Again, this kind of depends on your body type. Start with as little cardio as you need initially to start losing. If you're someone who holds on to and gains weight very easily, this might be 5-7 days a week. If you're like some fuckers I know and are don't hold on too fat too easily, 2-3 steady state sessions per week may only be necessary, like a 15-minute elliptical/stair climber session post-workout for 15 minutes, or something like that.
As you get leaner, it'll probably start being time to implementing sprints once or twice a week. Doing sled/prowler work if available OR car pushes as an alternative.
I know it's not a very "sound" recommendation, but I have no idea what you look like, how developed you are, etc.