This week, Offerpop is hiring an account executive, while High 5 Games is in search of a technical artist. The Environmental Defense Fund is in need of a social media specialist, and Planned Parenthood Federation of America is looking for a digital strategy and social media specialist. Get all the details below and check out more openings on mediabistro.com.

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.