Applications for the professional title of " Ingenieur/Ingenieurin" can be submitted by graduates of colleges of engineering to the Federal Ministry of Economy, Family and Youth following at least three years of relevant professional practice.

The prerequisite for the conferring of the professional title is that the respective college of engineering or area specialisation is listed in the Ingenieur Ordinance (pursuant to §3 of the 2006 Ingenieur Act) and that the practical training has been subject-oriented.

Link    Federal Ministry of Economy, Family and Youth - Information