Prefer working knowledge and certification as required of applicable regulatory codes, and IBC (International Building Codes), UBC (Uniform Building Code), Joint Commission, CMS (Centers for Medicare and Medicaid Services), NFPA (National Fire Protection Association) and State and local building codes. Maintains all pumped systems including: chilled water, condensate water, domestic hot and cold water, heating hot water, condensate, sewage ejector, medical air, vacuum, mechanical air, and fuel oil.