IT Administrator

GMI Advisory

Full-time Other-General
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Location
johannesburg, gauteng, South-Africa
Posted
July 26, 2026

Job Description

Position Overview:



The IT Administrator will oversee the installation, configuration, maintenance, and reliable operation of computer systems, servers, and network infrastructure. This role is responsible for managing both on-premises and cloud-based systems while ensuring high availability and security of business applications. The Senior System Administrator will also collaborate with cross-functional teams, mentor junior administrators, and lead infrastructure improvement projects. The Sys Admin will work with service providers in resolving calls within the required timeframe.



Key Responsibilities:



• System Administration: Manage and maintain Windows, Active Directory, Linux, and virtual servers (Hyper-V), ensuring systems run smoothly with optimal performance.



• Network Management: Configure and monitor firewalls, VPNs, and network infrastructure to ensure secure and efficient data communication.



• Cloud In...