INTERNSHIP DETAILS

Mechanical Design Engineer-Summer Internship

CompanyJOHNSON HEALTH TECH TRADING INC
LocationVillage of Cottage Grove
Work ModeOn Site
PostedApril 3, 2026
Internship Information
Core Responsibilities
The intern will assist in the design, development, and testing of fitness equipment through the full product lifecycle. They will collaborate with cross-functional teams to create CAD models, perform engineering analysis, and support manufacturing processes.
Internship Type
full time
Company Size
434
Visa Sponsorship
No
Language
English
Working Hours
40 hours
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About The Company
Johnson Health Tech is among the world’s largest and fastest-growing fitness equipment manufacturers and is home to some of the most respected brands in the fitness industry, including Matrix, Vision and Horizon. The company manufactures a wide assortment of fitness equipment for both commercial and residential use, including treadmills, elliptical trainers, exercise bikes, and strength training equipment. Based just outside Madison, Wisconsin, our North American office houses our US business operations, plus global marketing, product design, research and development, and select quality responsibilities. Johnson Fitness & Wellness, our retail store division, has over 100 retail showrooms, and we operate an advanced strength production facility near Milwaukee, with East Coast, Central and West Coast warehouses.
About the Role

Description


Position Overview:

Under the direction of the Innovation Product Manager, we are seeking a motivated Mechanical Design Engineer Intern to support the development of innovative fitness equipment and training systems. This role provides hands-on experience in product design, prototyping, testing, and manufacturing support. The intern will collaborate with engineers, industrial designers, and manufacturing teams to help design safe, durable, and ergonomic strength and conditioning equipment used by athletes, gyms, and consumers worldwide.


This internship offers exposure to the full product development lifecycle—from concept development and CAD modeling to prototyping, testing, and design validation.


Responsibilities:


Mechanical Design & Development

· Assist in the design and development of strength training equipment, cardio machines, and accessory components.

· Create and modify 3D CAD models, assemblies, and detailed drawings using software such as SolidWorks, Creo, or similar CAD tools.

· Develop design concepts, perform tolerance analysis, and create parametric models for new and existing products.

· Support design improvements focused on durability, safety, manufacturability, and cost efficiency.

· Prototyping & Testing

· Participate in prototype fabrication, assembly, and testing of new fitness equipment.

· Assist with mechanical testing including load testing, fatigue testing, and safety verification.

· Document test results and recommend design improvements based on findings.


Engineering Analysis

· Perform basic engineering calculations related to loads, stress, motion, and structural performance.

· Assist with finite element analysis (FEA) simulations to validate design concepts.

· Support failure analysis and root cause investigations for product improvements.


Manufacturing Support

· Work with manufacturing and production teams to ensure designs are optimized for fabrication and assembly.

· Help create engineering drawings, BOMs (Bills of Materials), and assembly documentation.

· Support vendor communication and part sourcing when needed.

  

Cross-Functional Collaboration

 Collaborate with industrial design, marketing, and product management teams to meet product requirements.

· Participate in design reviews and brainstorming sessions.

· Provide documentation updates within engineering data management systems.


Marginal Job Functions:

· Other projects as needed.

Requirements

Education:

· Currently pursuing a bachelor’s or master’s degree in mechanical engineering or related field

· Experience with 3D CAD software (SolidWorks, Creo, Inventor, or similar)


Experience:

· Basic knowledge of mechanical design principles

· Understanding of engineering drawings and GD&T fundamentals

· Strong problem-solving and analytical skills

· Ability to work in a team-oriented environment

· Strong communication and documentation skills


Benefits:

We offer an excellent compensation package and team-oriented work environment with growth opportunities. Some of our outstanding benefits include:

· Health & Dental Insurance

· Company paid Life Insurance

· 401(k)

· Paid Time Off benefits

· Product discounts

· Wellness programs


EOE/M/W/Vet/Disability#ZR
Key Skills
Mechanical designCAD modelingSolidWorksCreoPrototypingMechanical testingFinite element analysisEngineering drawingsGD&TTolerance analysisParametric modelingFailure analysisManufacturing supportBOM managementProblem-solvingAnalytical skills
Categories
EngineeringManufacturingSports & RecreationArt & Design
Benefits
Health InsuranceDental InsuranceLife Insurance401(k)Paid Time OffProduct discountsWellness programs