There are several writing programs on campus:
English Language Institute http://www.eli.ufl.edu/firsttime/special.htm;
Dial Center for Written and Oral Communication http://web.cwoc.ufl.edu/;
Reading and Writing Center http://at.ufl.edu/rwcenter (they allow 2 appointments per week if you sign up in advance at 392-6420); and the
University Writing Program http://www.writing.ufl.edu/.
Also, the Graduate School Editorial Office http://gradschool.ufl.edu/editorial/introduction.html may maintain a list of editors for hire.