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Injection Molding Machine Operator Jobs in California

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 ...

Talnt

Injection Molding Technician

Woodland, CA

$30 - $36/hr

... up, operating, troubleshooting, and optimizing liquid silicone rubber (LSR) and/or silicone ... ResponsibilitiesSilicone Processing & Machine Setup * Set up and start silicone injection molding ...

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Machine Operator

Temecula, CA · On-site

$22/hr

This role is responsible for operating and monitoring injection molding machines to produce high-quality plastic preforms while ensuring production efficiency and quality standards. The Injection ...

VPET USA LLC

Injection Mold Technician

Fontana, CA · On-site

$22.25 - $29.75/hr

The Injection Molding Technician supports our PET bottle production line. You will be responsible for machine maintenance to include diagnosing, performing preventative and corrective maintenance.

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All JobsInjection Molding Machine Operator JobsInjection Molding Machine Operator Jobs in California

Injection Molding Machine Operator information

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$11

$18

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

As of Jun 8, 2026, the average hourly pay for injection molding machine operator in California is $18.12, according to ZipRecruiter salary data. Most workers in this role earn between $15.19 and $20.38 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an Injection Molding Machine Operator, and why are they important?

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.

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?

AspectInjection Molding Machine OperatorPlastic Molding Technician
CredentialsHigh school diploma, on-the-job trainingHigh school diploma, technical training or certification
Work EnvironmentFactories, manufacturing plantsFactories, manufacturing plants
Job FocusOperating and monitoring machinesMaintaining, troubleshooting, and setting up molds
Industry UsageCommon in plastics manufacturingCommon 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.

What cities in California are hiring for Injection Molding Machine Operator jobs? Cities in California with the most Injection Molding Machine Operator job openings:
What are popular job titles related to Injection Molding Machine Operator jobs in CA? For Injection Molding Machine Operator jobs in CA, the most frequently searched job titles are:
Injection Molding Machine Operator jobs near you

Injection Molding Machine Operator in Garden Grove, CA

ALOIS LLC

Garden Grove, CA • On-site

$23/hr

Other

Posted yesterday

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