Club

He first began to play professional soccer with the Edmonton Brick Men in 1990, he then had stints with London Lasers in 1992. In 1993, he played in the Canadian National Soccer Leaguewith the Winnipeg Fury.^[2] He signed with the Vancouver 86ers where he recorded 9 goals ^[3] and was named the A-League Rookie of the Year, and was named into the First Team All A-League selection. The same year he began his indoor career with the Milwaukee Wave United where he finished fourth on the team in scoring (89 points) and assists (24), and was runner-up for NPSL Rookie of the Year and was named to the NPSL's All-Rookie First Team.

In 1997, Oliviero joined the Montreal Impact, and was with the club until 2002 for all but one season.^[4] His best season with the Impact was 1998 when he recorded 27 points on 8 goals and 11 assists. He tallied a total of 18 goals in 115 games. Oliveiro played for Staten Island Vipers in 1999 when the Impact were not in operation.

In 2003, Oliviero joined Montreal's rival the Toronto Lynx, leaving the team with 115 games played and 18 career goals for the Impact. His signing along with Brian Ashton was announced on April 10, 2003.^[5] During his tenure with the Lynx he played eight games and scored one goal, and assisted Toronto to finish second in the standings for the Voyageurs Cup. He played his last outdoor season with the Milwaukee Wave United in 2004, but after the conclusion of the 2004 season the franchise would fold from. In total he recorded 36 goals and 111 points in the USL First Division.

International

Oliviero played for the Canada U-20 men's national soccer team in 1991 and 1992 and made his senior debut for the Canada national soccer team in an October 1995 friendly match against Chile. That game would remain his only international.