Datuk Dom holds a Degree in Civil Engineering with Hons from University Technology Malaysia.
He started his career with Pernas Engineering Sdn Bhd as a Civil Engineer. He left Pernas Engineering Sdn Bhd in 1989 and joined HSS Integrated Sdn Bhd as a Civil Engineer and later promoted to Assistant Resident Engineer. He left HSS Integrated Sdn Bhd in 1993 and joined MTD Group as a Project Manager and worked his way up within the group and got promoted to the Chief Operating Officer (COO) of Alloy Group. During his tenure with MTD and Alloy Group, he oversaw multiple large scale construction projects. Among them are Middle Ring Road 2 (MMR2), Widening KL-Karak Highway, Phase 1 of East Coast Highway (from Karak to Kuantan) and Phase 2 of East Coast Highway (from Kuantan to Kuala Terengganu).
He was also in charge of operation and maintenance of tolled highway in Malaysia and Philippines. He left his position as the COO in 2011 and was redesignated as a Technical Advisor of Alloy and MTD Group and eventually retired from the group in 2016.
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