Russe ⇄ Anglais

разбираться в технических вопросах contraintes
entr.	be technically strong
techn.	understand technical matters (Alex_Odeychuk)
разбирающийся в технических вопросах
inform.	tech-savvy (Whether new to Canada or just not tech-savvy, chances are you know someone who could use a bit of help to spot frauds and scams. (Twitter) ART Vancouver)