• Install, configure, and maintain Windows/Linux servers, virtual machines, and system software.
• Manage Active Directory, user accounts, group policies, and access permissions.
• Monitor system performance, security logs, and network stability; perform proactive maintenance.
• Implement system updates, patches, and backups according to IT policies.
• Troubleshoot and resolve hardware, software, and network issues.
• Maintain documentation for infrastructure, configurations, and procedures.
• Support disaster recovery planning and participate in incident response activities.
• Collaborate with IT teams and vendors on system improvements and technical projects.