Private practice, Charleston, South Carolina
Private practice, New Orleans, Louisiana, 1845-1846, 1848-1849
U.S. Army, 1846-1848
Private practice, San Joaquin, California, 1849-1850
State assemblyman, California, 1849-1850
Private practice, Los Angeles, California, 1850-1852
District attorney, Los Angeles County, California, 1851-1852
U.S. attorney for the Southern District of California, 1853-1854