CDR Maguire Inc., a national multi-disciplinary engineering firm is seeking Technical Assistants for projects in. PennDOT District 8 (York/Gettysburg area). for the upcoming season in 2024. SUMMARY. This is an entry level position. The Technical Assistant (TA) is responsible for consulting with contractors, consultants, engineers, job superintendents, and others in matters related to plans, specifications, materials, equipment, and the methods, p...