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Plastic Injection Molding Engineer Jobs in Illinois

COMPX FORT

CNC Programmer

Grayslake, IL · On-site

$27.38 - $37.21/hr

Develop models and CNC programs for various die cast and plastic injection molding tools. * Develop models and CNC programs for engineering samples and prototype parts. * Work with engineering to 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 ...

OTTO Engineering

Injection Mold Maker

Carpentersville, IL · On-site

$26 - $32/hr

Understanding of Molding tool room equipment. * Knowledge of piece part inspection to quality ... OTTO Engineering is an Equal Opportunity Employer: Disability/Veteran Federal Notices Federal EEOC ...

OTTO Engineering

Injection Mold Maker

Carpentersville, IL · On-site

$26 - $32/hr

Understanding of Molding tool room equipment. * Knowledge of piece part inspection to quality ... OTTO Engineering is an Equal Opportunity Employer: Disability/Veteran Federal Notices Federal EEOC ...

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All JobsPlastic Injection Molding Engineer JobsPlastic Injection Molding Engineer Jobs in Illinois

Plastic Injection Molding Engineer information

See Illinois salary details

$30K

$86.7K

$114.3K

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

As of Sep 4, 2026, the average yearly pay for plastic injection molding engineer in Illinois is $86,659.00, according to ZipRecruiter salary data. Most workers in this role earn between $78,000.00 and $101,300.00 per year, depending on experience, location, and employer.

What does a plastic injection molding engineer do?

A Plastic Injection Molding Engineer is responsible for designing, optimizing, and overseeing the manufacturing process of plastic parts using injection molding machines. They work with product designers to ensure manufacturability, select appropriate materials, develop and troubleshoot molds, and continually improve production efficiency and product quality. Their role also involves monitoring the molding process, solving technical problems, and ensuring compliance with safety and quality standards.

What are the key skills and qualifications needed to thrive as a plastic injection molding engineer?

To thrive as a Plastic Injection Molding Engineer, you need a solid background in materials science, mechanical engineering, and process optimization, typically supported by a relevant engineering degree. Familiarity with CAD software, injection molding simulation tools, and quality management systems like ISO 9001 is essential. Strong problem-solving, attention to detail, and effective communication skills help engineers collaborate with cross-functional teams and troubleshoot complex production issues. These capabilities are crucial to ensuring efficient, high-quality manufacturing and continuous process improvement in plastic injection molding operations.

What are some common challenges faced by plastic injection molding engineers and how can they be addressed?

Plastic Injection Molding Engineers often encounter challenges such as optimizing mold design for manufacturability, resolving defects like warping or incomplete filling, and maintaining consistent product quality. Effective troubleshooting skills, close collaboration with design and production teams, and staying updated with the latest material and technology advancements are key to overcoming these issues. Regular communication with toolmakers and operators also helps in quickly identifying and resolving process inefficiencies, ensuring smooth production runs.

What is the difference between Plastic Injection Molding Engineer vs Plastic Manufacturing Technician?

AspectPlastic Injection Molding EngineerPlastic Manufacturing Technician
CredentialsBachelor's degree in engineering or related field, certifications like CPI or injection molding trainingHigh school diploma or technical training, on-the-job experience
Work EnvironmentDesign, development, process optimization in manufacturing settingsOperate machinery, perform quality checks on the production floor
ResponsibilitiesDesigning molds, process improvement, troubleshooting complex issuesSetting up machines, monitoring production, basic troubleshooting

The Plastic Injection Molding Engineer focuses on designing and optimizing molding processes, requiring specialized engineering knowledge. In contrast, the Plastic Manufacturing Technician handles daily machine operation and quality checks. Both roles are essential in the plastic manufacturing industry but differ in scope and technical requirements.

What are popular job titles related to Plastic Injection Molding Engineer jobs in Illinois?

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

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

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

Plastic Injection Molding Engineer jobs near you
Infographic showing various Plastic Injection Molding Engineer job openings in Illinois as of August 2026, with employment types broken down into 75% Full Time, 22% Part Time, and 3% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $86,659 per year, or $41.7 per hour.

Process Technician- Injection Molding 3rd shift

Wise Plastics Technologies

Saint Charles, IL • On-site

$30 - $35/hr

Full-time

Re-posted 29 days ago

Job description

Description

 About Us
We are a stable, growth-oriented manufacturing company with a strong reputation for treating our employees with respect and investing in their success. Proudly recognized as a Great Place to Work for seven consecutive years, we offer a positive culture, modern technology, and real opportunities for advancement.


Position Summary
We are seeking a skilled Injection Molding Process Technician to join our team. This role is responsible for setting up, optimizing, and troubleshooting injection molding processes while ensuring high-quality production and efficiency in a fast-paced, high-tech environment.


Shift: 10 pm- 6 am (Monday- Friday) occasional overtime 

What We Offer

  • Competitive pay based on experience 
  • Advancement and career growth opportunities 
  • State-of-the-art, high-tech equipment and clean facility 
  • Stable, well-established company with long-term growth

Benefits:

To view our benefits please visit our website www.wiseplastics.com/careers

Wise Plastics Technologies is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.


Requirements

Required Skill/Knowledge:  

  • 2+ years of injection molding processing experience  
  • Strong troubleshooting and root cause analysis skills 
  • Experience working with robotics and automated systems 
  • Knowledge of scientific molding principles 
  • Ability to work independently and in a team environment 
  • Strong attention to detail and commitment to quality

Education Level / Required Certification:

High School Diploma/GED or equivalent


Additional Information:

Frequently required to reach with hands and arms, push, pull, stoop, kneel, crouch, climb, sit, walk, stand or balance and work within tight spaces. Ability to climb stairs and ladders. Must occasionally lift and/or move up to 55 pounds. Exposure to noise and odor of plastic. Exposure to liquid colorants, alcohol, cleaning and slip agents. Requires use of personal protective equipment. Required to operate overhead crane and electric pallet jacks. Overtime as required. Other duties as assigned. 

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