An RF design engineer is a specialist within electrical engineering whose duties involve working with electronics and radio frequency. RF design engineers have job experience working with systems that are used to receive or transmit radio waves. Examples of this type of equipment include radios, cellular phones, circuits, and wireless communications. To have a career as an RF design engineer, you need a bachelor’s degree in electrical engineering to start and a master’s degree for more advanced positions. Other qualifications and skills may include experience working with radio transmission equipment, as well as state-specific licensing or certification.