"Different employers, let alone different industries or different countries will call the same thing different names/assign slightly different functions to the same name"
Sure, BUT, and it's a BIG BUT, without the degree, most companies will not consider an applicant, even if they were called "Engineer" at a previous company.
As for what an Engineer does, I'll quote from the California Professional Engineers Act:
6701. Professional engineer defined
“Professional engineer,” within the meaning and intent of this act, refers to a person engaged in the professional practice of rendering service or creative work requiring education, training and experience in engineering sciences and the application of special knowledge of the mathematical, physical and engineering sciences in such professional or creative work as consultation, investigation, evaluation, planning or design of public or private utilities, structures, machines, processes, circuits, buildings, equipment or projects, and supervision of construction for the purpose of securing compliance with specifications and design for any such work.
Thus, an engineer may create CAD drawings as part of their work, but things like thermal or stress analysis would be well outside of the purview of a "CAD jockey." A CAD jockey might create similar CAD drawings, but in most cases, they would be unable to justify or explain why certain wall thicknesses are required, or where the greatest stress might be, or how to change the design to support a new requirement.
TTFN
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