Junior Network Security Technician

ARCS; Pretoria; On-site; ZAR 200 000 - 300 000; Full time

Job summary

A technology service provider seeks a Junior Network Security Technician to monitor and secure IT infrastructure. Responsibilities include monitoring alerts, managing firewalls and VPNs, and supporting incident response. Candidates should have 2+ years in network security and relevant certifications. Located in Roodeplaat, Pretoria, this full-time role emphasizes collaboration across teams and problem-solving skills.

Qualifications

• 2+ years’ experience in network security.
• Strong understanding of network protocols (TCP/IP, DNS, HTTP/S, etc.).
• Valid driver’s license & own vehicle.

Responsibilities

• Assist in monitoring alerts and detecting threats.
• Support with configuration and management of firewalls and VPNs.
• Participate in audits and risk assessments.

Skills

Network security

Problem-solving

Customer service

Education

Relevant certifications (CompTIA Security+, Network+, Fortinet NSE4)

Tools

Linux

Windows

Firewalls

VPNs

Job description

Junior Network Security Technician

Location: Roodeplaat, Pretoria

Salary: R10 000 – R35 000 CTC per month

Type: On-site

Main Purpose

We are seeking a Junior Network Security Technician to support and secure IT infrastructure. The role involves monitoring, identifying vulnerabilities, assisting with incident response, and ensuring compliance with security policies under the guidance of the Network Security Team Lead.

Key Duties & Responsibilities

• Network Security Monitoring: Assist in monitoring alerts, detecting threats, escalating incidents, and documenting security events.
• Firewall & VPN Management: Assist with configuration, daily management, and monitoring of firewalls, VPNs, and related devices.
• Vulnerability Management: Run scans, support remediation, and assist with patching security issues.
• Policies & Documentation: Help maintain policies, document configurations/incidents, and prepare reports.
• Security Audits: Participate in audits, risk assessments, and enforcement of security policies.
• Incident Response: Provide first‑line support during incidents, assist with investigations and containment.
• Collaboration: Work with IT, networking, and development teams to improve security practices.
• Other reasonable duties as required.

Requirements

• 2+ years’ experience in network security.
• Relevant certifications (CompTIA Security+, Network+, Fortinet NSE4 beneficial).
• Understanding of network protocols (TCP/IP, DNS, HTTP/S, SSH, SNMP, TELNET, LDAP).
• Familiarity with firewalls, VPNs, SIEM systems, Linux & Windows.
• Strong problem‑solving, hardware troubleshooting, and customer service skills.
• Valid driver’s license & own vehicle.