Strong technical expertise, attention to detail, and decision-making skills—including Stop Work Authority—are essential to ensure construction integrity and project success.Job Description. Commissioned by the Georgia Department of Transportation (GDOT) and Georgia State Road Tollway Authority (SRTA), the project will add two 16-mile express lanes from Sandy Springs MARTA Station (Exit 5) to McFarland (Exit 12), enhancing mobility along one of Georgia’s busiest corridors.