We are seeking a Principal Digital Signal Processing (DSP) Engineer to lead and support efforts in detecting and classifying Unmanned Aerial Surveillance (UAS) platforms using their Radio Frequency (RF) link. The ideal candidate will have experience in Software Defined Radio (SDR) based systems, RF protocols, signal detection, and strong software skills. Familiarity with AI/ML-based classification approaches is a plus. Key Responsibilities: Design and implement DSP algorithms to detect and anal