Need to lose as much as possible!!!

Hey every one I have always had a problem with weight I lost 30 pounds to join the army then another 60 while serving, I was wounded in 08 and up until recently i have been unable to exercise and gained way to much. I am 5'9 and 327 needing to drop weight and get into shape for fire academy. anyone who just needs to lose a few or a lot who has any advice or just want to work together please dont hesitate to message me.

Jesse