I would recommend trying to negotiate for GS-13. Write out your justification on why you qualify for GS-13 and submit that as part of your counter.This week I will be teaching you how to negotiate your offer if it is necessary. First things first, make sure you take notes during your verbal offer! The RIGHT WAY to negotiate your post-military salary in 2021! Any job offer may have room for negotiation, although major changes in terms are more likely in upper management positions. You may be able to receive additional service credit for public employment before your date of membership or for military service. From salary to starting date to relocation reimbursement, get expert insight on securing proper compensation. Should I negotiate salary after accepting offer letter? After accepting offer!