The career connections volunteer sign ups are up and functional on the polygon website.  They can be accessed at:
http://www.engr.wisc.edu/studentorgs/polygon/careerconnections/

The sign-ups will work on the following schedule:
Friday 8AM: Sign Ups Open - Allowing 3 volunteers per org
Saturday 5PM: Sign Ups Open Unconditionally
Monday 1PM: Sign Ups Close

If you have any questions about the sign-up please email ajmadsen@wisc.edu