As a mold designer, you use computer-aided design (CAD) software to create plastic molds for manufacturing processes. Your job duties include designing molds, using CAD software and programs like Pro-E, Unigraphics Drawing, Solidworks, and AutoCAD, and visiting manufacturing facilities to make sure your mold designs work correctly. You can fulfill the majority of your responsibilities in the office, but a good mold designer frequents the manufacturing floor to inspect their product. The qualifications to start a career as a mold designer are an associate degree in plastics engineering technology or tool and manufacturing technology, and five to eight years of experience in the field. You need excellent problem-solving skills for this job as well.