[8] Chibamba began working at Zambia National Broadcasting Corporation (ZNBC) in 1989, he started as manager and he rose to the position of Executive Producer, he served in institution until 1996.

[12][13] In March 2012, Chibamba returned at Zambia National Broadcasting Corporation (ZNBC), where he was appointed as Director General replacing Joe Chilaizya.

[17][18] In 2011, he was appointed as a UNICEF's Ambassador for the ‘Brothers for Life Campaign’ focusing on youth behaviors related to alcohol and substance abuse, violence, sexual obstinance and health living.

[20] He is accredited on a non-residential basis to Belize, Costa Rica, El Salvador, Guatemala, Haiti, Honduras, Jamaica, Mexico, Nicaragua, and Panama, Chibamba took over from Lazarous Kapambwe who had served since January 2020.

The President of the Economic Association of Zambia, aligned to the ruling party, Lubinda Haabazoka issued a social media statement disowning Chibamba that he was not an economist.

The issue of Chibamba not being an economist emerged a few years later following another statement in which he supported an IMF programme for Zambia under the new regime of the United Party for National Development (UPND).

The Minister of Finance and National Planning Dr. Situmbeko Musokotwane quickly issued a statement claiming Chibamba was his student in economics at the University of Zambia.