Network Security & Infrastructure Engineer (72453) at Ntice Sourcing Solutions

Job Description

• 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!