You would have to prove that you have a promise of employment when you arrive. See https://themortgagereports.com/8812/offer-letter-mortgage-income-approval
. With FHA, you would have to move into the home soon after closing. Otherwise, you might be able to buy the home as an investment property with a conventional loan, but that would require a large down payment. The best way to do it is to buy after you move there and start your new job.