Mechanical Engineer

We are seeking a mechanical design engineer to help our San Diego-based start-up company develop future products. The ideal candidate would be an experienced systems engineer that knows how to design products for manufacturing. While previous experience with ergonomics and human factors is preferred, the ability to navigate the unknown and to demonstrate insight very quickly would also serve well. We are looking for a combination of logical and analytical, artistic and intuitive, theoretical and practical.



  • BSME or equivalent

  • 5+ years experience 



  • SolidWorks

  • Systems engineering

  • Plastic injection molded parts

  • Aluminum extrusions, structures and weldments

  • Design for manufacturing

  • Hands-on prototype building and testing



  • Act as lead engineer in the development of new LifeWalker products

  • Perform detail design of parts and assemblies, ready for manufacturing

  • Cooperate with other disciplines from conceptualization through prototyping, testing, improvement and into production

  • Be able to work with minimal supervision


Preferred experience:

  • Medical devices

  • Ergonomics

  • Human factors

  • Wheeled vehicles 


ProtoStar is a start-up company located in San Diego, California.  As such, we prefer local candidates.


If you are interested, please email your resume to

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LifeWalker Mobility Products

Reinventing Assistive Mobility

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LifeWalker and UPWalker are registered trademarks of a ProtoStar, Inc. Patents.