Technical and Marketing administrator

Looking for someone who can help us with following
1. Maintain and update Website using Wix
2. Research internet and publish articles related to our services on LinkedIn profile
3. Create or Review contents of documents or materials and recommend changes to support business
4. Capture requirements document during client meeting and review with the team
5. Maintain all documents related to projects in sharepoint or file folder
6. If interested to learn about technical development, spend time to understand system development