ivil engineers design, build, supervise, operate, and maintain construction projects and systems in the public and private sector, including roads, buildings, airports, tunnels, dams, bridges, and systems for water supply and sewage treatment. Many civil engineers work in designconstruction, research, and education.

Civil designers use computer-aided design (CAD) programs to draft, scale, and fine-tune drawings and maps for roads, bridges, and other construction projects. They also assist project managers and engineers in determining material, labor, and other costs.