PITTSBURGH INSTITUTE OF AERONAUTICS, founded in 1929 is a nationwide leader in aviation maintenance and electronics training and is currently seeking a seeking a. Custodian. at our branch campus in. Youngstown, OH. As the Custodian your duties will include cleaning of lunchroom, restrooms, office spaces, classrooms, public glass surfaces, emergency floor cleaning (spills), answering of calls for urgent cleaning needs. Work Schedule. Weekday Dayli...