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Senior Injection Molding Process Engineer Jobs in Illinois

JST GROUP

Molding Process Technician

Waukegan, IL · On-site

$30 - $32/hr

Molding Process Technician We are seeking an experienced Molding Process Technician to support precision injection molding operations. This role is responsible for setting up, operating, and ...

JST Corporation

Molding Process Technician

Waukegan, IL · On-site

$30 - $32/hr

Molding Process Technician We are seeking an experienced Molding Process Technician to support precision injection molding operations. This role is responsible for setting up, operating, and ...

PeopleShare

Injection Molding Technician

Hebron, IL · On-site

$33 - $34/hr

Injection Molding Technician Hebron, IL 60034 $33- $34/hour 3rd Shift | 5:00 PM - 5:00 AM | 3-4 ... Ensure correct process parameters are established for optimal part quality * Prepare workstations ...

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Senior Injection Molding Process Engineer information

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

To thrive as a Senior Injection Molding Process Engineer, you need a deep understanding of polymer science, mold design, process optimization, and typically a degree in engineering or a related field. Expertise with CAD software, process simulation tools, and familiarity with quality systems like ISO 9001 are commonly required, along with certifications such as RJG or Six Sigma. Strong analytical thinking, problem-solving abilities, and effective communication are essential soft skills for collaborating with cross-functional teams and troubleshooting production issues. These skills ensure efficient production, high-quality output, and continuous improvement in complex manufacturing environments.

What does a senior injection molding process engineer do?

A Senior Injection Molding Process Engineer is responsible for designing, optimizing, and troubleshooting the injection molding process used to manufacture plastic parts. They oversee process improvements, ensure product quality, and collaborate with cross-functional teams to meet production goals. Additionally, they may develop and implement new molding technologies, train staff, and support maintenance of equipment to ensure efficient and reliable operations.

What is the difference between Senior Injection Molding Process Engineer vs Injection Molding Technician?

AspectSenior Injection Molding Process EngineerInjection Molding Technician
CredentialsBachelor's degree in engineering or related field, certifications in process optimizationTechnical diploma or associate degree, on-the-job training
Work EnvironmentDesigning processes, analyzing data, improving production efficiencyOperating machinery, performing setup and maintenance
ResponsibilitiesProcess development, troubleshooting, process validationMachine operation, quality checks, routine maintenance

The Senior Injection Molding Process Engineer focuses on process design, optimization, and troubleshooting, requiring higher-level technical skills and education. In contrast, the Injection Molding Technician handles daily machine operation and maintenance tasks. Both roles are essential in the manufacturing environment but differ in scope and responsibilities.

What are the common challenges faced by senior injection molding process engineers when introducing a new mold into production?

Senior Injection Molding Process Engineers often encounter challenges such as optimizing process parameters for new molds, ensuring part quality meets specifications, and troubleshooting issues like warpage or incomplete filling. Collaboration with design, tooling, and quality teams is essential to address these challenges and implement effective solutions quickly. Additionally, balancing production efficiency with consistent quality requires careful monitoring and adjustment during the initial production runs.
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Senior Injection Molding Process Engineer jobs near you
Infographic showing various Senior Injection Molding Process Engineer job openings in Illinois as of August 2026, with employment types broken down into 80% Full Time, 15% Contract, and 5% Nights. Highlights an 98% In-person, and 2% Remote job distribution.

Injection Molding Process Technician (3rd Shift)

MATRIX PLASTIC PRODUCTS, LLC

Bloomingdale, IL • On-site

$33.30 - $42.10/hr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 18 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.

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