Social Media Graphic Designer

We are looking for a designer with a background in social media designing, to support our content creator in one or more of the accounts we are managing (according to the designer's available time).

We need someone fast who is able craft 14 post per week for each page and support in brainstorming post ideas with the designated social media specialist. He or she will be working remotely or from home but he or she should deliver the weekly plans on the agreed time with the social media specialist