Are you looking to get a job at a pay per click provider (such as Google)? Are you looking to manage pay per click campaigns in-house for a business that uses PPC as a marketing channel? Or are you looking to work for an agency that provides PPC campaign management to client companies?
In any case, of course it's possible to get these kinds of jobs. People do it all the time. Answer the questions above to determine the type of company you want to work for, research what skills they're looking for, develop those skills and apply for a job.