Lockheed Martin - - Responsibilities: Services, repairs, and overhauls F-22 aircraft electrical & avionics systems to ensure airworthiness.; Repairs, replaces, and rebuilds aircraft electrical/avionics system and components.; Incorporates engineering changes.; Adjusts, repairs, and replaces electrical wiring system and aircraft accessories.; Performs operational checks, pre & post modification/upgrade/overhaul testing, troubleshoots and repairs electrical and avionics systems on aircraft as required.