An engineer is 'un ingénieur' in French.
An engineer is "un ingénieur" (masc.) in French.
"Be an engineer" is "être un ingénieur" in French.
Engineer comes from the French "ingénieur". So the noun is English, but the origin is French.
An engine in 'un moteur' (masc.) in French.
Ingenieur
Mechanical and Chemical Engineer
plan service engineer
Software engineer.
No, legally you cannot call yourself an engineer without a license.
He is called the Engineer, or Locomotive Engineer.
engineer
A civil engineer is called "un ingénieur en génie civil" in French.