Senior Operator Proto-lab

Providing tailor-made solutions to support the design process of innovations


Contribute to the innovation and development of new parts and products.
Improve our products by making recommendations on how to improve work processes and actions that lead to these improvements at the product and process level.

Your tasks and responsibilities

  • Assessing the feasibility of the requested task by evaluating achievable dimensions and the possible consequences for the functionality;
  • Creating and testing proto-parts and prototypes using standard and non-standard operations;
  • Identifying and controlling critical product and process parameters;
  • Identifying and solving problems during the proto production;
  • Testing the prototypes for acoustic functionality using the designated measuring equipment;
  • Responsible for carrying out the visual final inspection;
  • Make recommendations based on practical experience in regards to identified problems, in order to achieve improvements at the product and process level;
  • Setting up the workplace by reserving the right equipment and ensuring the right materials and stock management;
  • Compliance with safety regulations applicable to the machinery and working environment.

Your profile

  • MBO working and thinking level, no specific training required
  • Work experience in a (proto) lab environment or in a production environment for very small (electronic) parts is an advantage
  • Experience and/or affinity with working with a microscope
  • Good hand-eye coordination
  • Can-do and hands-on mentality
  • Written and oral proficient in English (and Dutch is an advantage)
  • Customer- and service-oriented and independent working
  • Accurate and attention-to-detail

Equally important to your knowledge and experience is the personality you bring. We need someone who is social, hands-on, proactive, eager to learn and result driven. You can interact effectively with a wide variety of people with different backgrounds.


Sonion improves the quality of life of people using hearing products. We are striving and 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.

Sonion has facilities in Denmark, the Netherlands, Vietnam, the Philippines, Poland, USA and China, wherefrom our (more than 6000) colleagues work together across all locations.

Our offer

We offer a compensation package that matches your qualifications, including a competitive salary, 27 vacation days, 13 rota free days and 8% holiday allowance. But more importantly, Sonion is a working environment that provides you with the opportunity to steadily further develop. We are the leading innovators in our field, and we believe our employees make a difference. Along with your manager you will regularly reflect on and make plans for your development and interests. We are an international and inclusive organization where it is easy to connect with colleagues.

Further information and application

Please submit your application in English by sending an email to Got a prying question? You are welcome to contact Nicky Janmaat-Piepers at for further information about the position.

Please note that as part of the recruitment process we will process your personal data. An assessment and/or reference check may be part of the procedure.

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