
About Exotrailπ
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.
π¨βπ»
We are looking for a GNC Expert at our Toulouse or Massy site, to support the rapid growth.
Attached to the R&D Team, you will be responsible for:
π Providing expertise and tech
π Supporting advanced research
π Collaborating with cross-functional teams
Main responsibilities:
π Reviewing and approving technical documents, both generated internally and with suppliers and customers,
π Leading specific activities linked with research and development activities on GNC applied to satellites,
π Help develop the technical expertise of the team through the writing of best practices and design guidelines,
π Be the reference to define test plans, validation strategies and technological roadmap linked to feed systems,
π Identifying innovative technologies (algorithms, architectures, subsystems, β¦) or methodologies to be further studied,
π Mobilising resources for exploration of innovative technologies and methodologies,
π Representing Exotrail in seminars and forums, sharing their expertise and promoting the companyβs vision and capabilities.
Preferred Experience πββοΈ
Education: Mastersβ or PhD in aerospace engineering, robotics, electrical engineering or related field
π Experience: 10 years in guidance, navigation and control for satellites, launchers or associated systems, from concepts to design reviews, assembly and testing activities.
π Strong knowledge of the design of a complete GNC system for a satellite (hardware to software)
π Strong experience in GNC systems development, test preparation, data processing
π Software for GNC and mission analysis design (Matlab-Simulink, STK)
π Expertise in Python & proficiency in embedded software (C / C++)
π Strong technical leadership in multi-team technical meetings and a high level of agility.
π Strong verbal and written communication skills, with colleagues and external stakeholders in French and English (B2 min).
π Creativity vs unexpected technical issues (design, assembly, β¦)
About our recruitment process π€
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.

We are an end-to-end space mobility operator.
Exotrail is a #space company which designs, develops, and operate #mobility solutions for an agile space. Our mission is to deliver mobility solutions for an efficient & sustainable space.
Thanks to this, a new world of telecommunication, Earth observation and space exploration will arise. Our mobility solutions range from highly flexible high-thrust propulsion systems for small satellites (spacewareβ’), mission simulation and operation software (spacestudioβ’ & spacetowerβ’), and orbital transfer vehicles (spacevanβ’).
Exotrail has been incorporated in 2017 and has secured since then over 75M⬠from prestigious Venture Capital funds and public grants. Our team consists of +150 people who are passionate about disrupting the space industry. We operate out of two locations: Toulouse and Massy (suburb of Paris) in France.