Power Electronics Expert (F/M)

EXOTRAILMassyteamtailorpublié le 02/07/2026

About Exotrail 🚀 Born from a strong ambition to reach for the stars, Exotrail is a fast-growing scale-up founded in 2017. Its mission: to develop and commercialize propulsion systems for small satellites on a global scale. We design products focused on impact, fast delivery, and continuous improvement. Inspired by the digital world, we are firmly customer-oriented and driven by an entrepreneurial spirit. We manage risks to push boundaries and achieve results that would not be possible within a traditional space model. We deploy every necessary resource to support the development of our products, whether in propulsion or in-orbit services. Strengthened by an innovative mindset inherited from our early days, we are preparing to grow into an ambitious industrial company.

Job Description đŸ‘šâ€đŸ’» We are looking for a Power Electronics Exper t at our Massy site, to support the rapid growth. Attached to the R&D Team , you will be responsible for: 📌 Providing expertise and tech 📌 Supporting advanced research 📌 Collaborating with cross-functional teams Main responsibilities: 📌 Reviewing and approving technical documents, both generated internally and with suppliers and customers, 📌 Leading specific activities linked with research and development activities on power electronics applied to electric propulsion and at satellite-level, 📌 Help develop the technical expertise of the team through the writing of best practices and design guidelines, 📌 Be the reference to define test plans, validation strategies and technological roadmap on power electronics, 📌 Identifying innovative technologies (topologies, architectures, suppliers, 
) or methodologies to be further studied, 📌 Mobilising resources for exploration of innovative technologies and methodologies, 📌 Representing Exotrail in seminars and forums, sharing their expertise and promoting the company’s vision and capabilities.

Preferred Experience đŸ’â€â™€ïž Education: Masters’ or PhD in electrical engineering or related field 📌 Experience: 10 years in power electronics (100 – 1000W) for defence systems. Experience in the space sector is ideal and appreciated. 📌 Strong knowledge and experience of the design of a complete power electronics system (hardware to software), including filtering. 📌 Software/firmware for power electronics control. 📌 Expertise in simulation tools (LTspice). 📌 Strong technical leadership in multi-team technical meetings and a high level of agility. 📌 Strong verbal and written communication skills, with colleagues and external stakeholders in French and English (B2 min). 📌 Creativity vs unexpected technical issues (design, assembly, 
)

About our recruitment process đŸ€ We are committed to recruiting the right people for the right job, regardless of your private background. We meet at least three times in order to give you a better idea of what it's like to work at Exotrail:

  1. Interview with our Talent Acquisition Manager: you will learn more about the position and our culture;
  2. On-site interview with your future manager (CTO): you will discover your work environment and learn more about the required qualifications, and you can make sure that you share the same vision and values of the company;
  3. Technical Interview with the team: to assess your technical skills and alignment with the role.