Your team has many FRC teams in your proximity that are interested in mentoring. I would start by asking the teams in your area if they have any mentors that would like the job opening.
From my mapping skills, your school is FRC #1661 and I provided a snapshot of teams in your area. If you want to find contact info on the teams go to
http://mentorsearch.us
The Regional Directors are busy people, so you might not always get a fast response...