Experience that demonstrates the practical ability to lead and teach others in two or more of the following systems: Medium Approach Lighting System, Approach Lighting System with Flashers (ALSF), Runway End Identifier Lights (REIL), Precision Approach Path Indicator (PAPI), Heating Venting Air Conditioning (HVAC), Boiler, Chillers, Fan and Blower Systems (FAB), Lightning Bonding and Grounding (LPGBS), Engine Generator (SX/MX) and associated, fuel tanks (TANK) and switch gear, Power Condition Systems (PCS), Direct Current Bus (DCBUS), Runway Status Lights (RWSL), Security and Fire Alarm System (SFAS), Building Automation Systems (CCMS), underground cable fault location and repair, Infrastructure Projects, Electrical Line Distribution (ELD), Environmental Remote Monitoring Subsystem (ERMS). Meets and consults with representatives of external organizations such as DoD, airport management, contractors, utility companies and foreign governments to resolve problems of mutual concern and to elicit cooperation and action favorable to FAA needs.