"Harmonix seeks an accomplished Narrative Designer to incorporate creative story lines into gameplay on a unique motion-gaming IP," reads just one of the positions discovered by Supererogatory. This particular gig is a 12-month contract position, while the others make mention of a "music-based motion-gaming IP" and seem to be for more established positions.
A narrative-driven, rhythm-based motion game? Sounds a lot like one of our favorite games ever. [Wait, surely you meant this? - Ed.]