Originally Posted by
Amineri
I suppose it depends upon how strongly SE re-aligns the classes with these same roles. Currently the classes are principally defined by the weapon, not by a party role. It is up to each player to pick different skills from different classes to build their own role. That was the theory. In practice, it didn't hold up so well.
If classes (i.e. weapons) remain not correlated with party roles, then it would be possible to mix-and-match jobs (party roles) with classes (weapons). But, that's a big 'IF', since we don't know what classes will look like.