How should I continue my career in B.Sc., IT after having 4 years gap in between? Which course is best for me for my better career?

1) What are some entry level jobs in this field? What kind of job can I expect to obtain when I graduate with a degree in Mechanical Engineering?

2) What kind of reading is required in entry level jobs? Does this requirement change with higher level jobs in this field if so how?

3) What kind of writing is required for entry level jobs? And does this requirement change with...