The Role Researches, develops, designs, and/or tests components, equipment, systems, and networks in one or more engineering disciplines. May design equipment, facilities, components, products, and systems for commercial, industrial, and domestic purposes. Applies engineering principles to components and systems, including assembly, analysis, and documentation of results; construction of developmental assemblies, sub-assemblies and components; and quality testing. Supports and participates in the design, test, modification, fabrication and assembly of prototype. Applies research to the planning, design, development, and testing of systems, instruments, controls, engines, and/or machines.