PR Jobs: National Geographic, HarperCollins, Joonbug

This week, National Geographic is hiring a communications and new media manager, while HarperCollins is on the hunt for a senior publicist. Joonbug is seeking a marketing and events manager, and Bauer Publishing is on the hunt for a senior PR manager. Get the scoop on these openings and more below, and find additional just-posted gigs on Mediabistro.

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