Network Administrator

Data Centrix; Johannesburg; On-site; ZAR 200 000 - 300 000; Full time

Job summary

A leading technology solutions provider in Johannesburg is looking for a Network Security Specialist to manage firewalls, implement security projects, and provide technical support across a diverse technology stack. Ideal candidates should hold CCNA certification and have extensive experience in network management within a multi-vendor environment.

Responsibilities

• Implement security projects.
• Coordinate with vendors.
• Provide technical support across enterprise technology stack.
• Respond to security incidents.

Skills

Network automation and scripting (Python, PowerShell)

CCNA certification

Multi-vendor environment management

PaloAlto qualification

Incident response

Security incident response and forensics

Enterprise network design and implementation

VeloCloud SD-WAN management

Cisco certification

Tools

SIEM and security monitoring tools

Network monitoring tools

Job description

Requirements

• CCNA certification, entry-level PaloAlto qualification
• 4+ years of network and firewall management
• Enterprise network design and implementation
• Multi-vendor environment management
• Security incident response and forensics
• Network automation and scripting (Python, PowerShell)
• SIEM and security monitoring tools
• LAN understanding, WiFi and switching management, PaloAlto firewall configuration, multi-vendor network troubleshooting, and core networking protocols
• VeloCloud SD-WAN management, Cisco certification, server technology expertise, cloud platforms knowledge, and network monitoring tools

Overall Responsibilities

• Will be involved in Security project implementation
• Incident response
• vendor coordination
• Technical support activities across enterprise technology stack including PaloAlto firewalls, Mellanox core switches, Arista routers, Saisei internet shaping, Cisco Meraki switching and WiFi infrastructure, and VeloCloud SD-WAN solutions