Vargas began his career at the Victorian Premier League side, Springvale City, where he debuted at the age of 17 under Gus McLeod.

He was the subject in a controversy when he was allegedly called a "black monkey" by the Newcastle United Jets midfielder, Stuart Musialik.

[3] Vargas was a key member of the Melbourne Victory team in their first appearance in the Asian Champions League in 2008 against Chunnan Dragons at the Telstra Dome.

After being released by Green Gully after the 2016 season, Vargas joined NPL Victoria 2 side Dandenong Thunder SC.

[2] After his brother Andy was sacked as coach of Thunder in June 2018, Vargas joined FC Bulleen Lions.