If by "job prospect" you mean the "oil and gas industry", then yes. Remember, like any other company they function on multiple levels: the operations level, the corporate level, the business level, etc. In a tiny oil and gas firm, it is possible that engineers make up the majority of the staff, but in a typical oil and gas MNC you will find a broad spectrum of workers e.g. accountants, financial analysts, technicians. Here, this job opening list for Baker Hughes, an oilfield service company, should give you a better idea of what I mean.

http://jobs.bakerhughes.com/my/malaysia-jobs

There's probably a lot of unfamiliar industry terms in use there, but if you click on each job link you'll be able to see the exact academic qualification needed e.g. Billing Analyst - Candidate must possess a Bachelor Degree in Accountancy/Finance or equivalent professional qualification (ACCA/CPA).