A communications engineer builds and maintains telecommunication systems, from radio to satellite to internet technologies. As a communications engineer, your job duties include designing and developing communications networks from the ground up, installing and testing communications systems, troubleshooting and debugging existing systems, and fixing problems as they arise. The qualifications for a career as a communications engineer include a bachelor’s degree in electrical engineering or a related field, and experience working on communications systems. You need strong technical skills and the ability to continuously learn new technologies.