Internship Mechanical Engineering/ Industrial Product Design

Sonion is a global leader in the market for transducers used in the hearing aid and audio industry, and our ambition is to grow from this strong core. Our vision is: We help the world listen.

At Sonion we believe in the importance of investing in new talent. We want to introduce students to an environment where they are given responsibility and the freedom to develop their skills. In Hoofddorp you will join approx. 100 of our colleagues as we design new products for the hearing health and pro audio market. Whether you prefer doing CAD work for injection molded parts, designing tools for new problems that arise during development or helping further our inhouse 3D printing capabilities, Sonion can find a fit for your skillset. We offer internship positions every semester and are always on the lookout for new talent to join our team.

Your tasks and responsibilities will include

  • Designing housings and other plastic components in CAD;
  • Testing and developing tooling;
  • 3D printing prototypes and tooling;
  • Designing new injection molds.

Your profile

  • Currently studying for an engineering degree, Industrial Product Design, Mechanical Engineering or similar;
  • Fluent in English, written and spoken. Sonion is an international company and with the Hoofddorp office we have colleagues from all over the world. Basic/fluent Dutch is a plus;
  • Decent CAD skills. The main CAD package withing Sonion is Solidworks. Knowledge of Autodesk fusion360 and Autodesk Meshmixer are a plus;
  • Basic knowledge of injection molding and 3D printing rules;
  • Proactive and willing to take ownership of responsibilities.

Equally important to your knowledge and experience, are you as a person. We are looking for a person, who is proactive, eager to learn, hands-on and results driven. You can also interact effectively with people from all backgrounds.

Sonion – We help the world listen.

Are you passionate about making a difference in people’s lives? So are we!

We are dedicated to enhancing the quality of life for people who rely on hearing products. Sonion is the preferred innovation partner for development and manufacturing of transducers and electromechanical solutions for hearing instruments and professional earphones.

Sonion is a truly global company with more than 6000 colleagues working together to revolutionize the industry at our facilities in the Netherlands, Denmark, Vietnam, USA, Poland and China.

Our skilled team is constantly pushing the limits of what’s possible, leveraging cutting-edge technology to challenge the laws of physics and create smaller, better and more reliable products and solutions.

Our offer

  • Internship starting August/September 2024;
  • Your own workspace with all the hardware you will need;
  • Compensated travel expenses if you don’t have your Study OV;
  • €500 monthly salary;
  • Flexible workhours;
  • Free parking;
  • An office located a 5-minute walk away from Hoofddorp train station.

Further information and application

Do you study Mechanical Engineering, Industrial Product Design or something similar? Email us your motivation letter, your CV and your portfolio to

If you have questions please reach out to Maika Sylva, Senior Technical Support Engineer

Copyright © Sonion. All Rights Reserved.