How to make a Career in Dynamics AX

HI guys this is pavan i'm working as a dotnet developer using c# n asp.net. I am looking forward to make a career move to dynamics ax.Can any one give me a brief description of Dynamics ax ,roles n responsibilities,which role is good for me to get a placement easily n make a steady growth. Pls give me a detailed description of different positions n which one to opt e.t.c...