Mr. Najib Shah is associated with the Federation of the Indian Chamber Commerce & Industry (FICCI) as a member of the FICCI CASCADE Think Tank. He is currently appointed as an Independent Evaluation Monitor by the Central Vigilance Commission with the Ministry of Food Processing Industries (MoFPI), Indian Institute of Science, (IISC) Bengaluru and Indian Bureau of Mines, Nagpur.

During the period 2008 to 2017, he was associated with Ministry of Finance, Government of India under various roles such as Joint Secretary, Chief Commissioner of Customs, Director General - Directorate of Revenue Intelligence and Member (Budget) and Chairman of Central Board of Excise & Customs.