BMetall. in Engineering, University Minnesota, 1940.
Superintendent research engineering Allis Chalmers Manufacturing Company, Milwaukee, 1940—1946. General superintendent Solar Aircraft Company, Des Moines, 1946—1947. Head materials section NEPA division Fairchild Engine & Airplane Corporation, Oak Ridge, 1947—1951.
Head metallurgical, ceramic engineering aircraft nuclear propulsion division General Electric Company, Cincinnati, 1951—1956, manager technical production., 1956—1961. Manager Kawecki-Berylco Industries, Inc., Hazleton, Pennsylvania, 1961—1964, general manager division, 1964—1965, manager alloy division, 1965—1971, manager manufacturing technical, 1971—1972. Manager facilities and equipment engineering United Nuclear Corporation Naval Reactors division, 1972—1974.
Vice president engineering and construction Uranium Recovery Corporation, Mulberry, 1974—1979, vice president special projects, 1979—1983. President Walter J. Koshuba & Associates, Consultant Engineers, Highland City, from 1983.
Fellow: American Institute Chemists. Member: American Nuclear Society, Institute Ceramic Engineers, American Powder Metallurgy Institute, American Ceramic Society, American Institute Mining, Metallurgical and Petroleum Engineers, American Society Metals, Pennsylvania Manufacturers Association, Hazleton Industrial Council.
Married Renella J. Waaland, September 8, 1945. Children: Walter Joseph, Mykola J.