Deep knowledge of digital signal processing and digital communications (sampling theory, filter design, FFT/PSD, polyphase channelization, decimation/interpolation, timing/frequency synchronization, modulation/demodulation, AM/FM/PSK/QAM/FSK/OFDM, error correction, detection/classification). This support includes but is not limited to; research and identification of innovative technology, requirements analysis, testing and demonstration, technical writing, representation at S&T/R&D conferences, training, procurement, configuration management, production, transition support, drafting and repair.