Green’s Dictionary of Slang

(US campus) one who is exceptionally well versed in (computer) technology.

1997–2000		Da Bomb 🌐 1: alpha geek: The most knowledgeable technician in a group or office.
2003		www.ventureblog.com 25 Apr. [blog] These alpha geeks tend to be bleeding edge indicators of the direction of future trends in computing.