The 20-year-old will be working with former Sunderland midfielder Lee Clark.
Jefferies Group has eliminated 17 positions on its equities trading desk last week after revenue fell in the first quarter, people with knowledge of the matter said.
Four youngsters will not be at Sunderland next season
The Sunderland player recently moved away on loan until the summer.
Martin Smith believes losing Sunday's Tyne-Wear derby would be a much bigger blow for Newcastle United that it would be for the Black Cats.
Sunderland youngsters are currently topping the Under-21 Premier League table.
Martin Smith has bemoaned Sunderland's lack of attacking intent.