He was granted a Western Regional Government Scholarship and admission into Leeds University in England in 1956, where he graduated B.Sc Hons (Electrical Engineering) in 1959.
After few months at the Irish public radio and television organisation Telefís Éireann, Maduka returned to WNTV in 1968 under Teju Oyeleye who retired in 1973 and whom he succeeded as chief executive officer of WNTV-WNBS.
Under his tenure as chief executive officer WNTV-WNBS Ibadan became a show-piece in programming and commercial viability.
[6] Four years later, in 1977, the military administration of General Olusugun Obasanjo appointed Vincent Maduka pioneer Director-General of the new federal television monopoly, the NTA.
He retired voluntarily at the age of 50 to set up a management and engineering consultancy under the name Macrocon Systems Limited.