About the Position Under limited supervision, the Senior Project Manager performs professional engineering work of considerable complexity related to project management of Transportation Improvement Program (TIP) projects. This is characterized by the overall responsibility and accountability for the total project scope, schedule, and budget of major scoping and final design projects or programs. About Us We value your time. The time with your family. The time you spend on the road and the time you spend making a difference. At the Maricopa County Department of Transportation, we provide connections that improve people’s lives. By combining innovative technologies with the vast talent of our employees, we plan for future needs