Techie
ahd-5
noun.
One who studies or is highly interested or proficient in a technical field, especially electronics.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
one who works with, or has an interest in,
technology
.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a technician who is highly proficient and enthusiastic about some technical field (especially computing)