Your career at 3A Composites Core Materials

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You work with us

Our employees = our Core

The cornerstones for the long-term sustainable development and progress ouf our company are - of course - our skilled, committed and motivated employees. This is our Core!

Our company culture = our Conviction

Reliability, confidence, responsibility, quality awareness and teamwork - our company culture is our conviction.

Join us!

Make your contribution to our team and join us!

Start your work life with us

Apprenticeships and internships

The foundation of a promising and successful future career is a solid apprenticeship or internship. If you are interested in an international work environment, you will be at the right place. Start your work life with us!

Sites in Switzerland, US and more

Our group of companies is active worldwide and offers interesting and versatile apprenticeships and internships in different occupational fields - in Switzerland, the US, Ecuador, China and Papua New Guinea.

Qualified and motivated coaches

Our trainers are qualified and motivated and will ensure the success of your apprenticeship or internship. Supported by our dedicated teams and business-friendly environment, you will be excited to develop your personal and professional career.

Our values

While creating core materials with passion and perseverance that are stronger, lighter and greener to the core, we care about our employees and take interest in the communities we work in.

All of our core materials are lightweight and strong either made of recyclable plastic (PET) or arised from from balsa trees that we planted. The aim is to manufacture ecological products that help customers and partners to become more energy efficient and therefore positively impact the environment - for a stronger, lighter and greener future.

High performing

For more than 85 years, our focus and devotion has been set to develop high-quality core materials of superior durability and performance.

Strong and light

Striving to find the right balance between the product's strength and lightweight results in more durable and energy-efficient end products for our customers and partners.


The aim of our products is to make communities and industries greener by respecting social, environmental and industrial resources. We strive to help developping energy efficient end products and aim to reduce even our own carbon footprint significantly.


In regards to quality, we do not make any compromises. Patient worldwide teams and dedicated people, with whom we have been working with for more than 25 years - this is our Core!


Aiming for a positive impact with everything we do - with our core materials, our social and environmental commitment, for partners and for ourselve. For a stronger, lighter and greener future - for our We.

Want to join us?

Are you looking for a new challenge or a work environment that will allow you to develop your potential? It is great that you are considering us as a prospetive employer!

Start your work life with us

Build the foundation of a promising and successfull work life with a good apprenticeship or internship.

Visit apprenticeships & internships

Do you have further questions? Feel free to reach us at any time.

Get in contact with us if you would like to find out more about our vacancies or hand in an unsolicited application.