Siri will soon be a feature on Mac computers, if a job posting on Apple’s website is to be believed. A position entitled “Siri UI Engineer” calls for someone with experience with Unix, and specifically with OS X. The posting has since been removed (searching for “Siri” in Apple’s database does call up various other jobs related to the virtual assistant, though), but not before it was spotted by TechCrunch and Apple Insider. The position mentions OS X but not iOS, the only OS Siri currently runs on. Rumors about Siri coming to OS X have been circulating for some time, but they gained new traction last fall when early builds of the next major release of the system software, 10.9, were supposedly being tested. 9to5 Mac quoted “reliable sources” that Siri would be a feature in OS X 10.9. With version 10.8 “Mountain Lion,” all Macs include dictation software, and Siri is the next logical step.