As a materials engineer, you develop, test, and process new materials. You may create new types of plastic, metal, or ceramic materials for use in various applications. You work with nanomaterials and other unusual substances to create products that meet specific chemical, electrical, or mechanical requirements. Depending on the company's needs and the status of a material's development, you typically work in a laboratory or an office setting. Many potential materials are modeled on computers before attempting manufacture, so familiarity with design software is paramount.