If you are going to work in Norway, you will as a main rule need a residence permit.
There are other rules for you who are citizens of EU/EEA-countries.
Utlendingsdirektoratet
The Norwegian Directorate
of Immigration
Pb. 8108 Dep.
NO-0032 Oslo
(+ 47) 23 35 15 00
www.udi.no/contact
Contact web editor
Editor in chief: Ingeborg Grimsmo