In Columbia, South Carolina he worked for Charles Coker Wilson (beginning in 1901) for five years.
[1] From 1909 through 1912, Leitner was the official architect for the Atlantic Coast Line Railroad Company doing work in Wilmington, Rocky Mount, and Fayetteville[3] and other locations.
[1] He designed the Ricks Hotel[4] in Rocky Mount and the Atlantic Coast Line Railroad YMCA.
His biggest project in North Carolina were Wilmington's Union Station[5] (demolished in 1970, although a community college building modelled on the original is planned)[6][7] the Atlantic Coast Line Office Building.
[10] His works listed on the U.S. National Register of Historic Places include: