Rossens FR
Business Development Engineer – Advanced Polymer Solutions (M/F)
- 06 October 2026
- 100%
- Permanent position
- German (Intermediate), French (Native language)
About the job
Join a Swiss SME undergoing transformation and help build its future.
About Protylux
Protylux SA is a Swiss company specialised in the development and manufacture of high value-added technical plastic components.
We support our clients from the design phase through to series production thanks to complete mastery of the value chain:
- Development of polymer solutions
- Design and industrialisation
- Mould manufacturing
- High-precision plastic injection moulding
- Swiss-type turning
- Production in ISO 7 cleanroom
- Assembly and packaging
To support strong growth, we are investing in a new industrial facility including a new generation of injection moulding presses as well as a workshop dedicated to mould manufacturing and Swiss-type turning.
Our ambition is clear: to become a Swiss benchmark in the development of high-precision plastic solutions for the most demanding sectors.
Your mission
We are not looking for a traditional salesperson.
We are looking for someone capable of creating new opportunities, developing new markets and building lasting relationships with innovative industrial companies.
Your main mission will be to develop our presence in the following sectors:
- MedTech
- Electronics
- Cosmetics
- Microtechnology
- Watchmaking
Your responsibilities
You will be tasked with:
- Identifying companies with strong collaboration potential.
- Understanding their industrial challenges and needs.
- Opening new client accounts.
- Developing a network of decision-makers (R&D, Industrialisation, Quality, Purchasing, Management).
- Organising and conducting sales meetings.
- Building proposals in collaboration with our technical teams.
- Ensuring follow-up until project completion.
- Participating in the company’s commercial strategy.
- Representing Protylux at trade fairs and professional events.
You will never be alone when facing technical projects.
You will work closely with Management, the Technical Office, Production and Quality departments.
The profile we are looking for
More than your background, it is your potential that interests us.
You are someone who enjoys building, convincing and developing.
You appreciate technical environments and complex sales cycles.
You like opening doors where no one expects you.
Ideally, you have:
- Technical training (HES Engineer, ES Technician, Microtechnology, Plastics, Mechanics or equivalent)
- First successful experience in selling B2B industrial solutions
- Or experience in managing technical projects with a strong client focus
- Excellent interpersonal skills
- A taste for challenge
- An entrepreneurial spirit
- Strong autonomy
- Technical curiosity
- Fluent French
- German at least B1 level
- English is a real asset
We are looking for a personality
We place much more importance on your personality than on the number of years of experience.
We are looking for a person who is:
- Curious
- Ambitious
- Organised
- Persevering
- Honest
- Pragmatic
- Positive
- Results-oriented
What we offer you
You will join a company in full evolution where everything is to be built.
You will have the opportunity to:
- Develop new markets.
- Participate directly in the company’s strategy.
- Collaborate with management close to the field.
- Work in an innovative environment.
- Build a role that can evolve with the company’s growth.
Why join us?
Your success will have a direct impact on the future development of Protylux. You will have the opportunity to actively participate in building a company recognised for its technical excellence, innovation and ability to support the most demanding industrial clients.
If you enjoy challenges, complex technical projects and want to take part in an ambitious entrepreneurial adventure, we will be delighted to meet you.
Start date
To be agreed.
How to apply?
Are you interested in this challenge? We invite you to submit your application, accompanied by your CV and cover letter, directly via our online platform.
We look forward to discovering your profile and discussing with you!