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Internship Injection Molding Process Engineer Jobs in Trenton, NJ

Genesis Global Group

Injection Molding Mechanic

Bristol, PA · On-site

$21.50 - $28.75/hr

This role is essential to ensuring production runs are processing efficiently according to ... Work from engineering drawings and specifications, quality assurance standards and test procedures

HotRun Inc.

Manufacturing Manager

Philadelphia, PA · On-site

$140K - $170K/yr

Partner with Scheduling, Engineering, Quality, Maintenance and Customer Service to ensure customer ... Solid understanding of injection molding processes, tooling and production operations. * Experience ...

Havis Inc

Setup Technician - Molding

Ivyland, PA · On-site

$24 - $28/hr

Injection Molding Accountability: This position reports to the Production Supervisor ... Start up and process mold according molding data sheet * Wipe molds, blow out water lines, and ...

HotRun Inc.

Manufacturing Manager

Philadelphia, PA · On-site

$140K - $170K/yr

Partner with Scheduling, Engineering, Quality, Maintenance and Customer Service to ensure customer ... Solid understanding of injection molding processes, tooling and production operations. * Experience ...

HotRun Inc.

Manufacturing Manager

Philadelphia, PA

$140K - $170K/yr

Partner with Scheduling, Engineering, Quality, Maintenance and Customer Service to ensure customer ... Solid understanding of injection molding processes, tooling and production operations. * Experience ...

Genesis Global Group

2nd Shift Lead

Bristol, PA · On-site

$13.50 - $16.75/hr

The area of responsibility for this role is wide and thus requires knowledge of various injection molding processes. The ideal candidate must be competent and able to perform many types of ...

Genesis Global Group

3rd Shift Lead

Bristol, PA · On-site

$13.50 - $16.75/hr

The area of responsibility for this role is wide and thus requires knowledge of various injection molding processes. The ideal candidate must be competent and able to perform many types of ...

Genesis Global Group

Be Seen First

3rd Shift Lead

Bristol, PA · On-site

$13.50 - $16.75/hr

The area of responsibility for this role is wide and thus requires knowledge of various injection molding processes. The ideal candidate must be competent and able to perform many types of ...

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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

Injection Molding Process Technician

SOLE HIRE LLC

Ewing, NJ • On-site

$58K - $66K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 23 days ago

Key responsibilities

  • Collaborate with engineering teams to design, develop, and optimize molds and injection molding processes.

  • Conduct mold trials, samplings, and pilot runs to evaluate mold performance and ensure quality standards.

  • Provide leadership and training on injection molding applications and assist in evaluating process improvements.

Job description

About Us

Sole Hire is a Recruiting, HR Consulting, and Candidate Connection firm specializing in a wide range of Human Resources & Talent Management services.

Job Description

Processing Technician – Injection Molding

Location: Ewing, NJ

Industry: Manufacturing

Shift: 3rd Shift (Includes $0.50 Shift Differential)

Compensation: $28 - $32 per hour

Benefits: Medical, Dental, Vision, PTO, 401(k) Plan, Life Insurance, and Career Stability

About the Role:

Sole Hire LLC is proud to partner with a well-established leader in the manufacturing industry to find a skilled Processing Technician. This is a fantastic opportunity to join a dynamic team and contribute to efficient, cost-effective production processes in a growing company.

Position Overview:

The Processing Technician plays a critical role in the injection molding process, focusing on optimizing mold-related operations to improve product quality and production efficiency. You will work closely with engineering teams and provide leadership in mold setup, testing, and process improvements.

Key Responsibilities:

  • Collaborate with Engineering Teams to design and develop new molds, ensuring they meet quality and production specifications.
  • Conduct Mold Trials, Samplings, and Pilot Runs to assess mold performance and quality standards.
  • Establish and Document Injection Molding Processes for new molds and scientific molding opportunities, ensuring process optimization.
  • Provide Detailed Feedback to engineering regarding tooling performance, process conditions, and any areas of improvement.
  • Evaluate Labor Requirements and recommend automation and auxiliary equipment to reduce costs and improve production efficiency.
  • Maintain Accurate Machine Specifications and keep up-to-date molding process files for future reference.
  • Offer Leadership and Training on injection molding applications to help mentor team members and improve production practices.
  • Assist Production and Plant Managers in evaluating supervisor performance from a processing perspective and contribute to team growth.

Requirements

Qualifications & Skills:

  • Proven experience in injection molding and plastics processing.
  • Strong knowledge of mold setup, troubleshooting, and scientific molding.
  • Experience with automation equipment and process optimization.
  • Leadership capabilities, including mentoring and training others on molding processes.
  • Strong attention to detail and ability to maintain accurate records and documentation.

Benefits

Why Join Us?

  • Competitive pay and shift differential.
  • Comprehensive benefits package with medical, dental, and vision coverage, along with PTO, life insurance, and a 401(k) plan (vesting begins on Day 1).
  • Opportunities for career advancement and growth within a respected company in the manufacturing industry.
  • Stable work environment, with low turnover
  • ​Small Team ​environment where everyone helps everyone! 

Company Description

Founded in 2016, Sole Hire believes that “Bridging” the gap between employers and employees is integral to establishing a solid team. Strategic HR Consulting and Smart Recruiting Services provide the necessary tools to foster a beneficial relationship between the two parties. With an organized approach to human resources that emphasizes effective communication, mutual trust, and respect, teams can reach their potential by solving conflicts quickly and addressing everyone's needs. These programs can help strengthen bonds within teams by transforming employer-employee interactions from transactional to relational. As a result, organizations can build teams that meet and exceed expectations in quality performance and collaboration.

Our Mission is to connect qualified candidates to organizations that align with their goals & values.