You only get paid when on location with an aircraft.The Icelanders are on different contract terms than others,who get paid via an agency, maybe offshore.Do work for Saudia and many other airlines and tour companies
and are the Atlas of the pax world,sort of Hertz/Avis.A good number if you like to move around a lot and don't mind wobbling around on dodgy ladders working on a number 4 eng.
Probably best to haver your own accident insurance.But then isn't it typical for maintenance these days of bean counters rule?