Infrastructure almost always becomes a commodity, or at least moves behind the scenes. For it to be lucrative, interesting technical position, you have to have

Infrastructure almost always becomes a commodity, or at least moves behind the scenes. For it to be lucrative, interesting technical position, you have to have a large-scale enterprise (like Google), serving millions of people, and you have to promote it as a worthwhile career path (also done at Google as the SRE position).