I need a marketing assistant for a few hours a week

I am looking for an assistant to help me with marketing and content tasks a few hours a week.

Tasks will mostly include:
1. Finding articles about specific topics online
2. Making lists of blogs about certain topics
3. Research on social media
4. ... etc.

BEFORE YOU SEND A PROPOSAL
Make sure you meet these requirements:
1. Native English speaker and writer (UK and US are both ok)
2. Very proficient with online research and social media
3. Fast worker
4. Has an upgraded LinkedIn account (not required, very high advantage)
5. Willing to sign an NDA
6. Content writing experience (advantage)

Please add to your proposal:
1. Your hourly rate
2. Your availability (how many hours a day/week, what hours you're available)
3. Do you have all of the requirements (please say if you have the advantages as well)

Thank you