The administration of Virginia Tech told you that you need to find a job freshman year? That sounds kinda strange. Or are you talking about the financial aid office recommended that you should look for a part-time job to make tuition more affordable?
Once good area for part-time work (other than around Blacksburg) would be working for dining services at Virginia Tech. That is common for a lot of students. https://www.dining.vt.edu/employment.html
Here is also another link for all different jobs on campus
https://www.hr.vt.edu/jobs/prospective-employees/student-employment.html