Monitor systems and provides diagnostics, preventative maintenance, annual testing, permitting, certification for all major building systems including, but not limited to: chilled water systems with fan coil units, air handling units with outside condensers including roof top units (RTU), building stationary boilers, hot & cold water distribution systems (plumbing, pressure/pneumatic/storage tanks, variable frequency drive (and pumps & motors), domestic hot water heaters, building automation systems (BAS), electrical distribution systems, switchgears and controls, generators, uninterrupted Power supply (UPS), elevators and lifts, parking structures (ventilation/drainage Systems, T-Joints), entrance & exit Gates and overhead doors, shingled/tarred roof, TPO membrane roofing system, EIFS, brick, vinyl, & cementitious sideboard, ACP, curtain walls, insulated glass units (IGUs). Operate and manage all life safety systems including fire pumps, fire alarm monitoring panels, dry/wet sprinkler systems, visual and audible alarms, back flow preventers, smoke detectors, CO2 sensors/alarms, fire extinguishers, emergency lighting, means of egress, fire.