brain worker
coemployee
tenter
workmanlike
know one's onions
know one's shit
finesser
entreprenerd
mechanic
compendious
workling
know any better
know
scienced
know one's ass from a hole in the ground
clued in
informatician
know one's way around
autoepistemic
librarian
wordster
humanpower
know one's stuff
intelligence officer
tasker
know-all
-fu
infopreneurial
recruiter
boilersmith
master
informationize
grease monkey
yeoman
fixer
mender
perficient
mover and shaker
repairer
boss
jefe
practical
workperson
logodaedalus
chochem
knowledge engineering
gold-collar
machine
expert
clever Dick