What are the most important courses that make the engineer qualified for jobs?

As an engineer, say a graduate engineer, the most important aptitude your technical training imparts is analytical thinking. The skill to ask the right questions and work out solutions from available data.

Further specializations to qualify for a job are typically industry specific. Once you are in an industry, your work experience will determine the skill sets and specializations you can build upon.

Just, enroll in a training course in nebosh get certificate, that's it. You earned riyal above and good company waiting for you, like shell, petronas, dolphine energy.

It depends on what kind of job you going to do.