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Plastic Injection Molding Engineer Jobs in Illinois

Helm Tool

Mold Design Engineer

Schaumburg, IL · On-site

$30 - $40/hr

Understanding the general concept of injection molding including filling, packing, cooling, and part removal. A basic understanding of different plastic materials and their properties. Interpreting ...

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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 Aug 6, 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 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 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 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 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 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 92% Full Time, 2% Part Time, and 6% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $86,659 per year, or $41.7 per hour.

Injection Molding Technician

Aegis Manufacturing & Engineering

Lake Zurich, IL • On-site

$23 - $29/hr

Other

Medical, Retirement

Re-posted 12 days ago

Job description

Confidential Opportunity: Injection Molding Technician

Location: Lake Zurich, IL

Schedule: Monday–Friday | 6:00 AM – 2:30 PM

Pay: $23–$29/hour (based on experience)

Type: Direct Hire

A well-established manufacturer with over 35 years of success is seeking an Injection Molding Technician to join its growing manufacturing team. This company designs and manufactures its products entirely in-house, offering employees the opportunity to work in a highly collaborative, clean, and technologically advanced production environment.

Unlike many manufacturers that outsource plastic components, this facility operates its own injection molding department, producing hundreds of unique parts in a high-mix, low-volume environment. If you enjoy variety in your work, hands-on problem solving, and being part of a close-knit team, this is an excellent opportunity.

Why You'll Want This Opportunity
  • Clean, bright, organized, and climate-friendly manufacturing environment
  • Stable, established company with decades of industry success
  • High-mix production means no repetitive, boring days
  • Opportunity to mentor and support junior team members
  • Excellent benefits package, including 100% employer-paid individual medical insurance
  • 401(k) and comprehensive benefits
  • Fast interview process with quick hiring decisions
Responsibilities
  • Set up and operate injection molding machines
  • Perform mold/tooling changeovers and machine startups
  • Load raw plastic materials into machine hoppers
  • Make process adjustments to maintain part quality
  • Inspect molded components for defects including flash, warpage, discoloration, and short shots
  • Perform basic dimensional inspections using measuring tools
  • Monitor production and troubleshoot molding issues
  • Regrind scrap plastic material for reuse
  • Support and collaborate with junior operators as needed
Qualifications
  • 2+ years of injection molding setup and operating experience
  • Experience performing mold/tooling changeovers
  • Comfortable balancing machine setups with production operation
  • Ability to perform visual and dimensional quality inspections
  • Team-oriented with a willingness to help others
  • High school diploma or equivalent
Preferred Qualifications
  • Experience with Krauss Maffei injection molding machines
  • Basic PLC troubleshooting experience
  • Experience working in a high-mix manufacturing environment
Additional Information
  • Occasional overtime available based on production needs
  • One on-site interview with the hiring team
  • Must be able to successfully pass a background check and pre-employment drug screening, including marijuana.

If you're looking for a stable company that invests in its employees and offers a clean, modern manufacturing environment where your skills can make an immediate impact, we'd love to speak with you.