Nondumiso started off her career in advertising where she handled various accounts for clients in financial services and broadcasting. She later became a Brand Manager for SABC 1 and went on to hold various roles at the South African Broadcasting Corporation including; Marketing Manager for SABC Sport.
She joined FNB Commercial Banking where she worked as a marketing strategist for the Global Business Banking, Agriculture, Franchising and Healthcare business.
In 2014 she joined M-Net as Head of Corporate Marketing and later served as Head of Publicity, and then Head of Marketing and Publicity for the M-Net Local Entertainment Channels. Nondumiso holds a Higher Diploma in Communication specialising in Brand Management, a BA Honours Degree in Marketing Communication and a Master of Business Administration Degree.