WTI (Weatherproofing Technologies Inc.) is one of the largest commercial roofing maintenance service providers in North America, with more than one billion square feet of roofing under contract, as well as providing general contracting (GC) capabilities. We are looking for experienced commercial roofing professionals to perform a variety of maintenance, repair and other roofing-related services, especially those who have worked with built-up, EPDM, PVC and other types of low-slope roofing systems. We also seek construction associates and managers to work with construction contracts, construction documents and processes within our GC division.