To become a CNC programmer, you will need to have a strong understanding of computer programming languages, as well as knowledge of machining processes and materials. You will also need to be able to read and interpret technical drawings and blueprints, and have good problem-solving skills. Additionally, attention to detail and the ability to work independently are important qualities for a successful CNC programmer. Training and certification programs are available to help individuals develop the necessary skills and knowledge to become a CNC programmer.