Mr Mahlangu was previously employed in industrial engineering at the Rosslyn plant of BMW for sixteen years. He had a two-year stint with Noristan Pharmaceuticals near Mamelodi. In addition to his qualification in Workstudy and Organization, he was awarded the DPLR and MDP certificate by UNISA’s School of Business Leadership, and is currently pursuing an MBA degree with Edinburgh Business School (Heriot-Watt University)
Mr Mahlangu served as one of the representatives of the Public Service Administration Minister in the Public Service Bargaining Council, and was Chairperson of the Inter-Provincial Labour Relations Forum. He has served as executive member of various political, labour and civic structures and has a keen interest in philosophy. Amongst others, he was a former:
- Regional Chairperson – ANC (Brits to Hammanskraal)
- Publicity Secretary Mamelodi Civic Association (UDF affiliate)
- Chairperson Inter-Provincial Labour Relations Forum
- Executive member Mamelodi Action Committee (UDF affiliate)
- Part time organizer NAAWU (now NUMSA) in the motor industry in Pretoria (in the late 70s early 80s)
- Executive member Northern Transvaal Football Association
- Chairperson BMW Employee Council
- Deputy Secretary Mamelodi Football Association
In January 2004, he was re-appointed Commissioner resident in North West.