He played the first seven years of his career for the Pittsburgh Pirates, then two for the Minnesota Twins, and one for the Atlanta Braves.

During his rookie season, Doumit played primarily as a backup catcher but also served as the Pirates' designated hitter in interleague games.

[4] On September 26, Doumit attempted to throw out Willie Harris trying to steal 2nd base, but instead plunked Pirates pitcher John Grabow; see [1] On December 22, Doumit agreed to a three-year contract with the Pirates to avoid arbitration.

On November 18, 2011, Doumit agreed to a one-year, $3 million deal with the Minnesota Twins.

[8] On December 18, 2013, Doumit was traded to the Atlanta Braves for minor league pitcher Sean Gilmartin.