Senior network administrator

Our client, a well-established group operating across multiple industries, is seeking to appoint an experienced Senior Network Administrator to join their team based in City Deep, Johannesburg.
The Senior Network Administrator is responsible for the configuration, maintenance, security, and performance of the organisation’s network infrastructure. The role ensures stable connectivity, optimal system performance, and provides expert‑level support for complex technical issues.
Requirements
Matric
A+ and N+ Certification
Microsoft Certification / Engineer
MCITP
Network Security+
Diploma in IT Systems Administration (NQF Level 4/5 advantageous)
Minimum 5+ years’ experience in IT administration and networking
Hands‑on experience in enterprise network environments
TCP/IP, DNS, DHCP, VLANs, routing protocols
Firewalls, switches, wireless infrastructure
Microsoft Active Directory and Microsoft 365 environments
Windows Server (2019/2022) and Windows 10/...