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Internship Injection Molding Process Engineer Jobs

Marchel Industries Inc.

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Injection Molding Process Technician

Spartanburg, SC · On-site

$55K - $65K/yr

Experience with a wide range of engineering materials and commodity materials is required. Training in RJG or Paulson injection molding processing would be a big plus. Company Description Injection ...

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Internship Injection Molding Process Engineer information

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

As of Jun 27, 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 other jobs can a process engineer do?

A process injection molding engineer can transition into roles such as manufacturing engineer, quality engineer, or production manager, leveraging skills in process optimization, quality control, and machinery operation. They may also pursue positions in plant management or process improvement, often requiring knowledge of lean manufacturing and certifications like Six Sigma. These roles typically involve overseeing production efficiency, implementing process improvements, and ensuring product quality.

What is the role of process engineer in injection molding?

An injection molding process engineer is responsible for developing, optimizing, and maintaining the manufacturing process to produce high-quality plastic parts efficiently. They analyze machine settings, troubleshoot issues, and implement process improvements using tools like statistical process control (SPC) and mold flow analysis. Their role ensures consistent product quality, reduces cycle times, and minimizes defects in the injection molding process.

What are the 4 stages of injection molding?

The four stages of injection molding are clamping, injection, cooling, and ejection. During clamping, the mold halves are held together; injection involves forcing molten material into the mold cavity; cooling solidifies the part; and ejection removes the finished product from the mold. As an injection molding process engineer, understanding these stages is essential for optimizing cycle times and part quality.

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.

How much do injection mold engineers make?

Injection mold process engineers typically earn between $60,000 and $90,000 annually, depending on experience, location, and industry. Entry-level positions may start around $50,000, while experienced engineers with specialized skills can earn over $100,000. Compensation often includes benefits such as health insurance and opportunities for professional development.
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What are the most commonly searched types of Injection Molding Process Engineer jobs? The most popular types of Injection Molding Process Engineer jobs are:
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Internship Injection Molding Process Engineer jobs near you

Process Engineer for Plastic Injection Molding

Mars Plastics

Providence, RI

$45K - $65K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 20 days ago

Job description

Benefits:
  • 401(k) matching
  • Competitive salary
  • Dental insurance
  • Health insurance
  • Opportunity for advancement
  • Paid time off

Company: Mars Plastics Injection Molding
Job Type: Full-Time
About Us:
Mars Plastics is a full-service injection molding facility specializing in high-quality plastic components and custom solutions for a variety of industries. We also manufacture our own line of consumer storage products under the BinCraft brand. With a focus on innovation, efficiency, and customer satisfaction, we're seeking a skilled Process Engineer to join our growing team.
Job Summary:
We are looking for a results-driven Plastic Injection Molding Process Engineer to lead process development, optimization, and troubleshooting within our molding operations. This role is critical in ensuring part quality, improving cycle times, and reducing scrap to support efficient and consistent production.
Key Responsibilities:

  • Develop, document, and optimize injection molding processes for new and existing products
  • Troubleshoot molding issues, including part defects and process deviations
  • Collaborate with tooling, maintenance, quality, and production teams to improve overall efficiency
  • Perform mold trials and validations, including process capability studies
  • Establish and maintain process parameters and setup sheets
  • Identify opportunities for continuous improvement in molding operations
  • Assist with training of machine operators and technicians on best practices
  • Support preventive maintenance programs for injection molds and machines
Qualifications:

  • Associate or Bachelors degree in Engineering, Plastics Technology, or related field preferred
  • 3+ years of hands-on experience with plastic injection molding process engineering
  • Strong knowledge of injection molding machinery, tooling, and materials
  • Proficiency in troubleshooting molding defects and process control
  • Familiarity with scientific molding principles is a plus
  • Ability to read and interpret technical drawings and specifications
  • Excellent communication and teamwork skills
Benefits:

  • Competitive salary based on experience
  • Health, dental, and vision insurance
  • 401(k) with company match
  • Paid vacation and holidays
  • Opportunities for growth and advancement