Working the HDDR from the other side

[MainStreetFireman]

Don't know where to find a "Working at WDW" board that would address this, so I am hoping this is OK to start here.

Does anyone know if HDDR is a union job (AEA) for talent and production? Since the show was constructed in California, I thought it might be possible. Anyone know for sure? TIA for any advice, or for putting this thread on a more appropriate board.