Oh, the irony of it. One of the major pushing points of the Leave campaign was controlling immigration and stopping foreigners from taking "British" jobs.
Problem is the UK only has 25-40 trained trade negotiators. To negotiate all the new trade agreements we're going to need to exit the EU, the government is going to need somewhere between 200 and 400. The solution? The UK is going to have to go abroad to find the talent it needs.