Senior Network & Systems Administrator

MID616

Location: Johannesburg South
Employment Type: Permanent

A large multi-site group is seeking an experienced Senior Network & Systems Administrator to manage, secure and optimise enterprise network and server environments.

Key Responsibilities

• Manage LAN, WAN, VPN, VLAN, Wi-Fi and Internet connectivity across multiple sites


• Configure and maintain routers, switches, firewalls, wireless infrastructure


• Server administration: Windows Server 2019/2022, Active Directory, file/share permissions


• Microsoft 365 & Azure AD (Exchange, Teams, SharePoint, OneDrive)


• Network security, backups, disaster recovery & business continuity


• Monitor performance, troubleshoot escalated issues, manage emergencies


• Sup...