workers in this role earn between $17.60 and $20.96 per hour, depending on experience, location, and employer.

What is a plastic injection molding machine operator?

A Plastic Injection Molding Machine Operator is responsible for setting up, operating, and monitoring injection molding machines used to produce plastic parts. They ensure machines run efficiently, troubleshoot issues, perform quality checks, and maintain a clean work environment. Operators may also adjust machine settings, replace molds, and inspect finished products for defects. Their role is essential in manufacturing industries that produce plastic components for automotive, medical, and consumer goods.

What does a plastic injection molding machine operator do during a typical shift?

As a Plastic Injection Molding Machine Operator, your typical shift will involve setting up and monitoring injection molding machines, inspecting finished products for quality, and performing minor equipment maintenance as needed. You will often work on your feet for extended periods in a manufacturing environment and may rotate between day, evening, or overnight shifts depending on the employer. Teamwork is important, as you'll frequently collaborate with supervisors, quality control personnel, and other machine operators to meet production goals. Staying vigilant and responsive to machine alarms or quality issues is a key part of the daily routine.

What are the key skills and qualifications needed to thrive as a plastic injection molding machine operator?

To thrive as a Plastic Injection Molding Machine Operator, you need a good understanding of machine operation, mechanical aptitude, attention to detail, and a high school diploma or equivalent. Familiarity with industry-standard molding machines, quality inspection tools, and safety protocols, as well as certificates in manufacturing or machine operation, are often advantageous. Strong problem-solving skills, teamwork, and effective communication help individuals excel in this role. These abilities ensure efficient production runs, high-quality products, and a safe, collaborative work environment.

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Plastic Injection Molding Machine Operator jobs near you
Infographic showing various Plastic Injection Molding Machine Operator job openings in Los Angeles, CA as of August 2026, with employment types broken down into 90% Full Time, 2% Part Time, 3% Contract, and 5% Nights. Highlights an 98% In-person, and 2% Remote job distribution, with an average salary of $40,759 per year, or $19.6 per hour.

Injection Molding Machine Operator (Dummy)

ALOIS LLC

Garden Grove, CA • On-site

$16.25 - $21.75/hr

Contractor

Re-posted 17 days ago

Job description

Injection Molding Machine Operator
Location: Garden Grove, CA 92841

Qualifications:

  • Manufacturing experience preferred

  • Ability to read blueprints and work orders

  • Basic measuring and inspection skills

Responsibilities:

  • Operate plastic injection molding machines to produce quality parts

  • Read and follow blueprints, work orders, and customer specifications

  • Monitor machine temperatures and injection pressures

  • Inspect parts and verify machine settings using measuring tools

  • Use micrometers, Vernier calipers, and optical comparators

  • Perform basic preventive maintenance as needed

  • Ensure parts meet quality and drawing specifications