Maybe, maybe not - it's impossible to say from that info. What matters more than level and age provided you still have four years is what skills you have now and what potential you have to get D skills and C+C connections or a 10 SV vault. It is not necessarily an impossibility, for a walk-on. But there are many factors at play. A scholarship would probably be somewhat unrealistic. And it matters that your coaches know what the requirements are, how to support the recruiting process, and teach the skills you would need. Also, on this tight timeline, avoiding injury would of course play a big role.
Also keep in mind that there are many collegiate club teams that compete, and you could do that too. And you can stay involved by coaching.
Good luck. Try to have fun with it. Talk to your coaches about your goals ASAP so they can do their part too. If they don't know how important it is to you, they can't do all they can to help.