Ability to apply principles of logical or scientific thinking to define problems, consider historical precedent, collect data, establish facts, and draw valid conclusions; to interpret an extensive variety of technical instructions in mathematical or diagrammatic form; and deal with several abstract and concrete variables. A member of the American Institute of Certified Planners (AICP), Virginia Association of Zoning Officials (VAZO) Certified Zoning Official, or other related professional certification including but not limited to American Institute of Architects (AIA) or American Society of Landscape Architects (ASLA) preferred.