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Senior Network Engineer

Datacentrix

Johannesburg, Gauteng, South Africa Full-time June 06, 2026
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Opportunity Description

Responsibilities

:

Enterprise Network Engineering


  • Design, implement, and maintain enterprise LAN, WAN, WLAN, and datacentre network infrastructure.

  • Operate and support Extreme Networks switching environments, including:
  • Configuration and maintenance of Extreme switches

  • VLANs, trunking, STP, and redundancy

  • Troubleshooting performance and connectivity issues
  • Perform advanced routing and switching, including:
  • OSPF and BGP

  • High‑availability and failover designs
  • Act as Tier‑3 escalation for complex network incidents.
  • Firewall & Security 

    Strong FortiGate experience is mandatory. The successful candidate will have full operational ownership of the firewall estate:
  • Configuration, management, and ongoing maintenance of FortiGate firewalls.

  • Firewall policy and rule management, including:
  • Rule creation, optimisation...
  • Full-time Computer Occupations

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