Career
College and Amateur
Senior moved from his native Jamaica to the Washington District of Columbia area as a child. Senior played two years of college soccer at Howard University, moving to James Madison University prior to his junior year. During his college years Senior also played for Delaware Dynasty in the USL Premier Development League.
Professional
Senior turned professional in 2010 when he signed to play for the Real Maryland Monarchs in the USL Second Division.
He made his professional on 22 May 2010 in a game against the Charlotte Eagles. In 2011, Senior signed with Harbour View F.C. in the Jamaican Premiere League.
International
Senior played for the Jamaica U-20 in the final round of CONCACAF Under-20 Tournament in 2007. He was subsequently called into a full Jamaican national team training camp spring 2008, He made his debut for the senior side against Cuba in a Friendly on February 22, 2012.