Chief Technology Officer (CTO) – AerospaceWe're a European deep‐tech startup building stratospheric aerospace platforms and the systems required to operate them reliably at scale. We're looking for a hands‐on CTO to own the entire technology stack, with a strong focus on aerospace hardware and mission‐critical systems.What you'll doOwn the technology vision and execution end‐to‐endLead stratospheric platform, avionics and systems developmentOversee testing, qualification, reliability and certificationOwn ground segment and mission infrastructureCoordinate system‐level integration with AI and data platformsBuild and lead a small, high‐quality engineering teamAct as a technical reference with institutional and defence partnersWho this is forSenior background in aerospace, satellites, defence or other high‐reliability systemsExperience taking complex hardware from prototype to operationsComfortable making technical decisions under uncertaintyStartup mindset: hands‐on, pragmatic, systems‐drivenImportant to knowThis is not a software‐only or AI‐only role. This is a builder role in an early‐stage startup where ownership, judgement and hands‐on involvement matter more than titles or processes. The environment is fast‐moving, and priorities change as the company learns and grows.If you're someone who enjoys building real systems, taking responsibility end‐to‐end, and shaping technology from the ground up, we'd like to hear from you. #J-18808-Ljbffr