Nose Piercing and New Job... Help!

Anna
My mom and I got our noses pierced in the middle of March, so around 4 weeks ago. I just got a new job, and for their safety policy, they require that I take it out, or wear a band-aid over it. I bought some retainers for it, but I know I should be switching my jewelry out yet. Has anyone had experience with this? Did you wear a retainer, and if so, were there any complications with the piercing? Also, any tips for switching it out (I have one of the studs that screws into the base).