He served in the United States Navy Transport Service during World War I.
He was a law member and Vice Chairman of the Public Utilities Commission in Washington, D.C. from 1934 to 1940.
He was an administrative assistant to President Harry S. Truman from 1945 to 1946.
[1] Keech received a recess appointment from President Harry S. Truman on October 14, 1946, to an Associate Justice seat on the District Court of the United States for the District of Columbia (Judge of the United States District Court for the District of Columbia from June 25, 1948) vacated by Judge Jesse C. Adkins.
His service terminated on April 13, 1986, due to his death.