The Collaborative International Dictionary of English v.0.48:

Technologist \Tech*nol"o*gist\, n.
   One skilled in technology; one who treats of arts, or of the
   terms of arts.
   [1913 Webster]

WordNet (r) 3.0 (2006):

technologist
    n 1: a person who uses scientific knowledge to solve practical
         problems [syn: engineer, applied scientist,
         technologist]