How do you call the kind of people who either work in IT or spending a lot of time with this kind of stuff?
 
The only word I've found is Streber but it seems to have a negative connotation (like "nerd"). 

upd:

- Geek
- Computer Checker
- Computer-Guru
- Computer-Profi 
- Computer-Spezi
- EDV-Spezi
- EDVler
- Informatiker
- ITler
- IT-Mensch
- IT Mokel
- Progger