Career
College and amateur
Omanga played college soccer at the University of Montevallo in 2012 and Southern New Hampshire University in 2013. During his college years Omanga also played for Global Positioning System Portland Phoenix in the USL Premier Development League. Professional
On January 21, 2014, Omanga was drafted in the third round (50th overall) of the 2014 Master of Library Science SuperDraft by New England Revolution.
Despite not earning a contract with New England, Omanga signed with New England"s USL Pro affiliate Rochester Rhinos in March 2014.
He went on to make his professional debut on August 3, 2014 in a 0-0 draw with Orlando City. In May 2015 Omanga was signed by the Finnish side Football Club Jazz.