Pro
1) The opportunity to learn something new by doing it, making it and correcting mistakes.
2) She will be able to use all the theory she learnt at college.
Con
1) She did not have any real experience in instructional design and this would be a disadvantage for her. She does not feel comfortable yet in doing the job.
2) She may spend too much time following every single step in the ID because she does not have the experience.