Does huasan hardware engineer need level 4?

yes. As a hardware engineer in Huasan, you need to have a certain level of English, because you may need to read relevant English technical materials or communicate with foreign customers at work. The CET-4 score is a way to evaluate English proficiency, so for some demanding positions, candidates may be required to have CET-4 certificate or English proficiency equivalent to CET-4. However, this is not applicable in all cases, and the specific requirements may be different according to different enterprises and positions. If you want to know more about the recruitment requirements of H3C hardware engineers, you can get more accurate information by consulting the relevant recruitment websites or consulting the recruiters of H3C.