Welcome!
I think that the short cut in the first picture suits you well, as does the sly look in the second. I don't know about your job's policy on facial hair, but I would grow a goatee to give your head some balance when shaved. Otherwise, the shaved head looks good, and you have an awesome shine!
P.S. Based on your username, I take it you're an EMT. If so, we appreciate what you and all of the first responders do and keep up the good work!