Specifically, new designers who are unfamiliar with agile, software development, or iterative design. In my case, I hire designers who show initiative and have a track record of being teachable. These hires largely do not have in-depth UX experience.
My approach has been to have them shadow a senior UX designer from start to finish on a project, then take the lead on the next project with help from that senior UX designer.
Has anyone else experienced this? How have you approached it?