Since 2018, he has been consulting for China Railway 20 Bureau Group Corporation as an Individual Consultant focussing on business development

In 2019 and 2020 he was engaged by Grant Thornton (formerly KPMG) as an Individual Consultant to carry out the Technical Audit component of the Financial Audit on selected roads in Malawi. Grant Thornton was engaged by the Roads Authority. Later in the year he was also engaged by Banja La Mtsogolo/UNFPA to design a clinic and supervise the construction works of the same.

Vitumbiko returned to Malawi from Namibia after joining Surge Infrastructure Development Limited and Nedebe Group as a director. Nedebe and Surge have three (3) different Public Private Partnership Agreements with the government of Malawi which they are busy working on. As the locally based director, Vitumbiko is responsible for contract administration of these infrastructure projects which are currently on Financial Closure stage. For more information visit https://surgeid.com/dt_team/vitumbiko-mumba/

In December 2013 Vitumbiko relocated to Namibia where he joined the Roads Authority as a Projects Control Engineer. He managed various multimillion rands projects some of which were in billions like the Windhoek – Okahandja Section 4a Dual Carriageway.

In February 2009 Vitumbiko left for Botswana where he secured a job with Bash Construction as a Site Agent on the Lethlakane – Mmathsumo Road Project. He later joined Pula Consulting Engineers as Assistant Resident Engineer (Measurements) on the construction of Francistown – Ramokgwebane Access Roads Project. He then worked for Bango Trading Construction as a Contracts Manager where he managed multiple projects from tendering, execution and handover.

2007, Vitumbiko worked for Liwenga Civil Engineering. The works ranged from construction of telecommunication towers, rehabilitation of dams and irrigation works to European Union labour based road project projects. Thereafter he joined Mota – Engil on Malowa – Goliati Road and Thyolo – Thekerani – Bangula Road.