It’s widely considered a best practice in recruiting to use job titles that are consistent with market conventions and candidate expectations. If you’re trying to hire an accountant, for instance, calling the position a “General Ledger Specialist, Accruals & Reporting” (what one of my employers called the poor bastards balancing the books and budget), while very specific and somewhat sexy, is not likely to yield a whole lot of passive candidates or even active applicants.
More information: http://recruitingdaily.com/internal-mobility-talent-acquisition-recruiting/