0 an expert in engineering -- ingénieur [ masculine ]
2 a person who designs, makes, or works with, machinery -- ingénieur/-eure, technicien/-ienne
an electrical engineer.
3 (usually civil engineer) a person who designs, constructs, or maintains roads, railways/railroads, bridges, sewers etc. -- ingénieur civil, ingénieure civile
4 an officer who manages a ship’s engines. -- mécanicien/-ienne (de la marine)
5 an engine driver. -- mécanicien/-ienne
It is as if we are engineering one.
A certain construction engineer told me once that above that splendid wooden ceiling there is fibreglass and rock wool.