With over 140 years of Swiss engineering heritage, Sécheron Hasler Group is a global leader in high-power electrical and electronic equipment. Our solutions power railways, renewable energy, DC and AC networks, and industrial systems worldwide trusted for their precision, reliability, and innovation.
At the heart of modern rail infrastructure, our Traction Power Systems unit delivers cutting-edge DC and AC traction substations, protection systems, power conversion and digital monitoring solutions. Join us to shape the future of sustainable mobility with technology that keeps cities and countries moving.

As an intern within our Traction Power Systems R&D team, you will support the development and validation of power electronic converters and control solutions used in railway and industrial applications. You will work alongside experienced engineers on innovative projects involving power conversion, control algorithms, testing, and system analysis.

The internship has the duration of 6 months and is expected to start in January 2027, but if that is not the best for you, let us know your availability.

Key responsibilities

• Support the design and analysis of power electronic converters.
• Assist in the development and validation of control algorithms.
• Participate in laboratory testing, measurements, and troubleshooting activities.
• Analyze simulation and test results and prepare technical reports.
• Contribute to continuous improvement and innovation projects within the team.
• Collaborate with multidisciplinary engineering teams.

Requirements

• Currently pursuing a Bachelor's or Master's degree in Electrical Engineering, Electronics Engineering, Power Electronics, or a related field.
• Strong interest in power converters, control systems, and electrical energy conversion.
• Basic knowledge of power electronics and control theory.
• Familiarity with simulation tools such as MATLAB/Simulink or similar is an advantage.
• Curious, autonomous, and eager to learn in a hands-on engineering environment.
• Good communication skills in English.

Benefits

A challenging internship in an international engineering environment.

Exposure to real-world power electronics and railway technology projects.

Mentorship from experienced R&D engineers.

Opportunity to develop practical skills in power conversion and control systems.