Mondo played for Papua New Guinea in 1996 against Australia during the Super League war.
Mondo also had two separate stints with the Narrandera Lizards in 1996 (in which he was a Group 20 grand finalist which lost 21-20 to Yanco Wamoon) and 1998 and again two separate stints with Yanco Wamoon in 1999 and 2000 (in which he won a premiership with Yanco Wamoon) and 2005 until 2008.