A civil engineer conceives, designs, builds, supervises, operates, constructs, and maintains infrastructure projects and systems in the public and private sectors, including roads, buildings, airports, tunnels, dams, bridges, and systems for water supply and sewage treatment. Many civil engineers work in planning, design, construction, research, and education.
The mathematics required for civil engineering includes but is not limited to College Algebra, Geometry, Trigonometry, Calculus I and II, Linear Algebra, Differential Equations, and Statistics.
In order to find the average income of a civil engineer, please use this link.
For more information about civil engineering, the US Bureau of Labor Statistics breaks down the job of a civil engineer into multiple sections to help better understand the requirements of becoming a civil engineer.