ZipRecruiter

Log In

1

Internship Injection Molding Process Engineer Jobs in Trenton, NJ

Aerotek

Extrusion Machine Operator

Hamilton, NJ

$50K - $70K/yr

Experience with injection molding processes. * Experience with blow molding processes. * Ability to safely operate extrusion machines and related production equipment. * Ability to safely operate a ...

Aerotek

Extrusion Machine Operator

Lambertville, NJ · On-site

$50K - $70K/yr

Experience with injection molding processes. * Experience with blow molding processes. * Ability to safely operate extrusion machines and related production equipment. * Ability to safely operate a ...

YO AI Labs

SolidWorks Expert - Remote

Philadelphia, PA · Remote

$40 - $130/hr

... processes including injection molding, sheet metal fabrication, CNC machining, casting, and forging. * Develop and maintain clear engineering documentation to support design revisions and AI model ...

Wood Plc

Senior Process Engineer

Philadelphia, PA · On-site +1

$104K - $135K/yr

Calculating loads for clean utilities and distribution design (water for injection, clean steam ... Coaching and support of other process engineers * Review of submittals and shop drawings * Response ...

Onsite Personnel LLC

Press Operator

Southampton, PA · On-site

$16 - $20.75/hr

Utilizes injection molding machines in the AdvantaFlex mold shop in order to fulfill daily ... Apply skills to solve problems in the manufacturing process. * Show initiative, is punctual and ...

NewAge Industries

Press Operator - Night Shift

Warrington, PA · On-site

$16.25 - $21/hr

Utilizes multiple injection molding presses in a Class VII cleanroom to fulfill the production ... Applies skills to solve problems in the manufacturing process. * Shows initiative, is punctual, and ...

previous pagenext page

Showing results 21-40

All JobsInjection Molding Process Engineer JobsInternship Injection Molding Process Engineer JobsInternship Injection Molding Process Engineer Jobs in Trenton, NJ

Internship Injection Molding Process Engineer information

See Trenton, NJ salary details

$13

$22

$30

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

As of Sep 4, 2026, the average hourly pay for internship injection molding process engineer in Trenton, NJ is $22.24, according to ZipRecruiter salary data. Most workers in this role earn between $18.32 and $26.01 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 are the key skills and qualifications needed to thrive as an internship injection molding process engineer?

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 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.

Internship Injection Molding Process Engineer jobs near you

Skilled Tool & Die Maker

LMT Mercer Group Inc

Lawrenceville, NJ • On-site

$30 - $45/hr

Full-time

Re-posted 9 hours ago

Job description

Job Title: Tool and Die Maker
Job Summary:
We are looking for a highly skilled Tool and Die Maker with a strong background in injection mold building to join our precision manufacturing team. The ideal candidate will have experience fabricating, maintaining, and repairing tools, dies, and molds used in the production of plastic components. This role requires expertise in machining, mold construction, and technical drawing interpretation.
Key Responsibilities:

  • Build, repair, and maintain injection molds used in plastic part production.
  • Read and interpret technical drawings, CAD models, and engineering specifications to fabricate precision tooling.
  • Operate manual and CNC equipment including mills, lathes, grinders, and EDM machines.
  • Collaborate with engineering teams to improve mold designs and manufacturability.
  • Perform changeovers, preventative maintenance, and diagnostics on existing injection molds.
  • Ensure all work meets quality standards and adheres to safety protocols.
Qualifications:
  • Minimum of 5 years of experience in tool and die making, with emphasis on injection molding.
  • Skilled in using hand-fitting techniques to ensure components’ proper assembly and function.
  • Proficient in operating manual and CNC equipment, including mills, lathes, grinders, and Wire/Sinker EDM machines
  • Proficient in reading technical drawings and using precision measuring instruments.
  • Familiarity with the different injection, cooling, and ejection systems common in injection mold designs.
  • Ability to work independently and in a team-oriented environment.
  • Experience in TIG and/or precision laser welding is a plus.
Salary Range - $30 -$45 per hour

Powered by JazzHR

UVZatvUFik