What company are you from? Here is a question, that is, are you going to take over the whole electrical project, or just do software? Take SCADA system as an example. If you are the whole project, including the field instrument, the middle data control cabinet and the configuration software of the upper computer. This set is SCADA system. It will be much easier if you only do configuration software.
I know that there is a qualification certificate for computer information system integration enterprises. Leave me a contact information, and I can send you one. If you want the whole project, you may need something else.