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$49.5K

$92K

$142.5K

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

As of Jul 13, 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.

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.
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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 July 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.
B or C shift Setup/Process Technician Plastic Injection Molding

B or C shift Setup/Process Technician Plastic Injection Molding

Alliance Precision Plastics

Rochester, NY

$21 - $31/hr

Other

Medical, Life, Retirement

Re-posted 11 days ago

Job description

Description

Alliance is growing! Alliance is a progressive and growing company offering a wide range of challenging employment opportunities i

in the plastics injection molding field. Alliance offers excellent benefits, which include medical, life insurance, 401(k) savings plan and educational assistance programs. Competitive wages and a clean work environment make Alliance Precision Plastics a great place for a career.


Job Duties:

  • Prepares plastic injection molding presses to begin the molding process using various molds and resins.
  • Must be able to perform multiple set-ups as required in a fast-paced work environment, with a high concentration on safety, quality and production schedules.
  • Must be able to work with a variety of presses, including but not limited to Arburg, Engel, Cincinnati, Sumitomo, VanDorn/Demag and Toshiba.
  • Must be familiar with a variety of engineering grade thermoplastic resins.
  • Evening and night shifts available.

Additional information:

  • Pay is based on experience
  • Waiting period may apply for benefits
  • Only full-time employees eligible for benefits

Requirements

  • High school diploma or equivalent
  • 3 years minimum of Injection Molding Machine Set-Up
  • Availability to work evening or night shift
  • Strong time management

Apply