Amazon account specalist

We are looking for somone to manage our Amazon account. Please be very experienced with amazon case management and working in seller central.

- How would you solve these problems?
1 - A product listing is down in seller central.
2 - the graphic designer needs photos from the photographer for a marketing campaign that is due to start in 10 days
3 - we do not have office admin
4 - for how long have you worked in seller central and what do you like or dislike most about it?