Such knowledge will include but is not limited to proficiency in analog/digital theorems and techniques at a level to include some design capabilities, system concepts on computer systems, linkage, data storage devices and peripheral equipment, proficiency in software language manipulation, skills necessary for system troubleshooting, remodeling and trainer enhancements, proficiency in hardware/software and electronics. Maintain operating requirements and regulatory compliance of flight simulators, flight simulator sub-systems and components, flight simulator visual systems, flight simulator visual database modeling, cockpit procedure trainers, and ground school training devices used for flight training.