Location: Crawley, United Kingdom Thales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology to our customers, as well as delivering social value to the UK with our products and services. We are seeking a Design Authority to take on a critical technical leadership role within a complex aerospace and defence environment. This position sits at the heart of engineering governance, providing independent assurance that solutions are viable, compliant, safe, and deliverable across the full lifecycle-from bid through to in-service delivery. This is not a hands-on design role. It is a high-impact position focused on technical oversight, decision authority, and risk validation across advanced avionics and mission systems programmes. Shaping future skies together for a safer planet. We contribute to all major aircraft programmes-Air Transport, Business Jets, Military Aircraft, Helicopters, eVTOL and UAVs-and we''re committed to creating avionics that are ever more sustainable, connected and supportive of the world we share. The Role As Design Authority, you will act as the technical gatekeeper for major programmes and product developments. You will independently assess solution architectures, technologies, and delivery ..... full job details .....