Throughout my career I have practiced the art of the Sales Engineer from both sides. As both an SE and as a manager. From UNIX mini-computer deployments and migrations as an engineer to break-fix operations as a Compaq Authorized Service Center Manger. From Systems Engineering Consultant, Network Systems Engineer, Infrastructure Services Manger, Product Manger and Principal Systems Engineer to Director of Sales Engineering.
A few key resources that have traveled with me and serve me well include the following:
Working with bright, insightful people at innovative technology companies is an exciting career path!
PS. Another great resource for Sales Engineers and Technical Sales Specialists is the Great Demo blog. You can check it out here