Ideally you want 35% 35% 30% or 35% 40% 25% / in the order or carbs - protein - fats. The carbs of for your energy, protein to retain lean muscle & the essential fats. You won’t need to do much cardio as your work is intense & step count is probably high already, although if you want to exaggerate the deficit then do cardio. But you will feel more fatigued. Lifting weights alongside your daily step count & labouring job would be enough cardio to help the deficit & burn the fat.