> Markdown version of [/jobs/ext/3761900-network-security-engineer](https://www.wearedevelopers.com/jobs/ext/3761900-network-security-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Security Engineer - **Company:** Insight Global - **Location:** Chicago, IL, United States - **Experience:** Experienced - **Salary:** $93,600.0 - $110,240.0 - **Contract:** Permanent contract - **Skills:** Microsoft Azure, Catalyst (Software), Firmware, IP Addressing, Subnetting, Virtual Private Networks (VPN), Network Security, Network Layer, Network Diagrams, Network Monitoring, Routing, Cisco Nexus Switches, SAP Sales and Distribution, TCP/IP, Virtual Local Area Networks, Wide Area Networks, Wireless Access Point, Computer Network Operations, Network Support, Cisco - **Published:** October 15, 2026 - **Apply:** https://www.chicagocareersite.com/job.asp?id=3448909581&tx=FP5148FFL&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * 3+ years of hands-on network support/engineering experience. * Solid Cisco switching, TCP/IP, subnetting, VLAN, and routing fundamentals. * Experience with several of the following preferred: Cisco Nexus/Catalyst, Meraki, Palo Alto, Panorama, Prisma/GlobalProtect, Silver Peak/EdgeConnect, Azure networking, or NetBox. * firewall experience (Palo Alto prefferred) * Experience with network monitoring, troubleshooting, upgrades, and carrier support. * CCNA-level knowledge preferred; certification is not required. * Aruba SDWan * ability to work after hours (once converted fulltime) ## Description We are seeking a mid-level Network Engineer to assist our Infrastructure team with day-to-day network operations, maintenance, troubleshooting, upgrades, and documentation. The ideal candidate is a hands-on mid-level engineer who can take ownership of routine network operational work without requiring expert-level knowledge of every technology in the environment. This role can sit remotely near an office location: Charlotte NC, Chicago IL, Dallas TX, Houston TX, Los Angeles CA, Miami FL, New York NY, San Francisco CA, Silicon Valley CA, Washington DC; as they ideally come in 2-3 days a week as needed. Ideally PST hours 8-5PM PST. Key Tasks * Monitor network infrastructure and respond to alerts and outages. * Troubleshoot Layer 2/Layer 3 connectivity, VLAN, routing, WAN, and performance issues. * Support Cisco Nexus and Catalyst switches. * Assist with switch code/firmware upgrades and maintenance. * Support Cisco Meraki switches and wireless access points. * Monitor and troubleshoot Silver Peak / Aruba EdgeConnect SD-WAN. * Provide operational support for Palo Alto firewalls and Panorama. * Troubleshoot Prisma Access / GlobalProtect VPN connectivity. * Monitor and troubleshoot Internet and WAN carrier circuits. * Open and manage carrier/vendor support tickets through resolution. * Assist with connectivity troubleshooting between local sites and Azure environments. * Perform routine network changes using established change-control processes. * Maintain and complete NetBox documentation, including devices, interfaces, IP addresses, VLANs, circuits, and sites. * Maintain network diagrams, inventories, and operational documentation. Work independently on routine issues and escalate complex problems to senior staff or vendors.