technician

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun An expert in a technique, as.
• noun One whose occupation requires training in a specific technical process.
• noun One who is known for skill in an intellectual or artistic technique.

from The Century Dictionary.

• noun A technicist.

from the GNU version of the Collaborative International Dictionary of English.

• noun a person trained or skilled in the technical details of a particular art or science, especially one skilled at operating, maintaining, or repairing equipment, in contrast to the theory or informational content of a craft; -- formerly also called a technicist.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A person who studies, professes or practices technology.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun someone whose occupation involves training in a specific technical process
• noun someone known for high skill in some intellectual or artistic technique