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Plastic Injection Molding Process Engineer Jobs (NOW HIRING)

Genuine Search Group

Process Engineer

Saint Paul, MN · On-site

$90K - $110K/yr

Our client is a leader in the Plastic Injection Molding industry specializing in Medical Device and other custom manufactured parts. We are currently looking for a Process Engineer \ Location: St ...

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Plastic Injection Molding Process Engineer information

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$49.5K

$92K

$142.5K

How much do plastic injection molding process engineer jobs pay per year?

As of Jun 21, 2026, the average yearly pay for plastic injection molding process engineer in the United States is $92,018.00, according to ZipRecruiter salary data. Most workers in this role earn between $74,500.00 and $103,000.00 per year, depending on experience, location, and employer.

What does a Plastic Injection Molding Process Engineer do?

A Plastic Injection Molding Process Engineer is responsible for developing, optimizing, and troubleshooting the injection molding process used to manufacture plastic parts. They design process parameters, select appropriate materials, and ensure the quality and efficiency of production. These engineers collaborate with design, production, and quality teams to resolve technical issues, implement process improvements, and maintain consistent product quality.

Do process engineers make a lot of money?

Plastic injection molding process engineers typically earn competitive salaries that vary based on experience, location, and industry. Entry-level engineers may start with lower wages, while experienced professionals with certifications and specialized skills can earn higher compensation, often including benefits and bonuses. Overall, the role offers a solid income potential within manufacturing and engineering fields.

What are some typical challenges faced by Plastic Injection Molding Process Engineers during new product launches?

Plastic Injection Molding Process Engineers often encounter challenges such as optimizing process parameters to achieve consistent part quality and minimizing cycle time during new product launches. They must collaborate closely with design, tooling, and production teams to troubleshoot issues like warping, sink marks, or incomplete fills. Adjusting machines for new molds, validating process stability, and meeting tight deadlines while ensuring customer specifications are met can also be demanding. Strong problem-solving skills and effective communication are essential to navigate these complexities.

What are the key skills and qualifications needed to thrive as a Plastic Injection Molding Process Engineer, and why are they important?

To thrive as a Plastic Injection Molding Process Engineer, you need a solid background in mechanical or manufacturing engineering, with expertise in polymer materials and molding processes, often supported by a relevant engineering degree. Familiarity with CAD software, mold flow simulation tools, and quality management systems like Six Sigma or ISO standards is typically required. Strong problem-solving, analytical thinking, and effective communication skills help engineers optimize processes and work collaboratively with cross-functional teams. These capabilities are crucial for ensuring efficient production, minimizing defects, and meeting quality and safety standards in a highly technical manufacturing environment.

How much do injection mold engineers make?

Injection mold process engineers typically earn between $60,000 and $90,000 annually, depending on experience, location, and industry. Senior engineers or those with specialized skills and certifications can earn higher salaries, often exceeding $100,000. Compensation may also include benefits such as bonuses and health insurance.

What does an injection molding Process Engineer do?

An injection molding Process Engineer is responsible for developing, optimizing, and maintaining the manufacturing processes for plastic injection molding. They analyze mold designs, set machine parameters, troubleshoot production issues, and ensure quality standards are met, often using tools like CAD software and process control charts. Their role helps improve efficiency, reduce defects, and ensure consistent product quality in a manufacturing environment.

What engineers make $500,000?

Senior engineers in specialized fields such as petroleum, aerospace, or software engineering can earn $500,000 or more annually, often through a combination of base salary, bonuses, and stock options. Achieving this level typically requires extensive experience, advanced skills, and sometimes leadership roles or executive responsibilities.
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Plastic Injection Molding Process Engineer jobs near you
Infographic showing various Plastic Injection Molding Process Engineer job openings in the United States as of June 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $92,018 per year, or $44.2 per hour.

Process Engineer for Plastic Injection Molding

Mars Plastics

Providence, RI

$45K - $65K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 14 days ago

Be an early applicant

Job description

Benefits:
  • 401(k) matching
  • Competitive salary
  • Dental insurance
  • Health insurance
  • Opportunity for advancement
  • Paid time off

Company: Mars Plastics Injection Molding
Job Type: Full-Time
About Us:
Mars Plastics is a full-service injection molding facility specializing in high-quality plastic components and custom solutions for a variety of industries. We also manufacture our own line of consumer storage products under the BinCraft brand. With a focus on innovation, efficiency, and customer satisfaction, we're seeking a skilled Process Engineer to join our growing team.
Job Summary:
We are looking for a results-driven Plastic Injection Molding Process Engineer to lead process development, optimization, and troubleshooting within our molding operations. This role is critical in ensuring part quality, improving cycle times, and reducing scrap to support efficient and consistent production.
Key Responsibilities:

  • Develop, document, and optimize injection molding processes for new and existing products
  • Troubleshoot molding issues, including part defects and process deviations
  • Collaborate with tooling, maintenance, quality, and production teams to improve overall efficiency
  • Perform mold trials and validations, including process capability studies
  • Establish and maintain process parameters and setup sheets
  • Identify opportunities for continuous improvement in molding operations
  • Assist with training of machine operators and technicians on best practices
  • Support preventive maintenance programs for injection molds and machines
Qualifications:

  • Associate or Bachelors degree in Engineering, Plastics Technology, or related field preferred
  • 3+ years of hands-on experience with plastic injection molding process engineering
  • Strong knowledge of injection molding machinery, tooling, and materials
  • Proficiency in troubleshooting molding defects and process control
  • Familiarity with scientific molding principles is a plus
  • Ability to read and interpret technical drawings and specifications
  • Excellent communication and teamwork skills
Benefits:

  • Competitive salary based on experience
  • Health, dental, and vision insurance
  • 401(k) with company match
  • Paid vacation and holidays
  • Opportunities for growth and advancement