An Avionics Technician III operates, installs, maintains, tests, troubleshoots, and repairs all on-aircraft electronic and electrical systems; develops, fabricates, tests, modifies, and integrates electronic flight hardware into research and science aircraft, simulators, Unmanned Aircraft Systems (UAS) and associated payload systems, and in back-shop environments. Must have a basic mechanical background and journeyman-level expertise in test equipment operation, harness fabrication, wire and cable repair, solder and crimp connector assembly, soldering, polymeric application, general radio frequency (RF) theory, fiber optics, and troubleshooting complex electrical and avionics systems using wiring diagrams and schematics.