Department of Civil Engineering: Instructor in Mechanical Drawing and Mathematics1883-1884; Instructor in Mathematics 1884-1885; Instructor in Civil Engineering 1885-1887; Assistant Professor in Civil Engineering 1887-1890; Associate Professor in Hydraulic Engineering 1890-1896; Professor of Hydraulic Engineering 1896-1914; Professor of Hydraulic and Sanitary Engineering 1914-1921; Professor Emeritus 1922-1935; Chairman of the Faculty 1909-1911.