Seriously, that would be my guess. I know A Closer Look has put out advertisements looking for schedulers before. As has All Star I think. I actually was offered a job as a scheduler once. Other than that maybe just let it be known when you are communicating with companies that you might be interested in scheduling.
There are reasons that a body stays in motion
At the moment only demons come to mind
I have seen a few e-mails over the years, from companies I shop for, letting me know they were looking for a scheduler. They wanted to know if I was interested or knew anyone. It would not hurt to reach out to the companies you shop for.