Internship at the Transducer Development Department

Transducers are the main active components in a hearing aid (HA), and their behavior is an important driver of the HA performance. Therefore, a good dynamic model of the transducers is required in order to test HA designs.

This internship aims at reviewing the completeness and quality of the current models-database, and where needed implement modeling techniques (following Sonion documented standards) in order to improve the quality of the models. The major activities in this full-time internship will be to model vibro-acoustic response of Sonion transducers.

  • Duration: 5-6 months, 3-5 days per week.
  • Start date: As soon as possible


Sonion improves the quality of life of people using hearing products. We are committed to be the preferred partner in the development and manufacturing of transducers and electromechanical solutions designed for (professional) use in hearing instruments, in-ear earphones and hearables. Size matters and we constantly challenge the laws of physics for making small and reliable products. Our outstanding competences within customer focused innovation and development and our lengthy experience in efficient manufacturing make us successful and this will be used to expand into new business areas.

Sonion has facilities in Denmark, the Netherlands, Vietnam, the Philippines, Poland, USA and China, wherefrom the (more than 5300) Sonion employees work together across all the locations.

Your profile

  • Knowledge of engineering processes/principles
  • Knowledge of FEM-analysis
  • Ability to write technical documentation
  • Close to get the BSc degree or MSc in Engineering, Mathematics, Physics, or Computer Science
  • Experience with MATLAB and PSpice

We need someone who is hands-on, proactive, eager to learn and result driven. You can interact effectively with a wide variety of people with different backgrounds.

Our offer

Of course, we offer an internship allowance as well as travel reimbursement. More importantly, we offer you a work environment that gives you the opportunity to steadily further develop. During this internship you will be assigned project in which you can show your creativity, you will get a lot of responsibility and chances to use your knowledge in the field. You and your supervisor will regularly reflect on your work. Sonion is an international and inclusive organization where it is easy to connect with colleagues. We also have a great canteen, we offer free fruit and the possibility to join sport activities, of which Sonion pays 50%. So, what are you waiting for? Apply now!

Further information and application

You are welcome to contact Nicky Janmaat-Piepers HR Consultant at or at 020-6068184 for further information about the position. Please send your application in English to

As part of our recruitment process, we will process your personal data, as set out in our Recruitment Privacy Notice. An assessment and reference check will be part of the procedure.

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