IT infrastructure engineers build and maintain the hardware and software components of their employers IT network. When servers, routers, PCs, and other equipment need to be set up or fixed, an IT infrastructure engineer is usually the point person for the job. With the increasing ubiquity of computer and internet technology in all facets of the economy, these professionals can be found in any company as well as government and nonprofit entities. They typically work regular business hours in an office environment; however, roles focused on technical support may require more travel and on-call time, as well as rotating shifts.