Wow, Its a good configuration.
On EC2, What Kind of Instances you are on "Small" or "Micro" or Any other.
I have 3 +Years of Experience in working with AWS and more than 5 years of experience with PLESK.
I understand, that the tasks you have mentioned is very important. I can get this completed in less than three working days.
Regards,
Kumaresan Pandurangan