Computer hardware engineers research, design, develop, and test computer systems and components such as processors, circuit boards, memory devices, networks, and routers. Duties As a Computer hardware engineer i typically do the following: Repair of computer hardware parts, Software installation Analyze the test results Test and troubleshoot of software Update existing computer equipment so that it will work with new software Oversee the manufacturing process for computer hardware As a Computer hardware engineers I ensure that computer hardware components work together with the latest software. Therefore, hardware engineers often work with software developers. For example, the hardware and software for mobile phones and other devices frequently are developed at the same time.