This is the correct cap badge for the period, WW1. Ubique translates as everywhere.
The badge differs from the British Army version, only in the motto at the bottom of the badge. Hope this helps. If you want it translating, I can find out if you wish.
He looks like a private, if in the artillery he would be a 'Gunner' the swagger stick is for photographic purposes as a private would not be entitled to carry one in camp.