Job Overview. Job Overview & Essential Functions. Murphy-Hoffman Company, LLC is North America’s largest Kenworth truck dealership group and leasing group. As MHC continues to grow, we have an opening for a Lease Salesperson. The Lease Salesperson plans, organizes, and sells full line of truck leasing services including: long-term full-service lease, contract maintenance, short term rental, service sales and other services offered by interacting ...