This is the 646th most frequent Norwegian word.
internasjonalt
"International."
In this sentence, 'internasjonalt' functions as an adverb modifying the verb 'is known', describing the manner in which the conference is recognized on a global scale.
Den konferansen er kjent internasjonalt.
That conference is known internationally.
Here, 'internasjonalt' is part of the compound adjective 'internasjonalt orientert', describing the nature of the career as being globally focused.
Han har en internasjonalt orientert karriere.
He has an internationally-oriented career.
In this case, 'internasjonalt' serves as an adverb associated with the verb 'works', indicating the scope of the organization's activity.