Born in Kinshasa, N'Kama began his career with AS Vita Club. He moved to play in Portugal at the age of 25, signing with Vitória S.C. He finished his career in the Portuguese second division, playing for S.C. Covilhã and C.D. Olivais e Moscavide.
N'Kama played for Zaire at the 1988 Africa Cup of Nations finals.