Sydney bounced back from their derby loss in the A-League on Friday night, thrashing Newcastle 4-1.
The Sky Blues dominating the Jets at Leichhardt Oval, Kosta Barbarouses scoring his first goal in Sydney FC colours.
The Jets remain winless after the opening four rounds.
Ernie Merrick says no one on his side was on their game, conceding the better team won on the night.
The Jets still searching for their first win of the season.