The recent decision of United Steelworkers of America, Local 9548 v Tenaris Algoma Tubes Inc, 2014 CanLII 26445 (ON LA) provides an example of how a unionized employee’s off-duty social media behavior can justify dismissal, despite the absence of any reference to social media in the company’s harassment policies.

The grievor was a crane

In Canada Post Corp. and C.U.P.W. (730-07-01912) (2012), the grievor, a postal clerk with 31 years of service, was discharged after management became aware of her inappropriate postings on her Facebook account. The postings were made over a one-month period and contained a number of derogatory, mocking statements about her workplace and supervisors. The employer