Interpret, prepare, and invoice Bombardier and vendors for service performed on customer aircraft and parts under warranty and post warranty programs, for example, Smart Parts, JSSI, Honeywell, Pratt & Whitney, and Rolls Royce. Review and analyze sales proposal to ensure that commitments for flat rates, special incentives, requirements for prepayments, early signing bonuses or any other special considerations are reflected in the invoice to the Customer and ensure Customer Project Manager is aware when necessary.