Must possess and maintain proficiency in the use of diagnostic programs, interpretation of results, and the use of program listings to isolate faults and be adept in the use of test equipment, repair of micro/miniature printed circuit boards, electro/mechanical systems and devices to include projection display systems, computer controlled motion and electronic control loading systems and computer generated sound systems. Must possess skills to analyze system malfunctions and isolate erroneous or inoperative unit, section or element; troubleshoot, repair, configure and maintain complex computer and network systems; analyze discrepancies, trends and develop corrective procedures; conduct pre- and post-operational checkout of complex simulator systems evaluate results and initiate corrective action.