TXT e-Tech, part of the TXT Group, is currently seeking an Avionic System Engineer to be placed at an important client in the Aerospace & Defence sector. Main Activities: Development of avionic system design changes needed to implement navigation components; Support in defining flight testing objectives and analyzing test results; Support in system safety analysis; Support in certification tasks and meetings with the certifying authority. Required Technical Skills: Knowledge of DO178B; Ability to write avionics requirements; Knowledge of the main aerospace navigation systems; Knowledge of avionic bus 1553 is considered a plus. Education: Degree in aerospace, mechanical, or electronic engineering. Why Choose TXT Group: Career opportunities in a rapidly growing and profoundly evolving company, with a young and international staff; Corporate Benefits (health insurance, welfare, Ticket Restaurant, employee discounts within the group); Permanent contract .