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Network Security Engineer

Job in Cape Town, 7561, South Africa
Listing for: Humankind Group
Full Time position Listed on 2026-11-08
Job specializations:
  • IT/Tech
    Cybersecurity, Network Security, Network Engineer

Job Description & How to Apply Below

We're Hiring | Mid-Level Network & Security Engineer

Industry: Information Technology | Networking & Cybersecurity

Are you a technically driven Network & Security Engineer with hands-on Fortinet experience and a passion for delivering secure, reliable network solutions?

We are looking for a Mid-Level Network & Security Engineer to join a dynamic technology environment, providing network and cybersecurity support to a diverse customer base. This role is ideal for an experienced engineer who enjoys troubleshooting complex technical challenges, managing security infrastructure and building strong customer relationships.

Key Responsibilities
  • Provide remote and onsite technical support within Managed Services (MSA/SLA) environments.
  • Administer, configure and maintain Forti Gate firewalls, including firewall policies, NAT, VPNs and security profiles.
  • Troubleshoot LAN, WAN, wireless, SD-WAN, routing and switching environments.
  • Investigate security alerts, vulnerabilities and suspicious network activity.
  • Perform firewall upgrades, configuration reviews, network health checks and security hardening.
  • Conduct root cause analysis and ensure incidents are resolved within agreed SLA targets.
  • Monitor network performance and identify opportunities for optimisation.
  • Maintain technical documentation, network diagrams and customer service reports.
  • Build strong customer relationships through professional technical guidance and support.
Minimum Requirements
  • Mandatory:
    Fortinet NSE4 certification or current Fortinet Certified Professional equivalent.
  • Minimum 3 years' hands-on experience in network and security support.
  • Proven experience administering Forti Gate firewalls.
  • Practical experience with IPsec VPN technologies, routing, switching and firewall policy management.
  • Strong understanding of TCP/IP, VLANs, NAT, DNS, DHCP, routing protocols and wireless networking.
  • Demonstrated network security troubleshooting and customer support experience.
  • Strong understanding of cybersecurity principles and best practices.
Advantageous Experience
  • CCNA, CompTIA Network+ or equivalent networking certification.
  • Exposure to Forti Analyzer, Forti Manager, Forti Switch, FortiAP and Forti Client EMS.
  • Knowledge of Microsoft 365 and Azure networking fundamentals.
  • Exposure to ZTNA, SD-WAN and managed services environments.
The Ideal Candidate

Proactive problem-solver with strong analytical and troubleshooting abilities. You thrive in a customer-facing technical environment, work independently and take ownership of technical challenges while maintaining high service delivery standards.

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