Assistant engineer A.&M. Railway, 1888. Assistant city engineer Lafayette, Indiana, 1889. Deputy county engineer Tippecanoe County, Indiana, 1890-1892.
Professor civil engineering, University of Missouri, 1893-1898. In Europe, 1898; professor civil and sanitary engineering, University of Missouri, 1898-1900. Dean College of Engineering and professor civil engineering, University of Cincinnati, 1900-1903.
On leave of absence, 1901-1903, with Mexico Central, Texas & Pacific and S.P. railroads. Assistant to general manager S.P. Company, July 1904-May 1905. In personal charge of diverting Colorado River from running to Salton Sea, 1906-1907.
Assistant to president associated Harriman lines in Arizona and S.P.R.R. in Mexico, May 1905-April 1911. General manager and chief engineer of the California Development Company and La Sociedad de Riego y Terrenos de la Baja California, April 1906-December 1910. Consulting engineer at San Francisco, 1909-1917.
Director general foreign relief, American Red Cross nat. headquarters, 1917-1918. Construction engineering of the United States Reclamation Service on soldier’s land settlement plan, 1918-1920. American member International Nile Projects Common for the Egyptian and Sudanese goverments, Cairo, Egypt, and Khartum, Sudan, January-September 1920.
Construction engineering San Francisco, California, 1920-1921. Construction engineering Los Angeles, California, and also for the United States Reclamation service, 1921-1923. Chief of engineering Palos Verdes project, Redondo Beach, California, 1922-1924.
Chief engineer Guadalquivir marismas desalting and irrigation project, Seville, Spain, 1925-1927. Construction engineering Muluya Valley irrigation project. French and Spanish Morocco, 1926.
Construction engineering Los Angeles, California, since 1928. Advisory engineer Los Angeles Agency, R.F.C., 1932-1934. Advisory commission on R.F.C. earthquake rehabilitation loans, 1933-1934.
Member Passamaquoddy Bay Tidal Power Project Commission, 1934-1935. Construction engineering Soil Conservation Service, United States Department of Agriculture, Albuquerque, New Mexico, and Washington, District of Columbia, 1935-1940, supervising engineer, Defense Plant Corporation, United States Government, 1941-1942. Manager Los Angeles Office Bureau of Economic Warfare, 1942-1943.
Consulting engineer, Los Angeles, California, since 1943.