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Injection Molding Internship Jobs (NOW HIRING)

Nifco America Corp.

Be Seen First

New Model Quality Engineer

Shelbyville, KY · On-site

$60K - $75K/yr

... This internship provides an exciting opportunity to gain hands-on experience in the automotive industry, focusing on quality assurance processes within plastic injection molding. You will work ...

Medtronic

PD Program Manager

Lafayette, CO

$163K - $204K/yr

Lead the design and development of precision components for Injection Molding, Extrusion, and CNC ... Regular employees are those who are not temporary, such as interns. Temporary employees are ...

Bio-Techne

Staff Mechanical Engineer

San Jose, CA · On-site

$152K - $250K/yr

... injection molding, extrusion, sheet metal, etc.). * Possess deep knowledge of mechanical ... internship programs, and more. * We offer employee resource groups, volunteer paid time off ...

Bio-Techne

Staff Mechanical Engineer

San Jose, CA · On-site

$152K - $250K/yr

... injection molding, extrusion, sheet metal, etc.). * Possess deep knowledge of mechanical ... internship programs, and more. * We offer employee resource groups, volunteer paid time off ...

Medtronic

PD Program Manager

Lafayette, CO

$163K - $204K/yr

Lead the design and development of precision components for Injection Molding, Extrusion, and CNC ... Regular employees are those who are not temporary, such as interns. Temporary employees are ...

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Injection Molding Internship information

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$31K

$89.4K

$118K

How much do injection molding internship jobs pay per year?

As of Jun 21, 2026, the average yearly pay for injection molding internship in the United States is $89,430.00, according to ZipRecruiter salary data. Most workers in this role earn between $80,500.00 and $104,500.00 per year, depending on experience, location, and employer.

What is an Injection Molding Internship?

An Injection Molding Internship is a temporary position, often for students or recent graduates, that provides hands-on experience working with plastic injection molding processes in a manufacturing environment. Interns typically learn about machine operation, mold setup, troubleshooting, quality control, and safety protocols. This internship helps participants develop practical skills and gain insight into the manufacturing industry, preparing them for future careers as injection molding technicians, engineers, or related roles.

What is the difference between Injection Molding Internship vs Injection Molding Technician?

AspectInjection Molding InternshipInjection Molding Technician
Required CredentialsTypically pursuing or recent graduate in engineering or manufacturingVocational training or technical certification, some experience
Work EnvironmentLearning-focused, supervised, entry-levelHands-on, operational, maintenance-focused
Employer & Industry UsageInternships offered by manufacturing companies for trainingFull-time role in plastic manufacturing plants

In summary, an Injection Molding Internship is a training position for students or recent graduates gaining industry experience, while an Injection Molding Technician is a full-time role responsible for operating and maintaining molding equipment. Internships serve as a stepping stone toward technician roles in the plastic manufacturing industry.

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

To thrive as an Injection Molding Intern, you need a basic understanding of manufacturing processes, mechanical aptitude, and relevant coursework in engineering or plastics technology. Familiarity with injection molding machines, CAD software, and safety protocols is often expected, along with a willingness to learn specific industry certifications. Strong problem-solving skills, attention to detail, and effective communication help interns stand out in a team-oriented production environment. These competencies are critical for ensuring product quality, minimizing downtime, and supporting efficient, safe manufacturing operations.

What are some common challenges faced by interns during an injection molding internship, and how can they overcome them?

Injection molding interns often encounter challenges such as learning to operate complex machinery, understanding quality control standards, and troubleshooting minor production issues. Adjusting to a fast-paced manufacturing environment can also be demanding. To overcome these challenges, interns are encouraged to ask questions, seek mentorship from experienced technicians, and actively participate in hands-on training. Demonstrating initiative and a willingness to learn can help interns quickly build technical skills and confidence in the role.
More about Injection Molding Internship jobs
What cities are hiring for Injection Molding Internship jobs? Cities with the most Injection Molding Internship job openings:
What are the most commonly searched types of Injection Molding jobs? The most popular types of Injection Molding jobs are:
What states have the most Injection Molding Internship jobs? States with the most job openings for Injection Molding Internship jobs include:
What job categories do people searching Injection Molding Internship jobs look for? The top searched job categories for Injection Molding Internship jobs are:
Injection Molding Internship jobs near you
Infographic showing various Injection Molding Internship job openings in the United States as of June 2026, with employment types broken down into 14% As Needed, 72% Full Time, and 14% Part Time. Highlights an 85% Physical, 1% Hybrid, and 14% Remote job distribution, with an average salary of $89,430 per year, or $43 per hour.

