You can request an installment plan with the IRS.
You can file Form 9465 (Installment Agreement Request) with your return when you e-file.
Please take a look at the following information on how to file the request:
If you file your return first, you will need to go to the link below to access the form and instructions. You will need to complete the form, following the instructions, and mail to the IRS. The address is included in the instructions.
You would pay as much as possible now to minimize interest, however you
may need those funds if a job is not forthcoming.