Prior working knowledge on two or more of the followings systems is required: Digital Modular Radio (DMR), Commercial Broadband Satellite Program (CBSP), Navy Multi-band Terminal (NMT), Extremely High Frequency (EHF), Super High Frequency (SHF), Global Broadcast System (GBS), KA Band, and Time Division Multiple Access (TDMA) Processor (TIP); perform all duties unsupervised. Three years (3) experience performing overhauls and repairs on any of the following shipboard electronics systems: Digital Modular Radio (DMR), High Frequency (HF), Radio Frequency (RF), High Frequency Radio Group (HFRG), Navy Multiband Terminal (NMT), Computer Based Satellite Program (CBSP), Global Broadcasting System (GBS) and/or Naval Shipboard Antenna Systems.