Power Electronics Expert (F/M)
Confirmed on the employer's own hiring board on Oct 27, 2026. First seen by Alion on Jul 2, 2026. Exotrail scores B on the Alion truth index.
About Exotrail
Space is becoming more strategic and competitive than ever. Tomorrow’s space leaders will not simply launch satellites into orbit, they will be able to move them, reposition them, extend their lifetime, and maximize their performance in space.
Since 2017, Exotrail has been developing and operating cutting-edge in-space mobility solutions for commercial, institutional, and defense customers. From our high-performance propulsion system spaceware™ to our orbital transfer vehicle spacevan™, we enable satellites to go farther, stay operational longer, and achieve more.
Today, more than 200 Exotrailers across Massy and Toulouse are working together to make space operations more efficient and sustainable.
Backed by over €75 million in funding, we are pursuing a clear mission:
Making space a sustainable frontier for future generations.
Job Description
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
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, …)
Why Join Exotrail?
Joining Exotrail means contributing to ambitious missions that are redefining space logistics and satellite operations.
You will work on cutting-edge technologies supporting future space missions while collaborating with passionate experts in a fast-growing international company at the forefront of the New Space industry.
What We Offer
Company health insurance with 70% covered by Exotrail
50% reimbursement of public transportation costs
Up to 2 days of remote work per week, depending on the position
Enhanced maternity and paternity leave coverage with no seniority requirement
Learning and development opportunities
Well-being benefits including Moka Care, dedicated conferences, and our ExoCare Program for Moments That Matter
35 days of paid leave per year (Annual Leave & RTT)
Working Environment
Modern industrial facilities in Massy
Free coffee, tea, and fresh fruit available on site
International and multicultural teams
Dynamic and rapidly growing space company
Quality of Life at Work
Team events and afterworks
On-site osteopathy sessions on both sites
Collaborative and supportive work culture
Recruitment Process
Our recruitment process is designed to be efficient while giving you the opportunity to meet the key stakeholders involved in the role:
HR Interview with our Talent Acquisition team to discuss your background, motivations, and career aspirations.
Hiring Manager Interview to explore your experience, skills, and fit with the team and projects.
Technical Interview with our experts to assess your technical expertise and problem-solving approach.
Final Interview to discuss the role, expectations, and answer any remaining questions.
We strive to provide feedback throughout the process and ensure a positive candidate experience.
We look forward to getting to know you and exploring how you can contribute to Exotrail's mission.