[2] Between 1996 and 2008, Al Subaie worked for the Qatar General Electricity and Water Corporation.
[2][4] He was the Chief Executive Officer of Smeet, a subsidiary of Qatari Diar, from 2008 until 2011.
[6] In March 2011, Al Subaie was appointed the Managing Director of Qatar Rail.
Since January 2017, he is the Chief Executive Officer of Qatar Rail.
[2][3] Since 8 January 2024, Al Subaie has served as Minister of Environment and Climate Change.