Guest Writer Editor/Sourcer

I'm looking for someone who can source writers for one of my websites. The site is a popular website for working mums, and I am looking to create a pool of writers who can cover everything from parenting to careers advice, to relationships at home and at work.

This role will require someone who can approach 'experts' in social media on the website's behalf, via email (company email provided), and send them a brief (also provided), managing the process from recruiting, to sending login details to the site, so they can submit their articles directly.

I am looking for someone who can commit to a couple of hours a week, to really get this off the ground. It will be an ongoing role, so the ideal candidate will be someone who is a self starter, and who has good social media knowledge.

Thanks