Gumbo was initially appointed to the managerial position of Zimbabwe in 2005, but was sacked following a 3–0 loss against Nigeria.
[3] On 8 March 2014, he was appointed manager of Botswana Premier League club Gaborone United.
[5] On 28 September 2018, Gumbo was sent on "forced special leave" by his South African National First Division side Witbank Spurs due to poor results that has seen the ambitious outfit registering just a single win in five league starts.
[6] In June 2019, Gumbo, who at the time was the assistant manager, took charge of the Zimbabwean national team for the semi-final against Zambia.
This was necessitated by coach Sunday Chidzambwa's return to Zimbabwe after he was granted compassionate leave following the death of his father.