But union officials have delayed naming dates for industrial action with talks ongoing to solve the dispute over proposed changes to pay and shift patterns.
There was a 97% vote in favour of strike action by members of the Unite trade union in the 455-strong workforce at the brewery, which makes brands including Carling, Grolsch and Cobra.
Unite regional officer Rick Coyle said: “The overwhelming vote in favour of strike action shows the strength of feeling at the way the company has behaved towards its loyal workforce.
“Talks are carrying on. The management has engaged in a constructive dialogue and Unite is seeking a settlement that is fair to our members – and we are working very hard to achieve that end.
”Until these talks have concluded – and depending on the outcome - the union won’t be announcing any strike dates.”
A Molson Coors’ spokesman said it had “strong contingency plans” in place to fulfil orders if a strike did go ahead.
He added: “This vote does not make strike action a certainty given that negotiations are ongoing.
“We continue our engagement in meaningful consultation with Unite and its members.”