A Hardware Engineer is required to design, develop, research and test systems for computers and components in order to create new products as well as improve on existing ones. These products often include items such as circuit boards, memory, processors, routers, networks and graphic boards.Hardware Engineer may be responsible for testing and analyzing data from test results and then modifying a design as required, or one might be involved in overseeing the manufacturing process of a given piece of hardware from start to finish.