Work pressure is very high in site or construction work. I think design field is better than site work if you wants to work peacefully. As you said that you learn software of design and analysis then its good to enhance knowledge about those designing tools and formulas. Softwares which is used for designing and analysis purpose are Staad Pro, Strud, SAP, XSteel, Ansys,, etc. There are lots of jobs in design and construction. In Design, you can work as a Revit Architecture, CAD. CAD tools and formula help in making drawings and layout for example : AutoCad which is widely used in industries. You can learn courses including software tools online through coursera, lynda and edx. Later on, you can apply on Maharatna companies for design and site work whatever job you wants to do because there are many advantages employee get such as allowances, slightly higher salary compared to other companies and health facilities are also very good. So Supose your parents require money for treatment then it will be provide by the corporation definitely. So get practial knowledge about software tools and formulas through lynda and coursera for analyzing and designing so you can get job with high salary and allowances.