Also, until you have interviewed, all positions are "unspecified". Many positions need to be filled and they don't pick one for you until they know what you can do.
Geography is not really considered to be an issue. Once SRE finds someone they really want they will help with relocation.
I has additionally heard rumors that recruiters were so silo'ed that they would actually just throw away a resume rather than route it. Reason being that they were in a competition with all recruiters, and worst performers (based strictly on a numbers game) didn't get their contracts renewed.
*May have been as low as less than 5, its been a few years, and I never really took to memorize what was posted on the wall while I was at the urinal.