POLARIS Raumflugzeuge GmbH is seeking a Guidance, Navigation & Control Engineer to design and analyze GNC subsystems, develop flight control algorithms, and participate in test campaigns. The ideal candidate has an M.Sc./M.Eng. in aerospace or mechanical engineering, strong experience in flight dynamics and GNC, proficiency in MATLAB/Simulink, C/C++, Python, and excellent analytical and problem-solving skills.