What they do

A Radio Frequency (RF) Engineer works with technology and electronic equipment that uses radio waves, from cell phones to radio stations. Designs, installs, and repairs systems and equipment that transmit radio signals. May specialize in design or maintenance; may focus on the design of transmission equipment, such as radio antennae, or manage larger systems such as networks of cell phone towers.

$145,700 / year median in California

-4% projected decline