Hardwaew is pico-SAM9G45.
Log all incomming gerial data and every 15 mins ftp data to server. Use hsdpa usbdongle attached to board.
This is a simple embedded linux project to the right person.
We are in embedded domain for last 10+ yrs and sound experience of data loggers around ARM family specially.
On the basis of our experience and knowledge we can say that we can do this without any issue.