Thomas was signed by the Nigerian Professional Premier League side with weeks to the start of the new season.
The former Nigerian youth international will hand massive competition to the Ghanaian pair who have been with the former Champions for some time now.
Nana Bonsu, former Ashanti Gold shot-stopper was the first choice goalkeeper when Rangers clinched the League title two seasons ago.
Mutawakilu Seidu, a former Ghana U20 goalkeeper also joined the Nigerian Club from Ghanaian giants Hearts of Oak but played second fiddle to his Ghanaian compatriot.
Femi Thomas will battle the duo for the first choice position at the Club.
Enugu Rangers, seven-time Champions of the Nigerian Professional Premier League made five new signings to beef up their squad as they look forward to better their position next season after finishing in a disappointing 14 place last term.