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 accounts, group policies, and permissions. Network & Security • Troubleshoot hardware, software, and network issues. • Implement system security best practices and manage firewall rules. • Maintain data backup, disaster recovery procedures, and endpoint protection. Software & Application Management • Oversee Microsoft Software Centre deployments and application updates. • Integrate calling/VoIP software with business systems. • Manage internal API integrations and ERP systems (ZOHO, ODOO, Lantern, SAP B1). Website & Service Maintenance • Maintain corporate website and coordinate updates with developers. • Ensure optimal uptime and performance of hosted applications. Support & Documentation • Provide technical support and guidance to internal teams. • Maintain detailed documentation of system configurations, network diagrams, and procedures. • Train staff on new technologies, tools, and IT policies. Certifications • ITIL (Required) • CCNA (Required) • MCSA, RHCSA (Preferred) • AWS Solutions Architect (Preferred) Skills: • Strong knowledge of IT hardware, networking, and enterprise infrastructure • Excellent communication and client-facing skills • Strong leadership, organizational, and team management abilities • Problem-solving mindset with attention to detail • Ability to work under pressure and manage multiple priorities Educational Qualification • Bachelor’s degree in Information Technology, Engineering, or related field. Experience Experience • 8+ years of experience in System Administration with enterprise-level IT operations • Strong experience in enterprise-level IT infrastructure management • T icketing systems and remote support tools • Hands-on experience with VoIP systems, wireless technologies, and ERP integration tools • Familiarity with ITSM practices (Change Management, Incident Management) • Strong knowledge of network protocols, system security, and database management
