1. Basic Resource Operation & Maintenance Monitor status, manage startup/shutdown of virtual/physical machines Maintain local networks (VPN/Firewall/DNS/WiFi) Daily operations: Service start/stop/restart (standard operations) 2. System & Middleware Management Monitor status of databases and middleware Clean up disk space (logs, temporary files) Monitor application services and handle alarms 3. Log & Change Management Collect and analyze logs Deploy application versions and perform rollbacks Manage changes and coordinate releases 4. User & Business Support Handle user consultations and function feedback Manage accounts and allocate permissions Collect business requirements and function improvement suggestions 5. Fault & Emergency Response Initial fault response and information collection (fill in report templates) Execute known emergency plans (e.g., restart, switchover) Analyze and locate complex faults 6. Documentation & Architecture Maintenance Maintain and update standard operating procedures (SOPs) Maintain system architecture diagrams and network topology diagrams