Network and Security Engineer
Network IT · Johannesburg East, Gauteng
Posted 18 September 2026
Stop applying one at a time.
JobAlertsZA auto-applies to South African jobs like this one for you, overnight. Upload your CV once — we do the applying.
Start free — we apply for you →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