visitor centers, campgrounds, lodging, water and wastewater systems and treatment facilities, roads, parking, and transportation system infrastructure}; (3) negotiating Architecture/Engineering {A/E) services, construction management services, and construction contracts to carry out a multi-year program of work; (4) identify technical or policy issues, coordinate solutions and keep projects within established scope, design, scheduling, construction, priority setting, material, sequencing, staffing, financial, and/or budget problems to achieve program/project goal, schedule, and budget. Performing maintenance or construction work, including estimating material and labor costs for a variety of construction or maintenance projects (such as construction or maintenance of brick, frame, structural steel, reinforced concrete, and other type structures ranging from one- or two-story buildings to larger structures), directing actual work operations, and maintaining appropriate contacts with the organization funding the project.