1) Entertainment occupation 2) Pyrotechnist 
A pyrotechnician is a person who is responsible for the safe storage, handling, and functioning of pyrotechnics and pyrotechnic devices. Although the term is generally used in reference to individuals who operate pyrotechnics in the entertainment industry, it can include all individuals who regularly handle explosives. For the purposes of disambig...
• (n.) A pyrotechnist.
Expert who deals with explosive requirements of a film. Must deliver what the director asks, and must consider safety when preparing for shots – the crew and actors` safety, and any members of the public.
Pyr`o·tech·ni'cian noun A pyrotechnist. 
pyrotechnician One skilled in pyrotechny; a maker of gunpowder, etc., or of fireworks.
a specialist in the origin of fires, their nature and control, etc. · a fireworks technician or expert; pyrotechnist. · a performer capable of dazzling virtuosity: a pyrotechnician of the keyboard.