Private practice, El Dorado, Oklahoma, 1912-1916
Private practice, Clovis, New Mexico, 1916, 1929-1933
Assistant attorney general, State of New Mexico, 1917-1918
Collector of internal revenue, State of New Mexico, 1919-1922
Judge, New Mexico District Court, Ninth Judicial District, 1923-1929
U.S. senator from New Mexico, 1933-1949