A general senior engineer is equivalent to an associate professor in a university. Above the senior engineer, there is also a title of professor-level senior engineer. Some people call it "senior engineer".

1. Senior engineers are divided into two levels and three categories: senior engineers (sub-senior), researcher-level senior engineers (Gao Zheng) and professor-level senior engineers (Gao Zheng).

2. Professor-level senior engineers correspond to professors of education. Senior engineer is equivalent to associate professor level, and professor level senior engineer is equivalent to full professor level in university.