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Injection Molding Machine Operator Jobs in California

Altium Packaging LLC

Machine Operator

Fresno, CA · On-site

$17 - $20/hr

The Machine Operator is also responsible for following our company's Good Manufacturing Practices ... Operate blow-mold/PET/injection molding machines (including wheels, reciprocating or shuttle ...

Altium Packaging LLC

Machine Operator

Fresno, CA · On-site

$17 - $20/hr

The Machine Operator is also responsible for following our company's Good Manufacturing Practices ... Operate blow-mold/PET/injection molding machines (including wheels, reciprocating or shuttle ...

Altium Packaging LLC

Machine Operator-3rd shift

Tracy, CA · On-site

$18.25 - $21.75/hr

The Machine Operator is also responsible for following our company's Good Manufacturing Practices ... Operate blow-mold/PET/injection molding machines (including wheels, reciprocating or shuttle ...

Altium Packaging LLC

Machine Operator-3rd Shift

Tracy, CA · On-site

$18.25 - $21.75/hr

The Machine Operator is also responsible for following our company's Good Manufacturing Practices ... Operate blow-mold/PET/injection molding machines (including wheels, reciprocating or shuttle ...

Consolidated Container

Machine Operator- 2nd Shift

Fresno, CA · On-site

$17 - $20/hr

The Machine Operator is also responsible for following our company's Good Manufacturing Practices ... Operate blow-mold/PET/injection molding machines (including wheels, reciprocating or shuttle ...

Consolidated Container

Machine Operator - 3rd Shift

Tracy, CA · On-site

$18.25 - $21.75/hr

The Machine Operator is also responsible for following our company's Good Manufacturing Practices ... Operate blow-mold/PET/injection molding machines (including wheels, reciprocating or shuttle ...

Altium Packaging LLC

Machine Operator-2nd shift

Tracy, CA · On-site

$18.25 - $21.75/hr

The Machine Operator is also responsible for following our company's Good Manufacturing Practices ... Operate blow-mold/PET/injection molding machines (including wheels, reciprocating or shuttle ...

Consolidated Container

Machine Operator-3rd shift

Tracy, CA

$18.25 - $21.75/hr

The Machine Operator is also responsible for following our company's Good Manufacturing Practices ... Operate blow-mold/PET/injection molding machines (including wheels, reciprocating or shuttle ...

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

Injection Molding Machine Operator information

See California salary details

$11

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

As of Jun 13, 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.

How much do injection molders make?

Injection molding machine operators typically earn between $30,000 and $50,000 annually, depending on experience, location, and the complexity of the equipment operated. Skilled operators with certifications and experience can earn higher wages, especially in manufacturing environments with overtime or shift differentials.

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 is the hourly rate for injection molding?

Injection molding machine operators typically earn between $15 and $25 per hour, depending on experience, location, and the complexity of the equipment. Skilled operators with certifications or specialized training may earn higher wages, especially in manufacturing environments with shift differentials or overtime opportunities.

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 qualifications do you need for injection molding?

Injection molding machine operators typically need a high school diploma or equivalent and should have basic mechanical skills. Prior experience with manufacturing equipment, knowledge of safety procedures, and the ability to read technical diagrams are also important. Some employers may require certification in machine operation or safety training.

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.

Is injection molding a good job?

Injection molding machine operators play a key role in manufacturing by setting up, operating, and maintaining molding equipment. The job often requires attention to detail, technical skills, and adherence to safety protocols, with opportunities for overtime and advancement. It can be a stable career with demand in industries such as automotive, packaging, and consumer goods.
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
Infographic showing various Injection Molding Machine Operator job openings in California as of June 2026, with employment types broken down into 5% As Needed, 81% Full Time, 9% Temporary, and 5% Nights. Highlights an 94% Physical, 1% Hybrid, and 5% Remote job distribution, with an average salary of $37,688 per year, or $18.1 per hour.

Injection Molding Process Technician Experience Needed

Metro Bay Products, Inc

Costa Mesa, CA • On-site

$22.50 - $25/hr

Full-time

Medical, Retirement, PTO

Posted 28 days ago

Job description

Benefits:
  • 401(k)
  • Health insurance
  • Paid time off

Plastic Injection Molding Manufacture in Costa Mesa. One opening 1st shift available.
Injection Molding Setup Experience Needed!
1st Shift: M-F 6:30am - 3:00pm (1/2 hour for lunch, Breaks in between)
Duties Include:
Perform machines startups, mold setups, machine troubleshooting
Mechanically Inclined
Maintain all tooling/inserts
Maintain all auxiliary equipment
Monitor machines controller parameters and adjust as needed
Prep mold bases with appropriate interchangeable inserts
Polish A1 finish when needed
Maintain robots
Attend to machine operators when needed
Inspect quality of parts before start of production
Material handling
Maintain daily machine records
Maintain a clean work station
Mold changes via forklift or crane
Equipment, Toshiba/Navis all electric machines
Organize raw materials
Ability to lift 55 pounds.
Push/slide bases
Must be able to withstand a full shift standing.
Reliable transportation is a must.
Reliable attendance is a must.
Screening Check.
All Training will be from 7:00AM to 3:00PM: M-F.
Operate machines when needed