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Injection Mold Operator Jobs in Missouri (NOW HIRING)

Advastar, Inc

Molding Technician

Kansas City, MO · On-site

$27 - $35/hr

Execute scheduled mold changeovers: pull and set injection molds using an overhead crane, prepare ... operating efficiency * Perform color and order changes, including all required line clearance ...

Advastar, Inc

Molding Technician

Kansas City, MO · On-site

$27 - $35/hr

Execute scheduled mold changeovers: pull and set injection molds using an overhead crane, prepare ... operating efficiency * Perform color and order changes, including all required line clearance ...

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All JobsInjection Mold Operator JobsInjection Mold Operator Jobs in Missouri

Injection Mold Operator information

See Missouri salary details

$11

$17

$23

How much do injection mold operator jobs pay per hour?

As of Jul 27, 2026, the average hourly pay for injection mold operator in Missouri is $17.22, according to ZipRecruiter salary data. Most workers in this role earn between $14.42 and $19.38 per hour, depending on experience, location, and employer.

What is the difference between Injection Mold Operator vs Machine Setter?

AspectInjection Mold OperatorMachine Setter
Primary RoleOperates and monitors injection molding machines to produce plastic partsSets up, adjusts, and maintains machines to ensure proper operation
CredentialsHigh school diploma or equivalent; training on machinerySimilar credentials; technical training or certification often preferred
Work EnvironmentManufacturing plant, repetitive tasks, safety protocolsManufacturing plant, focus on machine setup and troubleshooting
Industry UsageCommonly used in plastics manufacturingOften overlaps in plastics and manufacturing sectors

While both roles operate within the plastics manufacturing industry, the Injection Mold Operator primarily runs the machines to produce parts, whereas the Machine Setter focuses on preparing and maintaining the equipment. Understanding these distinctions helps in choosing the right career path or job search focus.

What is the typical injection molding salary?

The average salary for an injection mold operator in the United States ranges from $30,000 to $50,000 per year, depending on experience, location, and certifications. Skilled operators with experience in setting up and maintaining injection molding machines can earn higher wages, especially in manufacturing hubs or with specialized tools knowledge.

What are Injection Mold Operators?

Injection Mold Operators are skilled workers who operate and monitor machines that mold plastic parts and products by injecting molten material into a mold. Their responsibilities include setting up the injection molding machines, ensuring the molds are correctly installed, monitoring production for quality and safety, and performing routine maintenance. They play a critical role in manufacturing industries that produce plastic components for automotive, medical, consumer goods, and other sectors.

What are some common challenges faced by Injection Mold Operators, and how can they be addressed?

Injection Mold Operators often encounter challenges such as maintaining consistent product quality, troubleshooting machine malfunctions, and managing tight production schedules. To address these issues, operators must be detail-oriented, proactive in performing regular equipment checks, and communicate effectively with maintenance and quality assurance teams. Continuous training on new machinery and techniques also helps operators stay up-to-date and minimize downtime or defects, contributing to a more efficient workflow.

Is injection molding a good career?

Injection mold operators play a key role in manufacturing by setting up, operating, and maintaining injection molding machines. The job often requires technical skills, attention to safety, and sometimes certifications, with opportunities for advancement in manufacturing industries. It can offer stable employment and competitive wages for those with relevant experience and training.

What is the hourly rate for injection molding?

Injection mold operators typically earn between $15 and $25 per hour, depending on experience, location, and the complexity of the molds they work with. Skilled operators with certifications or specialized training may earn higher wages. Wages can also vary based on the industry and company size.

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

To thrive as an Injection Mold Operator, you need a solid understanding of manufacturing processes, mechanical aptitude, and typically a high school diploma or equivalent. Experience with injection molding machines, knowledge of quality control systems, and sometimes certifications like RJG or Paulson are valuable. Attention to detail, problem-solving, and effective communication help operators address issues quickly and maintain productivity. These skills ensure efficient production, minimize defects, and contribute to a safe and high-quality manufacturing environment.

What qualifications do you need for injection molding?

Injection mold operators typically need a high school diploma or equivalent, along with mechanical aptitude and attention to detail. Relevant skills include understanding of machinery, safety procedures, and sometimes certification in equipment operation or safety standards. Prior experience or training in manufacturing or plastics processing is often preferred.
What cities in Missouri are hiring for Injection Mold Operator jobs? Cities in Missouri with the most Injection Mold Operator job openings:
What are popular job titles related to Injection Mold Operator jobs in MO? For Injection Mold Operator jobs in MO, the most frequently searched job titles are:
Injection Mold Operator jobs near you
Infographic showing various Injection Mold Operator job openings in Missouri as of July 2026, with employment types broken down into 1% As Needed, 88% Full Time, 6% Part Time, 1% Temporary, 2% Contract, and 2% Nights. Highlights an 94% Physical, 3% Hybrid, and 3% Remote job distribution, with an average salary of $35,821 per year, or $17.2 per hour.
Injection Molding Operator

Injection Molding Operator

Staffing Synergies

Saint Louis, MO

$15.50 - $20.75/hr

Full-time

Posted 24 days ago

Job description

Injection Molding Operator / Technologist (Husky Specialist)

We are seeking highly skilled Operators and Technologists to join our production team. This role is specifically designed for technical experts with a deep understanding of Husky Injection Molding systems and the nuances of PET Preform production.

If you have a proven track record of managing high-cavitation molds and high-speed production environments, we want to hear from you.

Core Responsibilities & Technical Skills

Your primary focus will be the seamless operation, maintenance, and optimization of our Husky fleet. We are looking for candidates who are "hands-on" and proficient in:

  • Machine Operation: Expert-level capability in starting and stopping machines from a "cold" state, ensuring all parameters are stabilized.

  • Process Optimization: Monitoring and adjusting processing variables to ensure cycle times and part quality meet strict specifications.

  • Tooling & Changeovers: Executing efficient Tool Changes and Color Changes to minimize downtime.

  • Maintenance & Reliability: * Performing routine cleaning and maintenance of both machines and moulds.

    • Applying TPM (Total Productive Maintenance) principles to improve machine uptime.

  • Troubleshooting: Advanced Fault Finding skills to diagnose and resolve mechanical, electrical, or process-related issues quickly.

Candidate Requirements

  • Specific Equipment Experience: Significant experience with Husky NexPet and HyPet platforms is highly preferred.

  • High Cavitation Expertise: Proven experience working with moulds ranging from 48 to 128 cavities.

  • Industry Knowledge: Deep understanding of PET resin behavior and preform quality standards.

  • Bonus Skills: Any additional certifications in robotics, hot runner maintenance, or lean manufacturing will be considered a significant advantage.

Why Join Us?

We offer a technical environment where your expertise with industry-leading machinery is valued. You will work with the latest Husky technology and play a critical role in our production efficiency and quality control.

Competitive Salary-depending on experience.