Key Account Executive

About Sine Engineering Sine Engineering builds the technology behind reliable drone autonomy, delivering communication, navigation, and control systems that enable coordinated multi-drone operations. More than 200 UAV manufacturers rely on our solutions, and our technology powers many of the interceptor operations active today. Through our dual-use platform, we support civilian innovation while helping democratic nations strengthen their technological advantage. Any drone. Any scale. Anywhere. Resilient communication, navigation, and coordination built for the age of autonomy. Our products have already proven their effectiveness in real combat conditions in Ukraine. Responsibilities Build and expand Sine Engineering's customer and partner network across Germany. Identify, engage, and develop strategic accounts across the defense, aerospace, UAV manufacturing, systems integration, robotics, electronics, telecommunications, RF, autonomy, and other related technology sectors. Own the full sales cycle, including market mapping, prospecting, qualification, discovery, technical evaluation, proposal development, negotiation, closing, and long-term account growth. Develop relationships with OEMs, system integrators, defense primes, technology partners, and relevant government-affiliated stakeholders. Build direct relationships with senior executives and C-level decision-makers while developing strong engagement across engineering, program management, and procurement functions. Positi