Job Descriptions: 1. Responsible for the evaluation of network security products, including reviewing the product's security requirements specifications, security architecture design, and detailed design technical documents, as well as testing and verifying the documentation. 负责网络安全产品的评估，包括：审核产品的安全需求规格、安全架构设计和详细设计技术文档、测试验证文档等 2. Provide technical support to clients on all aspects of network security. 为客户提供网络安全方面的相关技术支持工作 3. Provide training to clients on relevant standards such as ISO/IEC 62443. 为客户提供62443等相关标准的培训 Job Requirements: 1. Bachelor's degree or above in Computer Science, Communications, Automation, Measurement and Control Technology and Instruments, Control Theory and Control Engineering, Network Engineering, or a related field. 全日制本科或以上学历，计算机，通讯，自动化，测控技术与仪器，控制理论和控制工程，网络工程等相关专业背景 2. More than 3 years of development experience in industrial control systems, rail transit, automotive network development, and other equivalent fields; familiarity with ISA/IEC 62443, NIST SP 80...