Passing the CFA Level I exam can help you land an entry-level financial job, as an intern, accountant or investment analyst. It won't guarantee you a job or a raise, but it does demonstrate your commitment and knowledge of basic financial concepts. I would also recommend doing internships and work experience in the investment field. This is important, and with a CFA level 1 and good interviewing skills, I don't see any problems.
Your singleness shouldn't matter here in a junior position. Well, I agree with the advice to become more familiar with the industry. I also need help getting a job, since I have passed the CFA Level 1 exam.