No other profession has similar education and professional experience. For public protection, persons can only certify work for which they were trained in the fundamental geologic principles and have the necessary experience. These are two distinctly different professions. However, because of the close relations between those who interpret and those who design and build, geologists and engineers must work together and in a supportive fashion. Yes, if qualified as a geologist.
Geologists interpret, engineers design and build.
Geologists investigate earth materials and processes and advise how to compensate for those conditions to assure safety. Engineers take this information, and working with geologists, determine how to design and build safe structures. Registration is typically self-funded by fees paid by the registrants. Ordinarily, these boards are composed of representatives from the profession and the public. The board members are appointed by state governors with the advice and consent of the legislature.