Summary: The System Administrator will oversee and manage the maintenance, configuration, and operations of IT infrastructure including on-premise and cloud-based systems. The ideal candidate will have expertise in O365 administration, AWS Cloud Server Management, Active Directory, Proxmox, VMware/Hyper-V, VoIP systems, and enterprise-level IT operations. This role also involves website maintenance, API integrations, software deployment, and IT security management while ensuring seamless technical support for internal teams. Roles & Responsibilities: Server & Workstation Management • Install, configure, and maintain Windows/Linux servers, laptops, and workstations. • Manage AWS cloud servers, Proxmox virtualization, and on-premise environments (VMware, Hyper-V). • Perform system upgrades, patch management, and monitor system health. User Support & Access Management • Administer Office 365, Active Directory, SSO (Single Sign-On), and Access Work or School accounts. • Manage user account...