Internship - Application Engineer Intern on Digital Power Conversion for Electric Vehicles

STMicroelectronics; Agrate Brianza; On-site; EUR 7,800 - 12,000; Full time

Job summary

STMicroelectronics is seeking an Application Engineer Intern to contribute to digital power conversion solutions in Agrate Brianza, Italy. You will join a team focused on converters and motor controls, with opportunities to work on OBCs, traction and industrial inverters, and related digital control algorithms.

The role involves design, modeling and testing in lab and HIL environments, collaboration with hardware and firmware teams, and hands-on board bring-up to support e-mobility and

Qualifications

• Ongoing Master’s in Electronics, Electrical, Computer Engineering, Mechatronics or similar.
• Basic knowledge of power electronics, motor control (e.g. FOC, inverters) and converter control.
• Familiarity with embedded systems, programming (C/C++ or similar), schematics and soldering equipment/machines.
• Interest or initial experience in simulation/HIL tools (e.g. MATLAB/Simulink, PLECS, SPICE).
• Motivation to work in lab and HIL environments, with a practical, problem-solving mindset.
• English sufficient for technical documentation and interaction in an international team.

Responsibilities

• Support design, modeling and simulation of digital control for power converters and motor drives (e.g. OBCs, traction and industrial inverters, AC/DC and DC/DC converters).
• Work on control algorithms (e.g. FOC for motor control, digital control for converters), including HIL implementation and HIL testing.
• Contribute to testing and validation of converter and inverter models in lab and HIL environments.
• Help in the design and bring-up of boards and demonstrators, collaborating with hardware and firmware teams.

Skills

Power electronics

Motor control

Embedded systems

C/C++

Digital control

HIL testing

Education

Master’s in Electronics, Electrical, Computer Engineering, Mechatronics or similar

Tools

MATLAB/Simulink

PLECS

SPICE

Job description

OUR STORY

At STMicroelectronics, we believe in the power of technology to drive innovation and make a positive impact on people, businesses, and society. As a global semiconductor company, our advanced technologies and chips form the hidden foundation of the world we live in today.

When you join ST, you will be part of a global business with more than 115 nationalities, present in 40 countries, and comprising over 50,000 diverse and dedicated creators and makers of technology around the world.

Developing technologies takes more than talent: it takes amazing people who understand collaboration and respect. People with passion and the desire to disrupt the status quo, drive innovation, and unlock their own potential.

Embark on a journey with us, where you can innovate for a future that we want to make smarter and greener, in a responsible and sustainable way. Our technology starts with you.

YOUR ROLE

You will join our Digital Power Conversion program as an Application Engineer Intern, contributing to converter and motor‑control solutions.

In this role, you will:

• Support design, modeling and simulation of digital control for power converters and motor drives (e.g. OBCs, traction and industrial inverters, AC/DC and DC/DC converters).
• Work on control algorithms (e.g. FOC for motor control, digital control for converters), including HIL implementation and HIL testing.
• Contribute to testing and validation of converter and inverter models in lab and HIL environments.
• Help in the design and bring‑up of boards and demonstrators, collaborating with hardware and firmware teams.

Your work will be applicable to e‑mobility, industrial automation, consumer, solar/energy and server power applications.

YOUR SKILLS & EXPERIENCES

• Ongoing Master’s in Electronics, Electrical, Computer Engineering, Mechatronics or similar.
• Mandatory:
  • Basic knowledge of power electronics, motor control (e.g. FOC, inverters) and converter control.
  • Familiarity with embedded systems, programming (C/C++ or similar), schematics and soldering equipment/machines.
• Interest or initial experience in simulation/HIL tools (e.g. MATLAB/Simulink, PLECS, SPICE).
• Motivation to work in lab and HIL environments, with a practical, problem‑solving mindset.
• English sufficient for technical documentation and interaction in an international team.

ST is proud to be one of the 17 companies certified as a 2025 Global Top Employer and the first and only semiconductor company to achieve this distinction. ST was recognized in this ranking thanks to its continuous improvement approach and stands out particularly in the areas of ethics & integrity, purpose & values, organization & change, business strategy, and performance.

At ST, we endeavor to foster a diverse and inclusive workplace, and we do not tolerate discrimination. We aim to recruit and retain a diverse workforce that reflects the societies around us. We strive for equity in career development, career opportunities, and equal remuneration. We encourage candidates who may not meet every single requirement to apply, as we appreciate diverse perspectives and provide opportunities for growth and learning. Diversity, equity, and inclusion (DEI) is woven into our company culture.

To discover more, visit st.com/careers.