Network Security & Infrastructure Engineer (72453)
Ntice Sourcing Solutions · KwaZulu-Natal
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- We're seeking an experienced Network Security & Infrastructure Engineerto maintain the reliability and security of our global IT infrastructure - spanning voice, network, security, and hosting - while providing technical design and escalation support for customer projects
Responsibilities
- Troubleshoot and resolve network and infrastructure issues, engaging vendors and customers as needed
- Manage and optimise firewall security FortiGate, including policies, NAT, VPNs, HA/failover, and security services IPS/IDS, web filtering, SSL inspection
- Configure and troubleshoot site-to-site and remote-access VPNs IPsec/SSL
- Support customer engagements - building proposals, technical documentation, and infrastructure designs
- Proactively identify vulnerabilities and recommend mitigation strategies
- Monitor performance, capacity, and security events across the infrastructure; assist with reporting and documentation
- Share knowledge through training and documentation for support/engineering teams
Education/ Experience
- 4+ years' enterprise firewall and network security experience FortiGate/FortiOS essential; Palo Alto or Cisco Meraki advantageous
- Strong understanding of TCP/IP, DNS, DHCP, NAT, VLANs, subnetting, and Layer 2/3 networking
- Hands-on experience with BGP, OSPF, static routing, and WAN/LAN/cloud connectivity
- Skilled in firewall logging, SIEM platforms, and security-event investigation
- Proficient with Wireshark, tcpdump, and CLI diagnostic tools
- Relevant network/security certifications e.g. NSE 5/6 advantageous; ISO 27001/PCI exposure a plus
- Linux/Unix experience a plus
If you are a highly technical, analytical problem-solver who communicates complex network concepts clearly, thrives in a fast-paced global environment, and takes a thorough, self-driven approach to your work - we would like to hear from you!