Job responsibilities: 1 Responsible for the design and development of the operation and maintenance platform, and participate in the construction of the security/ICD/monitoring/alarm operation and maintenance system; 2. Design and build a secure AWS based testing and production environment, establish an HSM/KMS system, and be able to detect potential risks; 3. Multi system interactive network security risk assessment; 4. Participate in the daily management and operation of relevant platform systems, and participate in system related operations and maintenance; 5. Research service architecture, identify potential issues, develop system adjustment and optimization plans, and improve system robustness and efficiency;