He served as the Federal Housing Authority's Executive Director of Research and Innovation Development from October 2021 until May 2022, under President Muhammadu Buhari's administration.

Abdulmumin Jibrin began his early professional career in media by working with Century Research and Communication Limited and later in the construction industry.

Jibrin later became the Managing Director and subsequently Chairman/CEO of Green Forest Group Limited, with subsidiaries in Energy, Property Development, Investment, Agriculture, Construction, and Engineering.

The aim of the group according to Jibrin, as quoted in a national newspaper, was to serve as a "platform for members-elect to establish acquaintance and cross-fertilize ideas emanating from various constituencies for the overall interest of the country.

"[7] Jibrin was appointed by the House of Representatives as the head of a joint ad hoc committee on Finance, Petroleum Upstream, Petroleum Downstream, and Gas Resources to investigate an alleged indebtedness of NNPC to the federation account in response to the continuing outcry by Nigerians for increasing accountability on the part of their governments.

The investigation conducted by the Abdulmumin Jibrin-led joint committee later revealed a non-remittance of the sum of N450 billion by the NNPC to the federation account in contravention of Section 162 (1) of the 1999 constitution.

[10][11] The Committee on Finance under Jibrin further provided justification for the commencement of the Treasury Single Account policy (TSA) and the eventual and presentation of the budgets of some Statutory Agencies that runs into billions collectively from the Executive arm of government to the Legislature by President Muhammadu Buhari.

Jibrin was the chair of the yearly joint committee that modifies the federal government Medium Term expenditure and Fiscal Strategy Paper (MTEF) which deals with all the macro-economic indices that serve as the fore-runner for Nigeria's national budget both between the period 2011–2015.

He also guided the process as Chairman of appropriation that led to the passage of the 2015 supplementary budget sent to the House by President Muhammadu Buhari.

Jibrin sponsored a bill for an Act to repeal the Infrastructure Concession Regulatory Commission (Establishment) Act, 2005 and enact the Public-Private Partnership Regulatory Commission Act, 2016 to strengthen and enhance the supervisory role of the Commission and effectively position it in regulating the participation of the public and private sectors in enhancing construction, development, designing operation or maintenance of infrastructure or development projects of the Federal government through private partnership arrangements; and other matters related thereto (HB.

[17] In March 2015, Hon Abdulmumin Jibrin contested and got re-elected to the House of Representatives by the people of his constituency Kiru/Bebeji Kano state, Nigeria.

A few months after his resignation,[20] he was suspended by Dogara after a scandal in which he accused the leadership of the lower house of parliament of padding the annual budget and driving corruption.

[22] In his 5 minutes nomination speech,[23] the lawmaker-elect for Kiru/Bebeji Federal Constituency of Kano State, Abdulmumin Jibrin described his candidacy as a progressive in the mold of the late sage, Chief Obafemi Awolowo, adding that Gbajabiamila was a man of the people with a proven track record.

In January 2020, Jibrin lost his House of Representatives seat to the PDP's Ali Datti-Yako after a re-run was conducted in his federal constituency.

[24] Abdulmumin Jibrin was on 24 July 2020 appointed Executive Director of Business Development, Federal Housing Authority by President Muhammadu Buhari.

Beyond politics and his business engagements, Jibrin has a deep interest in philanthropy through which he instituted awards and yearly donations/lectures at the NYSC camps across Nigeria.

Abdulmumin Jibrin holds the traditional title of Jarman Bebeji conferred on him by the Kano Emirate Council in November 2012.