Digression-
Canadian engineers, iron ring.
The Ritual of the Calling of an Engineer, written by Rudyard Kipling, is administered by the Corporation of the Seven Wardens, to the end of directing newly qualified Canadian engineers towards a consciousness of their profession and its social significance.
http://www.ironring.ca

There are a number of engineering societies in all countries.

TENPES (Thermal and Nuclear Power Engineering Society (Japan)