Intern Engineer Tests & Electronic Validation

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 where 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 Intern Engineer Tests & Electronic Validation positions are available from January/February 2026 at our Boncourt site, within the R&D Electronic services dedicated to the development and validation of embedded systems for mechatronic applications aimed at our "Automotive" and "Commercial Vehicle" customers.

You will contribute to the validation activities of embedded systems as well as to the test automation and continuous integration setup activities:

• Unit and integration tests: define, execute and document unit and integration test scenarios to ensure the compliance and robustness of the developed software modules.
• Automation and continuous integration: participate in the implementation and automation of test plans under VT Studio (Vector), with automated execution via Azure DevOps Pipeline and Jenkins, in Hardware-in-the-Loop (HIL) and Software-in-the-Loop (SIL) environments.
• Reporting and continuous improvement: analyze test results, write clear reports and propose improvement actions in connection with the project team.