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Plastic Injection Molding Process Engineer Jobs in Chicago, IL

JST Corporation

Molding Process Technician

Waukegan, IL

$30 - $32/hr

This position requires advanced technical knowledge of injection molding processes, tooling, and ... Sample new molds and plastic resins * Use RJG to establish and validate molding processes * Perform ...

JST GROUP

Molding Process Technician

Waukegan, IL · On-site

$30 - $32/hr

This position requires advanced technical knowledge of injection molding processes, tooling, and ... Sample new molds and plastic resins * Use RJG to establish and validate molding processes * Perform ...

Hoffer Plastics

Process Engineer

South Elgin, IL · On-site

$85K - $115K/yr

Hoffer Plastics is hiring for " Process Engineer ", " 1st shift ". Starting Pay $85k - $115K (based ... Review part and mold designs from an injection molding and Design for Manufacturing (DFM ...

Hoffer Plastics

Process Engineer

South Elgin, IL · On-site

$85K - $115K/yr

Hoffer Plastics is hiring for " Process Engineer ", " 1st shift ". Starting Pay $85k - $115K (based ... Review part and mold designs from an injection molding and Design for Manufacturing (DFM ...

Hoffer Plastics

Process Engineer

South Elgin, IL · On-site

$85K - $115K/yr

Hoffer Plastics is hiring for " Process Engineer", "1st shift". Starting Pay $85k - $115K (based on ... Review part and mold designs from an injection molding and Design for Manufacturing (DFM ...

Hoffer Plastics

Process Engineer

South Elgin, IL

$85K - $115K/yr

Hoffer Plastics is hiring for " Process Engineer ", " 1st shift ". Starting Pay $85k - $115K (based ... Review part and mold designs from an injection molding and Design for Manufacturing (DFM ...

Hoffer Plastics

Process Engineer

South Elgin, IL · On-site

$85K - $115K/yr

Hoffer Plastics is hiring for " Process Engineer ", " 1st shift ". Starting Pay $85k - $115K (based ... Review part and mold designs from an injection molding and Design for Manufacturing (DFM ...

Koch Industries

Molding Technician

Lisle, IL · On-site

$25 - $34/hr

Mold parts using plastic injection processes and take direct responsibility for handling tooling ... Technical diploma or related Engineering degree. * Knowledge of risk mitigation and continuous ...

Just In Time Staffing LLC

Be Seen First

Process Technician

Streamwood, IL · On-site

$26 - $28/hr

... plastics manufacturer in the Northwest Chicago suburbs is hiring experienced Injection Molding ... Interpret molding graphs and process data when diagnosing production issues. * Assist engineering ...

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Showing results 21-40

All JobsPlastic Injection Molding Process Engineer JobsPlastic Injection Molding Process Engineer Jobs in Chicago, IL

Plastic Injection Molding Process Engineer information

See Chicago, IL salary details

$51K

$94.8K

$146.8K

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

As of Sep 2, 2026, the average yearly pay for plastic injection molding process engineer in Chicago, IL is $94,792.00, according to ZipRecruiter salary data. Most workers in this role earn between $76,700.00 and $106,100.00 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.

What are popular job titles related to Plastic Injection Molding Process Engineer jobs in Chicago, IL?

For Plastic Injection Molding Process Engineer jobs in Chicago, IL, the most frequently searched job titles are:

What job categories do people searching Plastic Injection Molding Process Engineer jobs in Chicago, IL look for?

The top searched job categories for Plastic Injection Molding Process Engineer jobs in Chicago, IL are:

Plastic Injection Molding Process Engineer jobs near you
Infographic showing various Plastic Injection Molding Process Engineer job openings in Chicago, IL as of August 2026, with employment types broken down into 88% Full Time, 6% Contract, and 6% Nights. Highlights an 100% In-person job distribution, with an average salary of $94,792 per year, or $45.6 per hour.

2nd shift Process Technician

LKA & Associates LLC

Schaumburg, IL • On-site

Full-time

Posted 27 days ago

Job description

Key Responsibilities:

  • Mold setups and teardowns, machine startups/shutdowns, assist with maintenance duties, and troubleshoot molding processes within established and monitored parameters. 
  • Document process settings and assist with approved process changes.
  • Minimize production scrap rates and downtime through efficient troubleshooting and maintenance efforts.
  • Assist in training operators and molding personnel on standard operating procedures.
  • Assist with automation integration and auxiliary equipment setup.
  • Support engineering and maintenance teams during equipment & process troubleshooting.

Required Qualifications:

  • 2-5 years of experience in plastic injection molding setup, processing, and troubleshooting.
  • General understanding of scientific molding concepts and injection mold design.
  • Demonstrate mechanical aptitude and the ability to follow company procedures and work instructions.
  • Implement, explain, and defend molding process adjustments
  • Basic proficiency in Microsoft Office – Word, Excel
  • Strong communication skills (both verbal and written).
  • Experience working with robots, EOAT, and automation equipment.
  • Excellent analytical, organizational, and time management skills.
  • Strong math skills and close attention to detail.