Product Pre-Development Engineer Intern

Join the Sonceboz adventure, a Swiss family business specialized in the design and manufacture of mechatronic drive solutions.

« From Mind To Motion »

With 1300 employees and recognized expertise, Sonceboz is a place where innovation comes to life and ideas turn into concrete solutions for our customers.

From R&D to production, everything is done in-house. This total control allows us to combine cutting-edge innovation, industrial excellence, and a zero-defect quality goal.

Based in the heart of the Jura Arc, in Sonceboz-Sombeval and Boncourt, we operate in a region known for its industrial and technological expertise.

Several Product Pre-Development Engineer Intern positions are available starting January/February 2026 at our two sites in Sonceboz-Sombeval and Boncourt.

Within a Pre-Development team, you will have the unique opportunity to participate in the development of new technological solutions in the field of mechatronic drive systems (actuators, electric motors).

Your missions will include:

• Analysis of existing solutions: perform benchmarking of current products to identify improvement opportunities.
• Technological research: study and explore new technological solutions to improve the performance of our mechatronic products, particularly in terms of compactness, weight, power density, and durability, etc.
• Concept proposal: develop product architectures and concepts based on technical criteria and competitiveness.
• Design and validation: carry out designs and validate results through mechanical, thermal, and magnetic simulations.
• Prototyping: design and build functional prototypes and demonstrators.
• Laboratory testing: test and validate prototype performance.
• Documentation: write project documentation, including study reports, justification files, and calculation notes.