Network Administrator

About This Role

This Network Administrator role involves overseeing the administration, monitoring, troubleshooting, and maintenance of network infrastructure. The position ensures secure and reliable connectivity and services, with opportunities for further development in network and infrastructure engineering.

Responsibilities

• Administer and maintain LAN, WAN, and wireless network infrastructure
• Configure and troubleshoot switches, routers, firewalls, wireless access points, and VPNs
• Manage VLANs, IP addressing, DHCP, DNS, routing, and network segmentation
• Monitor network performance, availability, and capacity
• Diagnose and resolve network connectivity and performance issues
• Assist with network security, firewall administration, and access controls
• Maintain network diagrams, IP addressing records, configurations, and infrastructure documentation
• Participate in network upgrades, infrastructure projects, and new site deployments
• Provide technical support and escalation assistance to the IT User Support and IT Operations teams
• Assist with Windows/Linux server administration, virtualisation, backups, and other systems administration tasks
• Work with external service providers and technology vendors when required

Requirements

• Relevant IT qualification or equivalent practical experience
• Strong understanding of TCP/IP, VLANs, subnetting, routing, DHCP, and DNS
• Strong troubleshooting and analytical skills
• Working knowledge of Microsoft Windows
• Good documentation and communication skills
• A proactive approach to identifying and resolving infrastructure problems
• 2-4 years' experience in network administration or a similar infrastructure role
• Practical experience with switches, firewalls, wireless networks, and VPNs
• Some practical experience with server or systems administration

Nice to have:

• MikroTik, Network+, Microsoft, or equivalent certifications
• Experience with MikroTik, UniFi, OPNsense/pfSense, or similar platforms
• Experience with network monitoring and IPAM systems
• Linux administration
• VMware, Hyper-V, or Proxmox
• RADIUS, 802.1X, or network access control
• Scripting or network automation
• Network security experience

About the Company

Stefanutti Stocks Inland is seeking a Network Administrator to join its Infrastructure team. The company is committed to Employment Equity and promotes from within wherever possible, considering internal candidates first.