Responsibilities: Perform installation, integration, configuration, employment, preventive maintenance, precision alignment, detailed and complicated diagnostics, troubleshooting, corrective maintenance, electronics monitoring and teardown of complex Command, Control, Communications, Computers, Intelligence, Surveillance, and Reconnaissance (C4ISR) and systems supporting SIGINT, FISINT, GEOINT, HUMINT, CI, TECHINT, OSINT, and All Source Intelligence for tasking, collection, processing, exploitation, production and dissemination at all echelons from tactical to national in multi-domain environments. Performs tests on electrical, electro-optical, and electro-mechanical equipment using multi-meters, oscilloscopes, signal generators, spectrum analyzers, bit error rate testers (BERT), signals survey equipment, and other complex and specialized test measurement and diagnostic equipment (TMDE), wire diagrams, logic and signal flow charts, technical manuals, troubleshooting charts, performance aids, schematic, and logic diagrams.