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Stäfa, Switzerland
2026-07-17
Sonova
Western Europe
Practical Trainee
Role Description
Who we are
At Sonova, we envision a world where everyone can enjoy the delight of hearing. This vision inspires us and fuels our commitment to developing innovative solutions that improve hearing health and human connection - from personal audio devices and wireless communication systems to hearing aids and cochlear implants. We're dedicated to providing outstanding customer experiences through our global audiological care services, ensuring that everyone has the opportunity to engage fully with the world around them.
Guided by a culture of continuous improvement that fosters resilience and self-motivation, our team is united by a shared commitment to excellence and a deep sense of pride in our work, each of us playing a vital role in creating meaningful change,
Here you’ll find a diverse range of opportunities that span both consumer and medical solutions and the freedom to shape your career while making an impact on the lives of others. Join us in our mission to create a more connected world, where every voice is heard and every story matters.
Staefa, Switzerland
Practical Trainee - Sound Quality Engineer (m/f/d)
Location: Stäfa, Switzerland
Fulltime, 4-6 Months
At Sonova, our Research \& Development (R\&D) department delivers innovative hearing solutions and services for people with hearing loss and hearing care professionals worldwide. Ensuring high audio quality in every life situation and providing the best hearing performance experience to our customers is the primary goal of this team.
To further improve the development and testing of audio quality and hearing performance in realistic scenarios, particularly during phone calls, we are looking for a motivated intern to join our team in Stäfa for up to six months.
**Your tasks**
* Become familiar with existing hardware and software setups used for assessing audio quality during phone calls
* Configure and operate Sonova hearing instruments, smartphones, and laboratory equipment for audio quality during hands-free phone calls
* Create, modify, and maintain measurement objects and test configurations for audio quality assessments
* Conduct measurements and tests to evaluate phone call audio processing performance with selected smartphone and hearing device models
* Analyze measurement results using existing software tools and support customization through basic Python scripting
* Document test procedures, results, and recommendations clearly for team members and stakeholders
**Your profile**
* BSc or MSc in Electrical Engineering, Computer Science, Acoustic Engineering, Signal Processing, or a related field
* Interest in audio technologies, signal processing, telecommunications, acoustics, or hearing systems
* Strong analytical and problem-solving skills with the ability to work independently
* Basic Python programming skills are an advantage
* Experience working in an acoustic laboratory or with audio hardware is a plus
* Fluent English
**What We Offer**
As one of the world’s leading hearing care providers headquartered in Switzerland, we’re committed to building an inclusive culture. We want to create an environment where you can balance a successful career with your commitments and interests outside of work, through our flexible hybrid working model.
We can offer you a new challenge, with interesting tasks and much more – including an open corporate culture, flat hierarchies, support for further training and development, opportunities to take on responsibility, and an excellent range of foods, sports and cultural facilities.
* Hands-on experience with acoustic measurements, radio testing equipment, smartphones, and hearing instruments
* Exposure to advanced signal processing technologies and product verification activities prior to product launch #LI-NB1
Sonova is an equal opportunity employer.
We team up. We grow talent. We collaborate with people of diverse backgrounds to win with the best team in the market place. We guarantee every person equal treatment in regard to employment and opportunity for employment, regardless of a candidate’s ethnic or national origin, religion, sexual orientation or marital status, gender, genetic identity, age, disability or any other legally protected status.
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