Here's a list of high ranking positions. Ones with a strike through them are the ones that are currently taken:
THUNDERCLAN
ThunderClan leader
ThunderClan deputy
ThunderClan medicine cat
RIVERCLAN
RiverClan leader
RiverClan deputy
RiverClan medicine cat
WINDCLAN
WindClan leader
WindClan deputy
WindClan medicine cat
SHADOWCLAN
ShadowClan leader
ShadowClan deputy
ShadowClan medicine cat