About 150 workers at the Canadian Museum of Nature may soon walk off the job after their bargaining committee voted 78 per cent in favour of a strike mandate on Feb. 15, the union representing them said.

The Public Service Alliance of Canada (PSAC) said a conciliation session is slated for Tuesday between the union and the museum. They said workers will be in a legal strike position on March 12. Researchers and maintenance workers are among the affected employees.

Job security, shift work and scheduling are key concerns, the union said.

“We are hopeful that with this overwhelming strike vote, the museum will get the message that our members are serious about service to the public and not prepared to accept concessions,” said Max Joly, president of PSAC local 70395 at the museum.