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Plastic Injection Molding Process Engineer Jobs in Chicago, IL

Sunstar

Sr Process Injection Molding Technician

Schaumburg, IL · On-site

$24.50 - $29.50/hr

... injection molding and vision-based camera inspection system processes are stable, capable, and ... Engineering & Validation Support Essential Job Functions: ~ 60% • Execute machine, mold, and ...

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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 Jul 18, 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 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 Chicago, IL 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 $94,792 per year, or $45.6 per hour.
Injection Molding Process Technician (3rd Shift)

Injection Molding Process Technician (3rd Shift)

MATRIX PLASTIC PRODUCTS, INC

Bloomingdale, IL • On-site

$33.30 - $42.10/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 14 days ago

Job description

Description:

Matrix Plastic Products is a quality-driven custom manufacturer of ultra-precise plastic components and subassemblies for medical devices and other mission-critical applications. Our specialties are plastic injection molding, mold making, and assembly. Founded in 1978, we are a company that continues to grow rapidly, offering a generous benefits package, rewarding career challenges, and a collaborative team environment for motivated and conscientious individuals who enjoy working together to ensure products of exceptional quality.


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.
  • Identify opportunities to improve process consistency and efficiency,
  • Assist in continuous improvement initiatives throughout the department.
Requirements:

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).
  • Reliability and a strong work ethic.

Preferred Qualifications:

  • Experience working with robots, EOAT, and automation equipment.
  • Excellent analytical, organizational, and time management skills.
  • Strong math skills and high attention to detail.
  • Logical and critical thinking skills
  • Ability to work with limited direction
  • Good interpersonal and communication skills

Benefits:

  • 401(k)
  • 401(k) matching
  • Dental insurance
  • Health insurance
  • Health savings account
  • Life insurance
  • Paid time off
  • Vision insurance
  • Accident insurance
  • Disability insurance

Physical Demands / Working Conditions:

  • Safety: Must be aware of and adhere to all company safety policies
  • Hands-on Equipment Interaction: Must be able to frequently position self to set up, operate, and troubleshoot injection molding machines, robots, and auxiliary equipment.
  • Facility Mobility: Ability to move throughout the manufacturing facility to effectively support production operations across all shifts.
  • Technical Dexterity: Requires the mechanical aptitude to manipulate tools and perform precise adjustments on plastic injection molds and related machinery.
  • Communication & Mentoring: Must be able to accurately exchange technical information and provide clear instructions when training or mentoring molding personnel.
  • Industrial Environment: Work is performed in a manufacturing environment, which includes regular exposure to moving mechanical parts and typical machine shop hazards

Employment Verification:

Matrix participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.


EOE, including disability/vets


Location:

The company is moving from Wood Dale, IL, to Bloomingdale, IL (100%) by the end of 2026.


Pay:

$33.30 - $42.10 per hour (Depending on experience)


Schedule:

11:30PM - 8AM (3rd Shift Starts the week on Sunday evenings, and concludes on Friday mornings). Some weekend opportunities may also be available.