10. Social Media Managers. It's the job title given out to loads of new young people that probably can't help but smirking a bit when they explain to their friends what they are getting paid to do for a living: playing around on Facebook, Twitter, and other social media platforms.

The number of social media-related jobs on Monster has surged 75% over the last year, O'Reilly said. About 155 positions are available a month, up from an average of 88 a month a year ago, like Evan Cunningham, the social media manager for Pabst Brewing Co., left.

"I just sort of stumbled into social media," said Cunningham, 24, of Los Angeles. "It made it easier because I'm young, and people assume you know what you're doing."