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Plastic Injection Molding Engineer Jobs in Illinois

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Position : 2nd Shift Foreman - Plastic Injection Molding Pay: $28.00 - $34.00 depending on experience Hours: 2nd shift: 3:45pm - 12:15am, overtime is required (training will be on 1st shift for few ...

Minimum of 2 years of experience in plastic injection molding (preferred) * Experience troubleshooting molding processes and automation equipment * Knowledge of injection molding machines and ...

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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 Jul 30, 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, and why are they important?

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.
Infographic showing various Plastic Injection Molding Engineer job openings in Illinois as of July 2026, with employment types broken down into 92% Full Time, 5% Part Time, and 3% Contract. Highlights an 89% Physical, 4% Hybrid, and 7% Remote job distribution, with an average salary of $86,659 per year, or $41.7 per hour.

Injection Molding Process Technician (2nd Shift)

Matrix Plastic Products

Bloomingdale, IL โ€ข On-site

$30.90 - $39.30/hr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 11 days ago


Job 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:
$30.90 - $39.30 per hour (Depending on experience)
Schedule:
3:30PM - 12AM (Mon-Fri, and occasional weekend opportunities)