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Molding Process Engineer

Rochester, NY · On-site

$35 - $40/hr

We are seeking an experienced Molding Process Engineer with expertise in Injection Molding, Extrusion Blow Molding, and Injection Blow Molding to support manufacturing quality initiatives in a highly ...

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How much do internship injection molding process engineer jobs pay per hour?

As of Jun 7, 2026, the average hourly pay for internship injection molding process engineer in the United States is $22.18, according to ZipRecruiter salary data. Most workers in this role earn between $18.27 and $25.96 per hour, depending on experience, location, and employer.

What does an Internship Injection Molding Process Engineer do?

An Internship Injection Molding Process Engineer assists in the design, optimization, and troubleshooting of injection molding processes used to manufacture plastic parts. They work closely with senior engineers to set up and monitor molding machines, analyze process data, and help improve efficiency and product quality. Interns may also be involved in testing materials, supporting quality assurance, and documenting processes. This role provides hands-on experience in a manufacturing environment and helps interns develop technical and problem-solving skills relevant to plastics engineering.

What types of projects and hands-on experiences can an Internship Injection Molding Process Engineer expect during their internship?

As an Internship Injection Molding Process Engineer, you can expect to work on a variety of projects such as optimizing molding parameters, assisting with troubleshooting production issues, and supporting process validation activities. You will likely collaborate closely with experienced engineers, production staff, and quality teams to ensure that molded parts meet specifications. Interns often gain hands-on experience by participating in mold trials, collecting process data, and contributing to continuous improvement initiatives. This role offers a valuable opportunity to develop technical skills in a manufacturing environment and gain insight into the daily challenges of process engineering.

What is the difference between Internship Injection Molding Process Engineer vs Injection Molding Process Engineer?

AspectInternship Injection Molding Process EngineerInjection Molding Process Engineer
Education & CertificationsTypically pursuing or recently completed relevant degree; minimal certificationsBachelor's or higher in engineering; certifications like Six Sigma may be preferred
Work EnvironmentInternship setting, supervised, learning-focusedFull-time professional role, responsible for process optimization
ResponsibilitiesAssisting with process setup, data collection, learningDesigning, implementing, and optimizing injection molding processes

The main difference lies in experience and responsibility level. An internship role is designed for learning and gaining experience, while a full-time injection molding process engineer handles process development and optimization independently.

What are the key skills and qualifications needed to thrive as an Internship Injection Molding Process Engineer, and why are they important?

To thrive as an Internship Injection Molding Process Engineer, you need a solid understanding of polymer science, mechanical engineering principles, and process optimization, typically supported by coursework or a degree in engineering. Familiarity with CAD software, injection molding machinery, and quality control systems is essential, and experience with tools like SolidWorks or AutoCAD is often preferred. Strong analytical thinking, problem-solving, and effective communication skills set candidates apart in this role. These skills and qualities are crucial for ensuring efficient production, high-quality parts, and continual process improvement in a manufacturing environment.
What cities are hiring for Internship Injection Molding Process Engineer jobs? Cities with the most Internship Injection Molding Process Engineer job openings:
What are the most commonly searched types of Injection Molding Process Engineer jobs? The most popular types of Injection Molding Process Engineer jobs are:
What states have the most Internship Injection Molding Process Engineer jobs? States with the most job openings for Internship Injection Molding Process Engineer jobs include:
Internship Injection Molding Process Engineer jobs near you
Process Engineer - Plastic Injection Molding

Process Engineer - Plastic Injection Molding

NOW Hiring Heroes

Rockford, IL

$65K - $70K/yr

Other

Posted 2 hours ago

Job description

Process Engineer - Plastic Injection Molding
Location: On-Site Manufacturing Facility
Employment Type: Full-Time
Compensation: $65k - $70k
Industry: Manufacturing / Plastics / Packaging
Position Overview
A growing manufacturing organization is seeking an experienced Process Engineer with plastic injection molding expertise to support high-volume production operations. This role focuses on developing, optimizing, and troubleshooting injection molding processes to ensure efficient, consistent, and high-quality manufacturing output.
The Process Engineer works closely with process technicians, tooling teams, maintenance, quality, and production leadership to improve cycle times, reduce scrap, increase uptime, and support continuous improvement initiatives.
This position also plays a key role in new product launches, equipment upgrades, and automation integration within a fast-paced manufacturing environment.
Key Responsibilities
Injection Molding Process Development
  • Develop, document, and optimize plastic injection molding processes for new and existing molds
  • Provide technical guidance to process technicians and molding operators
  • Troubleshoot molding defects, process instability, and equipment performance issues
  • Improve cycle times, scrap reduction, and process repeatability
  • Support mold trials, machine startups, and process validation
Manufacturing Process Improvement
  • Analyze production data and implement improvements to increase efficiency and OEE
  • Lead process validation activities including DOE, IQ/OQ/PQ, and capability studies
  • Identify opportunities for cost reduction and manufacturing efficiency
  • Participate in Lean Manufacturing and Six Sigma initiatives
Cross-Functional Collaboration
  • Work closely with tooling, quality, maintenance, and operations teams
  • Support preventive and predictive maintenance strategies
  • Evaluate mold performance and recommend tooling improvements
  • Assist project teams with new product introductions
Automation & Equipment Integration
  • Support integration of molding cells with robotics, vision inspection, and automated packaging systems
  • Assist with installation and commissioning of molding machines and auxiliary equipment
  • Identify automation opportunities to improve production efficiency
Required Qualifications
  • Bachelor's Degree in Plastics Engineering, Mechanical Engineering, Manufacturing Engineering, or related field (or equivalent experience)
  • 5+ years of experience in plastic injection molding manufacturing
  • Experience with high-speed injection molding processes
  • Experience developing scientific molding processes
  • Experience conducting Design of Experiments (DOE)
  • Experience troubleshooting molding processes and mold issues
  • Strong understanding of Statistical Process Control (SPC)
Preferred Qualifications
  • Experience with thin-wall packaging applications
  • Lean Manufacturing or Six Sigma certification
  • Continuous Improvement Green Belt certification
  • Training in Scientific Molding or RJG technology
  • Experience integrating robotics or automated production systems
  • Experience working in regulated manufacturing environments
Technical Skills
  • Knowledge of polypropylene, polyethylene, and other packaging resins
  • Strong understanding of OEE metrics and process improvement
  • Experience performing root cause analysis and process troubleshooting
  • Proficiency with Microsoft Office
  • Familiarity with ERP or MES manufacturing systems
Why This Role
  • Work in a modern manufacturing environment
  • Opportunity to lead process improvement initiatives
  • Exposure to high-speed production and advanced automation
  • Impact production efficiency, quality, and operational performance

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