First of all, the Ministry of Science and Technology is a backstage department of the banking system. Its main job is to ensure the stable operation of the banking system. The specific work includes system maintenance, counter business system development, network maintenance, counter business system support, security and so on.
Secondly, to be honest, there is still a big gap between what you learn at work and what you learn at school. Generally, there will be systematic training after entering the bank. There are predecessors.
In the final treatment, it is the same as other business departments of this institution.