Network and Security Engineer (Intermediate)

Network and Security Engineer (Intermediate)

Recruiter

Nambiti Technologies

Job Ref

JHB002995/TR

Date posted

Monday, July 20, 2026

Location

Johannesburg, South Africa

SUMMARY

We are sourcing for a Network and Security Engineer (Intermediate) role.

POSITION INFO

Key Responsibilities: Install, configure, and maintain LAN, WAN, WLAN, VPN, and Internet connectivity solutions. Administer and support network devices, including routers, switches, wireless controllers, and firewalls. Monitor network performance, availability, and security, proactively identifying and resolving issues. Configure and maintain firewalls, VPNs, intrusion detection/prevention systems (IDS/IPS), and network security policies. Support Identity and Access Management (IAM), network access control (NAC), and secure authentication solutions. Perform network troubleshooting, root cause analysis, and incident resolution for connectivity and security issues. Conduct routine vulnerability assessments and implement security patches and configuration hardening. Assist with the implementation of network upgrades, migrations, and infrastructure improvement projects. Maintain network monitoring, logging, and reporting solutions. Develop and maintain network diagrams, technical documentation, and operational procedures. Collaborate with cloud, infrastructure, and security teams to implement secure networking solutions. Ensure compliance with organizational security policies, standards, and regulatory requirements. Participate in disaster recovery testing and business continuity planning. Requirements National Diploma in IT or Certificate (NQF 6) or equivalent IT Networks certification (Cisco: CCNA or equivalent) Microsoft Azure Network Engineer Associate FortiGate Network Security Expert (advantageous). HPE Aruba Networking certification (advantageous). ITIL foundation certification (advantageous). 3-5 years of experience in network administration, network engineering, or network security. Hands-on experience with enterprise networking technologies and security solutions. Experience administering Cisco, Fortinet, Palo Alto, Juniper, or equivalent networking platforms. Knowledge of enterprise networking concepts, routing, switching, VPNs, wireless networking, and firewalls. Basic understanding of cloud networking within AWS, Microsoft Azure, or Google Cloud Platform environments.