He is also the former general manager and director of football operations of the CFL's Edmonton Eskimos and former offensive coordinator with the André-Grasset Phénix, a CEGEP team in Montreal.

He attended Laurier Macdonald High School, where he played football and graduated in 1984, and then worked in the family insurance business.

In 1995, he moved into the ranks of the CJFL as offensive coordinator of the St. Leonard Cougars, who won the championship of the league in Maciocia's first year.

Maciocia served as a volunteer coach for Collège André-Grasset for the 2010 season helping them to a Quebec junior college (CEGEP) championship.

He was later named head coach of the Montreal Carabins football team of the Université de Montréal on November 17, 2010.

In the 2015, the Carabins once again returned to the national title game with Maciocia at the helm, only to be defeated this time by the UBC T-Birds, 16–13.

Maciocia was briefly considered a candidate for the Montreal Alouettes vacant general manager position in December 2016, following the mutual termination of Jim Popp's contract.

In early January 2020 he was once-again rumoured to be a top-candidate to replace Kavis Reed after the team was sold to Sid Spiegel and Gary Stern.