He enlisted in the United States Navy after graduating from high school and served during the Vietnam War era, and later was stationed at Naval Air Station Sanford in Sanford, Florida.

When he completed his Naval Service, he later retired from the US Navy and moved to Deltona, Florida.

In 2005, Dennis Mulder declared his candidacy to succeed Masiarcyzk as mayor and later won that year defeating City Commissioner Doug Horn.

In 2010, Masiarcyzk won election again to replace the incumbent mayor Dennis Mulder who resigned from office not seeking re-election.

Masiarcyzk won re-election again as mayor defeating his challenger, Zenaida Denizac, who was a commissioner of the city in the year of 2014.