Many people who actually want to make some money take jobs like that while in school and even if that’s what he wants to do, that doesn’t show any lack of intelligence. If marrying a professional person is what you think will make you happy, then he may or may not be for you. Do you know his plans?
Also, he may be the perfect person for you. Are you willing to avoid finding that out? Then again, maybe you are not the right person for him.