Systems Maintenance Administrator (SMA®) - Ideal for those who manage the people who run building systems. SMAs ensure that the building systems run efficiently, both from an energy use and tenant comfort standpoint, as well maintain all aspects of a building or facility, including HVAC, electrical systems, plumbing, and hardware. Systems Maintenance Technician (SMT®) - Ideal for those who operate and maintain major building systems such as HVAC, electrical, and plumbing.