This week, Chronicle Books is looking for a new director of e-commerce, and Palgrave Macmillan is looking for a new national sales representative. Meanwhile, Penguin has two great openings — the company is looking for a pre-media associate and a digital business director. Get all the details on these gigs below, and find more just-posted opportunities on mediabistro.com.

• Director of E-Commerce Chronicle Books (San Francisco, CA)
• National Sales Representative Palgrave Macmillan (New York, NY)
• Pre-media Associate Penguin Group (New York, NY)
• Digital Business Director Penguin Group (New York, NY)
• Senior Digital Production Controller Cambridge University Press (New York, NY)

For more job listings, go to the Mediabistro job board, and to post a job, visit our employer page. For real-time openings and employment news, follow @MBJobPost.