Job Responsibilities: • Deploy, configure, monitor, tune, and troubleshoot Linux and Windows servers. • Manage daily operations and capacity planning for virtualization platforms (e.g., VMware, KVM) and cloud environments (e.g., AWS, Azure, Alibaba Cloud). • Develop and execute system backup and recovery strategies, regularly validating data recoverability. • Implement system hardening, vulnerability remediation, and compliance configurations. • Ensure the stability and reliability of middleware and runtime environments that support business applications. • Install, configure, and maintain web servers (Nginx, Apache) and application servers (Tomcat, WebLogic). • Collaborate with application teams on system deployments, version releases, and issue resolution. • Monitor system and application performance, identify bottlenecks, and recommend optimizations. • Improve operational efficiency and enhance automation in system management. • Develop scripts (Shell, Python, Ansible, etc.) to automate routine operational tasks. • Maintain and optimize monitoring and alerting systems (e.g., Zabbix, Prometheus) to ensure observability of key metrics. • Participate in the selection, deployment, and improvement of the operations toolchain. • Contribute to system architecture design and disaster recovery planning to ensure high availability. • Review new system architectures and provide operations-oriented recommendations. • Implement high-availability solutions (e.g., clustering, load balancing) and conduct disaster recovery drills. • Prepare operations technical documentation and emergency response plans. Job Requirements: • Minimum of 3 years of relevant experience; financial industry experience is a plus. • Familiarity with container technologies, architectures, and principles; experience with Kubernetes and Docker architectures is preferred. • Knowledge of mainstream data disaster recovery architectures and platforms; experience with “two locations, three centers” setups is a plus. • Expertise in maintaining, performance tuning, configuration management, and securing Windows and Linux operating systems. • Proficiency in scripting languages such as Shell and Python for daily system maintenance. • Familiarity with infrastructure platforms like VMware and automation tools such as Zabbix, Puppet, and Ansible. • Strong communication and coordination skills, quick learning ability, agile thinking, and resilience under pressure.