Network and Security Engineer

Network IT · Johannesburg East, Gauteng

Posted 18 September 2026

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Reference: ITA006314-Raees-1

A growing technology environment is looking for a hands-on Network & Security Engineer to take ownership of network infrastructure, security controls and cybersecurity improvements across the environment. Duties & Responsibilities

This is a technical role suited to someone who enjoys working across networking, firewalls, infrastructure security and modern security technologies , while also being comfortable troubleshooting issues, investigating risks and implementing practical solutions.

Key Responsibilities

  • Manage and troubleshoot FortiGate/FortiOS firewalls , including policies, NAT, VPNs, routing and segmentation.
  • Manage HP and Sophos switching environments , including VLANs, trunks, routing and network troubleshooting.
  • Implement and maintain network segmentation and security controls .
  • Support and improve Privileged Access Management (PAM) and administrative access controls.
  • Manage and enhance EDR/XDR capabilities, including threat detection, investigation and response.
  • Own or support Vulnerability Management , including scanning, assessment, prioritisation and remediation tracking.
  • Manage secrets and certificate management , including service accounts, API keys, credentials and certificates.
  • Support container and Kubernetes security , including image vulnerabilities, secrets, RBAC, service accounts and runtime security principles.
  • Review firewall rules, privileged access and infrastructure configurations to identify security risks.
  • Assist with security incidents, technical investigations and remediation .
  • Support disaster recovery, backup and infrastructure resilience testing from a network and security perspective.
  • Implement and support Zero Trust Network Access (ZTNA) and identity- and device-based access controls.
  • Maintain accurate network diagrams, IP/VLAN information, firewall documentation and security procedures.
  • Collaborate with infrastructure, application and development teams to ensure security is incorporated into new deployments.

Technical Requirements

Strong practical experience with: Networking: TCP/IP, VLANs, Routing, Switching, VPNs, NAT, DNS, DHCP Firewalls: FortiGate, FortiOS Switching: HP, Sophos Security: PAM, EDR/XDR, Vulnerability Management, Secrets Management, Certificate Management, Network Segmentation, Security Hardening, Zero Trust Modern Infrastructure: Container Security, Kubernetes Security Principles

Advantageous

  • Nutanix AHV
  • Prism Central
  • Nutanix Flow
  • Hyper-V
  • Nutanix Move
  • Hyper-V to Nutanix migrations
  • Disaster Recovery environments

Apply now!

For more exciting IT vacancies, please visit:  www.networkrecruitmentinternational.com

If you have not had any response in two weeks, please consider the vacancy application unsuccessful.

For more information contact: Raees Sadek IT Recruitment Researcher 011 622 9526 Package & Remuneration

Monthly

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Network and Security Engineer at Network IT — Johannesburg East, Gauteng · JobAlertsZA