Tom Andrews, Mechanical PE, Sales Engineer: Overview
Tom Andrews, Mechanical PE, Sales Engineer: What you do
Tom Andrews, Mechanical PE, Sales Engineer: Typical Day
Tom Andrews, Mechanical PE, Sales Engineer: Education and Training
Sales Engineer
A sales engineer is a technical sales person, who is trained in applied engineering components and systems. They assist design engineers, building owners, and contractors in the technical aspects of selecting, installing, and maintaining equipment and fixtures.

Advice and Soundbites
If it seems non-traditional I think you should at least consider it (sales engineering). You always have the traditional to fall back on. Tom Andrews, Mechanical PE, Sales Engineer