User blog comment:Niko.meurett/What I would like to see in Mass Effect 3/@comment-805408-20120122211133/@comment-1752998-20120123001439

Considering Garrus did serve in the turian military, my guess in a low position, and his father was a C-sec officer. I doubt he is very high in level. If he was then we should have known it by now or we would have never had met him outside turian space or in such a lowly position like C-sec.