No federal taxes being withheld. Will that hurt me at tax time

[DoninGA]

Depends on your income.  If less than the minimum required to file, then probably not.  If more than the minimum required to file, then Yes.

Go to IRS Publication 501 Dependents, Standard Deduction, and Filing Information (2018) and see the table on page 2 or if you are a dependent the table on page 4 - https://www.irs.gov/pub/irs-pdf/p501.pdf

[xmasbaby0]

It also depends on whether you are going to get a W-2 or if you are an independent contractor being paid in cash or getting a 1099Misc.  If you are an independent contractor then at the very least you are going to owe self-employment tax for Social Security and Medicare.  But you have provided no information about your filing status or your income.