Senior Application Engineer

Providing tailor-made solutions to meet our customer’s needs.

As Application Engineer you are responsible for guiding your customer through the design-in process from technical perspective. You provide your customer with quick and professional advice and translate their needs and ideas into internal product specifications. The support is given from the initial inquiry throughout the full project execution, with key focus on the design in process. Together with your customers you zoom in on their needs and work together to define the best solutions for future applications, using both existing products as well as new technologies on the roadmap.


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 600) Sonion employees work together across all the locations.

Your tasks and responsibilities

You are the main technical interface between Sonion and Customer on R&D side. You provide technical customer advice and promote Sonion’s product portfolio and upcoming developments. To define the best solutions, you focus on understanding and aligning technical requirements.

You provide technical consultation to our customers regarding product application, and invite Sonion experts when going more in depth. During the start-up and project execution, you coordinate internally with project teams and management to ensure the best offering and customer touch.

Your profile

You have a strong customer and service orientation and a strong technical basis (electronics, mechanics or physics) on Bachelor or Master level. You are excellent in communication and coordination, and are able to build and sustain long term trust based relationships. You are capable to track multiple activities in parallel without losing overview. As our customers are located worldwide, you should be available (and enjoy) travelling. 5+ years preferably in a similar role or working in projects with customers would be preferred.

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.

Our offer

Of course we offer a compensation package that matches your qualifications. More importantly, we offer you an international work environment that gives you the opportunity to steadily further develop. We are leading innovators in our field. You will work with different customers on different type products. You and your manager regularly reflect on and make plans for your development and interests. Sonion is an international and inclusive organization where it is easy to connect with colleagues.

Further information and application

You are welcome to contact Monique Bijl-Poeth HR Manager at or at 020-6068100 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.