In 1689, he was named commandant at Trois-Rivières and, in 1692, town mayor of Quebec City.
He married Catherine, the daughter of Charles Aubert de La Chesnaye in 1697.
From 1699 to 1708, Galiffet served as king's lieutenant at Montreal.
As governor of Trois-Rivières, he reestablished the town's garrison.
[1] Gallifet returned to France in 1720 and retired to Avignon.