Nomgando has held various positions in financial and general management and was employed between 1994 and 2004 at Transnet Pipelines, firstly as financial manager and then as deputy CEO. From 2004 to 2008 she was employed at Eskom Distribution as general manager for the Eastern Region. Nomgando is presently an ordained Minister of the African Methodist Episcopal Church at Umlazi, KwaZulu-Natal. She is a director on a number of boards, including SASOL Limited, and Standard Bank Group Limited. She was appointed to the Hulamin board with effect from 1 March 2010.