CareerPlan

Senior IT Support Specialist - Network Infrastructure

South AfricaFull-time2026-10-18
Hybrid

Core

Maintain and improve company IT network infrastructure, ensuring seamless connectivity and operational efficiency.

Role type

Senior IT Support Specialist (Network Infrastructure)

Builds

Network infrastructure (routers, switches, firewalls, wireless access points)

Domain

IT Services / Network Engineering

Deliverable

infrastructure

Required skills

TCP/IP, DNS, DHCP, routing protocols (OSPF, BGP), network security, Cisco/Juniper/Fortinet hardware, firewall/VPN/wireless configuration, network monitoring (SolarWinds, PRTG)

Preferred skills

CCNA, CCNP, CompTIA Network+

Responsibilities

Diagnose and resolve complex network connectivity and performance issues; Install, configure, and maintain network hardware and software; Implement and manage network security measures; Monitor network performance and identify bottlenecks; Develop and maintain network documentation; Assist in network upgrades and migrations; Provide technical guidance to junior staff; Manage user accounts and permissions; Collaborate with vendors; Participate in on-call rotation.