DUTIES Performs multiple, varying, and complex assignments and plans the implementation of airport pavement projects/programs under limited direction of a manager, project/program manager, or more experienced engineer. May act as a contributing specialist on large work activities or as a team leader for single or small work activities.  Applies experience and advanced knowledge of engineering principles, theories, and concepts applicable to his/her discipline to accomplish assignments and to develop plans and techniques to improve programs and policies.   Performs research, development and implementation efforts related to the increase in capacity of the National Airspace System through the improvements to airfield pavements.  Typical duties will include: Ov