Social Media Jobs: McMurry/TMG, American Council on Exercise, Silverstein Properties

This week, the McMurry/TMG is hiring an educational technology social media journalist, while the American Council on Exercise needs a senior public relations specialist. Silverstein Properties is seeking a social/digital media manager, and The Poynter Institute is on the hunt for a director of advertising. Get the scoop on these openings and more below, and find additional social media jobs on Mediabistro.