Intern, Mechanical Engineer (Fall term)

Heron Power Electronics Company

Scotts Valley, CA • On-site

$24.25 - $32.75/hr

Full-time

Posted 20 days ago

Job description

What to Expect
Heron Power is a startup company building cutting-edge power electronics for the 21st-century grid. We aim to debottleneck the growth of electricity generation and consumption with scalable, innovative, and less costly hardware solutions, accelerating the electrification of everything.
Our first goal is to build better converters (inverters & rectifiers) to connect large-scale renewables, storage, and loads to the grid. Heron Power's leadership team is made up of seasoned veterans who have designed and shipped gigawatts of power conversion products over the past decade.
We understand that no one individual knows everything. We will all learn a lot together and from each other. We strive to build a collaborative, enriching environment conducive to personal, technical, and career growth. You can expect to work in a dynamic and collaborative environment, driven by first principles engineering, solving difficult problems.
Job Overview
As a Mechanical Engineer Intern, you will work alongside a team of experienced engineers to design, develop, and validate cutting-edge medium-voltage power electronics systems. You will design a wide range of associated parts and assemblies using a first principles design approach. Your role will involve performing a variety of tasks, including CAD, analysis, prototyping, testing, and hands-on work. You will collaborate closely with electrical, test, and manufacturing engineering teams, as well as external suppliers.
This internship is ideal for students passionate about mechanical design and electronics who are excited to build scalable, efficient, and reliable energy systems that will shape the future of the grid.
Note that this is for the Fall term, typically starting in August or September and running through December or longer.
How You Will Contribute
  • Design parts and assemblies for power converters, such as enclosures, plastics, heatsinks, insulators, transformers, connectors, PCBAs, bolted joints, and adhesive joints
  • Employ manufacturing processes such as fastening, sheet metal bending, stamping, injection molding, diecasting, extruding, and dispensing
  • Design with a first principles approach, optimizing parts through analysis (e.g. structural, thermal, tolerance)
  • Create 3D designs and 2D drawings using CATIA V6/3DX
  • Perform hands-on work such as prototyping and testing
  • Collaborate with different engineering disciplines, including mechanical, electrical, manufacturing, and reliability teams, as well as external partners and suppliers
  • Own parts and assemblies from initial concept to high volume production

What You Will Bring
We have a short list of must-have requirements. We prioritize a strong grip on first principles, hands-on skills, and a sense of initiative. Domain-specific knowledge and experience will help determine the career level for each hire.
Must-Have Requirements
  • Currently pursuing a Bachelor's, Master's, or PhD in Mechanical Engineering, Mechatronics, or a related field (and will maintain student status throughout the duration of the internship)
  • Strong history of designing mechanical parts or assemblies through individual or group projects (recommend showcasing examples of past work with a website or PDF portfolio)
  • Proficiency with at least one 3D CAD program (bonus if there is experience with CATIA V6/3DX)
  • Strong engineering fundamentals including a basic understanding of electronics
  • Familiarity with a first principles design approach
  • Excellent communication and interpersonal skills
  • Ability to work independently and as part of a team
  • Strong problem-solving skills and attention to detail

Nice-to-Haves
  • Prior internship, co-op, or research experience in mechanical design or validation.
  • Experience with high volume manufacturing and processes such as fastening, sheet metal bending, stamping, injection molding, diecasting, extruding, and dispensing
  • Experience with PCBAs, connectors, fuses, and other electronic components
  • Experience designing outdoor-rated industrial enclosures
  • Experience with FEA, CFD, multi-physics modeling, or associated software (Ansys, MATLAB, Python, Simulink, StarCCM, etc.)
  • Experience with GD&T and tolerance analysis
  • Experience with reliability and validation testing, as well as DFMEAs
  • Experience with product lifecycle management (PLM) and controlled release processes
  • Experience with medium voltage (34.5kV) or grid-related products, such as converters, switchgear, circuit breakers, insulation, and shielding

If you are passionate about technology and enjoy working in a fast-paced environment, we would love to hear from you. Join us in accelerating the electrification of everything at Heron Power.

Apply