Pengiran Mohammad's career began as a religious teacher at the Raja Istri Pengiran Anak Damit Arabic Girls' Middle School in 1971. He would go on to serve several other positions such as a religious officer in 1979; Acting Superintendent of
Preaching and
Tabligh from 1981 to 1983; Senior Religious Officer in 1985; deputy director of the
Ministry of Religious Affairs's (MORA) Institute of Islamic Studies in 1991; Director of the Institute of Islamic Studies in 1996;
First Dean of the Sultan Haji Omar 'Ali Saifuddien Institute of Islamic Studies from 1999 to 2002; and Special Duties Officer (National Education Council)
Ministry of Education in 2003. He spoke in the UNISSA Auditorium as part of the Center for the Advancement of Knowledge and Language's Special
Malay Islamic Monarch (MIB), which was titled "History of the Arrival of Islam to Brunei Darussalam." On 31 July 2015, Muhammad said that one must do the
Hajj according to Islamic requirements in order to have a blessed Hajj. The ministry went on to say that when doing the Hajj, one should be extremely mindful of all rules, pillars, mandates, and prohibited behaviors. To provide instructions on how to carry out various Haj rites, including
Tawaf, Sa'ie,
Stoning of the Jamrah, and the proper manner to put on the ihram garment, six Haj practical facilitators have been selected. Following the
2015 Bruneian cabinet reshuffle on 22 October, his tenure as minister came to an end. == Personal life ==