I would start off delivering pizzas to get some experience and references that's how I started they seem to hire people that have no experience
For first time job seekers, here it is: Seek a job you know something about, or something you have a passion for. Remember this, happiness on the job is first, 2nd. is compensation, and 3rd. Opportunity for advancement. Do your homework on the potential employers, is all about setting yourself for success. Good luck!
If you cannot find something in your field of preference look for something that has transferable skills. That is skills that you can learn something from so you can apply them to your career of choice. Then when you apply to that field you have a base of the skills that are needed in that area