There are many design-related jobs in a great variety of industries, from automobile constructions, building interiors, furniture or machinery to fashion, arts, advertisement, and graphics.
Only in the advertisement industry are at least 9 design-related job titles: Art Director, Senior Designer, Entry-Level Designer, Printed Production Designer, Web Designer, Creative/Design Director, Print Production Artist, Graphic designer, etc.
A self-employed or a freelance design professional is usually known as a Solo Designer.
According to the business profile and activity type, a design-related position may require specific education/qualification (e.g. a design engineer will need a relevant engineering degree) and expertize, artistic and/or technical aptitudes and creativity.