Internship Precision Machining; Sonion NL

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.We are dedicated to enhancing the quality of life for people who rely on hearing products. Are you passionate about making a difference in people’s lives? So are we!

The Sonion Group develops, manufactures, and sells product solutions to customers who manufacture hearing instruments and other acoustic solutions. Sonion Nederland B.V (Sonion NL) is the main R&D center within transducers and modules, but Sonion NL also has sales supportive activities such as Application Engineering, CQS and administrative support functions. Sonion has facilities in Denmark, the Netherlands, Vietnam, the Philippines, USA and China, wherefrom our (more than 6000) colleagues work together across all locations.

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. We offer internship positions every semester in various departments and are always on the lookout for new talent to join our team.

• Turning, Milling, 3D printing
• CAM and CNC machining
• Tool fabrication

• Currently studying Precision Machining or a Mechanical Engineering major with a focus on Precision Machining, preferably in your 3 rd or 4 th year.
• English speaking. Sonion is an international company and with the Hoofddorp office we have colleagues from all over the world. Basic/fluent Dutch is a plus. The supervisors for this function are Dutch speaking.
• CAD experience. Our main CAD package within Sonion is Solid Works. However we also make use of Autodesk Fusion
  360. If you have experience with Inventor, Catia or another CAD package then we can give you the training required to use Solid Works.
• Enjoy working with your hands
• 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.

• Internship starting September 2026 and lasting for 5-6 months with possible extension;
• Your own workspace with all the hardware you will need;
• Compensated travel expenses if you don’t have your Study OV card;
• €605 monthly internship allowance;
• Free parking in our parking lot;
• An office located a 5-minute walk away from Hoofddorp train station.

We offer a professional, supportive environment where you will gain real responsibility and apply your knowledge from day one. You will regularly reflect on your progress with your supervisor. At Sonion, an international and inclusive workplace, connecting with colleagues is easy. Ready to grow your skills? Apply now!

Did this spark your interest? Email us your motivation letter and your CV in English  . Please include your internship dates, type (orientation or graduation), and indicate which project aligns with your studies, skills, and interests.