Commercial Glass Door Repair Mechanic. Door Service Mechanic. S. Albert Glass Co, Inc. Established in 1968 S. Albert Glass Company has immediate openings for experienced individuals in its Commercial Glass Door Service Division. This person would be a Field Mechanic who Installs, Services, and Repairs Commercial Storefront Doors, Hollow Metal Steel Doors, Tempered All Glass Doors, Revolving Doors and Wood Doors. The Door Service Mechanic is a key...