Installs, modifies, overhauls, maintains, troubleshoots, repairs, rebuilds, aligns, and calibrates complete electronic avionics multi-systems control, Demonstrates a thorough working knowledge of complex aircraft avionics and or ECM systems such as the electronics package in a highly automated aircraft where the integrated flight and Integrated Counter-measures System, electronic multiplex communications bus, Inertial Navigation System, multi-function displays, head-up display, data transfer equipment, Global Positioning System, Situation Awareness Data-Link (SADL),, Data Modem, Flight Control System, pitot-static system and related instrumentation, flight director instrumentation, Central Air Data Computer, engine, hydraulic and fuel quantity indicating systems, voice message warning, Very High Frequency (VHF), Ultra High Frequency (UHF), Satellite Communications (SATCOM) Data, intercom, secure voice communications, Identification Friend or Foe (IFF), Tactical Air Navigation System (TACAN), Evaluates operational characteristics of the integrated systems by observing and analyzing waveforms, voltage, current, power indications, computer registers and printouts. and unscheduled maintenance on one or more multi-complex electronic integrated systems; experience conducting operational checks, inspections, tests, trouble shooting, removal and replacement of line replaceable units; capable of isolating unusual malfunctions by using technical orders, schematics, wiring diagrams, tools, and test equipment to include automatic test equipment and flight line test systems; experiences involved solving complex problems by analyzing installation, circuitry, and operating characteristics of the systems.