Local union president Mario Levesque says 96 per cent of ballots cast today supported the move.
Levesque says workers have been without a new contract since last November.
He says the sticking points in negotiations remain wages and pensions, along with work being outsourced to the United States and Mexico.
There are about 470 unionized workers in total at the Quebec plant, which is currently helping to build a new fleet of subway trains for Montreal.
Bombardier didn't immediately return a request for comment.
The Montreal-based transportation giant employs nearly 7,000 people at manufacturing, engineering, services and business centre locations in Quebec, Ontario, the United States and Mexico.Suggest a correction