ZipRecruiter

Log In

1

Plastic Injection Molding Process Engineer Jobs (NOW HIRING)

Clayens US LLC

Process Engineer

Greeneville, TN · On-site

$70K - $90K/yr

Plastic Injection Molding Process Engineer Job Summary The Plastic Injection Molding Process Engineer is responsible for developing, optimizing, validating, and sustaining injection molding processes ...

Aerotek

Injection Molding Process Technician

Oceanside, CA · On-site

$35 - $40/hr

... quality plastic parts that meet all specifications. This role focuses on machine setup, process ... Work closely with Quality and Engineering teams to investigate and resolve non-conforming and ...

Röchling Automotive

Process Engineer

Akron, OH · On-site

Professional Summary Experienced Plastic Injection Molding professional with expertise in ... Molding, Process Technician, Process Engineering, Manufacturing Engineering, or similar ...

next page

Showing results 1-20

All JobsManufacturing JobsProduct Manufacturing JobsIndustrial Engineering JobsPlastic Injection Molding Process Engineer Jobs

Plastic Injection Molding Process Engineer information

See salary details

$49.5K

$92K

$142.5K

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

As of Aug 22, 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 the key skills and qualifications needed to thrive as a plastic injection molding process engineer?

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.

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.
More about Plastic Injection Molding Process Engineer jobs

What cities are hiring for Plastic Injection Molding Process Engineer jobs?

Cities with the most Plastic Injection Molding Process Engineer job openings:

What states have the most Plastic Injection Molding Process Engineer jobs?

States with the most job openings for Plastic Injection Molding Process Engineer jobs include:

What job categories do people searching Plastic Injection Molding Process Engineer jobs look for?

The top searched job categories for Plastic Injection Molding Process Engineer jobs are:

Plastic Injection Molding Process Engineer jobs near you
Infographic showing various Plastic Injection Molding Process Engineer job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 16% Part Time, 3% Contract, and 1% Nights. Highlights an 92% Physical, 2% Hybrid, and 6% Remote 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 • On-site

$45K - $65K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 16 days ago

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 Bachelor’s 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