TXT Group is looking for a System Engineer with a focus on Navigation Systems for the Aerospace & Aviation division of TXT e-tech, a company within the group. Main responsibilities: Focus on Analysis and Validation of avionic Navigation requirements; Support for Flight test activities; Support in defining requirements in accordance with avionic architecture; Involvement in Avionic Certification; Interface with customers. Nice to have: Basic knowledge of the functioning principles of avionic systems (sensors, instrumentation, navigation, etc.); Knowledge of Navigation Systems - Flight Management System (FMS) and Instrument Flight Rules (IFR) procedures; Knowledge of avionic systems and technologies; Knowledge of embedded systems and avionic standards (e.g., DO-178B/C). The profile is completed by good knowledge of English, good team working skills, autonomy in organizing work, proactivity and problem solving skills. Education : Bachelor's or Master's degree in Aerospace Engineering, Aeronautical Engineering or Automation Engineering. Why choose TXT Group: Career opportunities in a fast-growing and rapidly changing company with young, international staff; Training on business-related topics; Corporate Benefits (health insurance, welfare, Ticket Restaurant, discounts as a group employee); Permanent contract commensurate with the candidate's experience.