Wiktionary
techno geek
n. (context slang English) someone who is obsessed with technology, especially electronics and computing
Usage examples of "techno geek".
Those were forty cruel minutes for Roy, because David Davis, a techno geek without equal, insisted on demonstrating some new, state-of-the-art lab equipment.
Wallace Blick, of the ANABOLIC tattoo, was a techno geek with an edge.