Job Details. SBM Management Services - oXhprfwO [Janitor / Porter / Cleaner] As a Custodian at SBM Management Services, you'll: Perform floor care, such as vacuuming, mopping, and carpet spotting; Perform surface care, such as dusting, sanitizing, glass/mirror/window cleaning, metal/wood polishing, clean blinds and draperies; Empty …