I have 5 years of engineering experience in petrochemical/energy industry international wise, due to the nature of my work, I see there is a huge potential in Asia with many opportunities. To take advantage on this, I plan to come back to Hong Kong and study a quantitative-based master degree in finance, afterward, hopefully, I can land myself a finance job in those big engineering firms. (Oil and gas companies perhaps I-bank or other financial institutions if possible) Below is my questions that I need advice.

What which schools and Programs I will be looking for in Hong Kong?
What kind of job I will be looking for after graduate?
Will I able to get a job?
It will pay back my Master?