Computer hardware engineers oversee the manufacture, installation, and testing of computer systems, servers, chips, and circuit boards. They work with peripherals including keyboards, routers, and printers. Another title for this occupation is hardware engineer. Computer engineering jobs involve researching, designing, developing and testing computer hardware and software systems, including circuit boards, processors, digital memory storage and computer programs. Computer engineers also design and build networks, computer security, autonomous vehicle systems, smart devices, wearable device and robotics.