Locations Currently Hiring. Vandergrift, PA. Job Description. RHI has five model home centers, located throughout Western Pennsylvania in Butler, Greensburg, New Alexandria, Prospect, and Vandergrift. Each sales center has a sales manager, who supervises and assists the sales staff with new and existing sales. As a customer service representative, it is preferred that you work out of the corporate office in Vandergrift, PA. You will be making pho...