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Internship Plastic Design Jobs (NOW HIRING)

Medtronic

Sr. Engineering Manager

Lafayette, CO

$215K - $256K/yr

Utilize Design for Manufacturing (DFM), Simulation Based Design (SBD), Design for Assembly (DFA ... Utilize Plastic Injection molding and Metal casting, ensuring dimensional accuracy and reducing ...

Medtronic

Sr. Engineering Manager

Lafayette, CO · On-site

$215K - $256K/yr

Utilize Design for Manufacturing (DFM), Simulation Based Design (SBD), Design for Assembly (DFA ... Utilize Plastic Injection molding and Metal casting, ensuring dimensional accuracy and reducing ...

Medtronic

Sr. Engineering Manager

Lafayette, CO · On-site

$215K - $256K/yr

Utilize Design for Manufacturing (DFM), Simulation Based Design (SBD), Design for Assembly (DFA ... Utilize Plastic Injection molding and Metal casting, ensuring dimensional accuracy and reducing ...

ENSCO, Inc.

Mechanical Engineer III

Chantilly, VA

May supervise engineering interns and mentor technical associates Qualifications Required ... Design experience with non-ferrous metals and plastics * Experience with ANSYS simulation software ...

Life Fitness

Mechanical Engineer I

Schaumburg, IL · Hybrid

$66K - $95K/yr

Internship, co-op, or academic project experience involving CAD design * Exposure to plastic component design or consumer product development * Familiarity with PLM systems (e.g., Teamcenter) * Hands ...

GCX

Mechanical Engineer - Entry Level

Petaluma, CA · On-site

$75K - $85K/yr

... plastics, die castings, labels, and sheet metal parts. * Create and revise 3D CAD models ... Internship or professional experience involving supplier management/coordination. * Familiarity ...

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How much do internship plastic design jobs pay per hour?

As of Jul 22, 2026, the average hourly pay for internship plastic design in the United States is $16.33, according to ZipRecruiter salary data. Most workers in this role earn between $14.42 and $19.23 per hour, depending on experience, location, and employer.

What is the difference between Internship Plastic Design vs Plastic Design Engineer?

AspectInternship Plastic DesignPlastic Design Engineer
QualificationsEnrolled in or recent graduate of relevant engineering or design programBachelor's or Master's in Mechanical, Industrial, or Plastic Engineering
Work EnvironmentInternship in design labs or manufacturing settings, supervisedFull-time engineering office or manufacturing plant, responsible for projects
ResponsibilitiesAssisting in design tasks, learning software, supporting projectsDeveloping and optimizing plastic product designs, testing, and analysis

In summary, an Internship Plastic Design is a temporary learning position for students or recent graduates gaining experience, while a Plastic Design Engineer is a full-time professional responsible for designing and developing plastic products in a corporate setting.

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What cities are hiring for Internship Plastic Design jobs? Cities with the most Internship Plastic Design job openings:
What are the most commonly searched types of Plastic Design jobs? The most popular types of Plastic Design jobs are:
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What job categories do people searching Internship Plastic Design jobs look for? The top searched job categories for Internship Plastic Design jobs are:
Internship Plastic Design jobs near you
Infographic showing various Internship Plastic Design job openings in the United States as of July 2026, with employment types broken down into 88% Full Time, 9% Part Time, and 3% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $33,957 per year, or $16.3 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