 Junker was never a great success and was allowed to go on loan to First Division side Ølstykke FC.Junker did not fit into the 4–2–3–1 system favoured by Brøndby manager Michael Laudrup and in 2004 he was sold to FC Nordsjælland.In FC Nordsjælland Junker got off to a flying start, scoring 11 goals in the first half of the season.