Is it feasible to work as an R&D engineer in a domestic automobile main engine factory and take skilled migration? Is there an automobile main engine factory in Australia?

Engineer skilled migration depends on whether your bachelor's degree is at least 4 years' engineering degree, which determines what your immigration nomination occupation is, and has little to do with your current job. On the basis just now, if your work is closely related to the nominated occupation, you will have extra work experience points.