Generally speaking, a robotics engineer makes between $55,000 and $65,000 a year. As of 2013, The earning potential of a robotics engineer depends on his education, years of experience and the size of the company that he works for. A robotics engineer designs and builds robots. He needs to know drafting and computer aided systems to design robots. Robotics engineers usually attend college for a minimum of four years, or he may attend school longer for an advanced degree.