Becoming a machinist can take several forms.  Some train in apprentice programs, informally on the job, or even high school shop class.  However, employers want to hire well trained employees who possess computer skills.  Schools offer a 10 to 14 month program to become a machinist with courses in reading blueprints, math, physics, trigonometry, mechanical drawing and CNC operation.

Even with schooling, a certain amount of on the job training is still necessary.  The National Institute of Metalworking Skills (NIMS) also offers a certification program that can boost your employability.