> Markdown version of [/jobs/ext/3895407-sr-network-engineer](https://www.wearedevelopers.com/jobs/ext/3895407-sr-network-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). --- # Sr. Network Engineer - **Company:** Insight Global - **Location:** Fort Worth, TX, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Cisco Routers, Complex Networks, Computer Networks, System Configuration, Firmware, Networking Hardware, Network Architecture, Routing, Cisco Nexus Switches, TCP/IP, Virtual Local Area Networks, Wide Area Networks, Connectivity Problems, System Availability, Firewalls (Computer Science), Data Center Networking, Firewall Services Module, Cisco - **Published:** October 23, 2026 - **Apply:** https://dejobs.org/x/x/4148237A6A4A48829AF6B0E8A428B316/job/ ## About the Role 10+ years of hands-on network engineering experience in large enterprise environments. Strong Cisco routing and switching experience, including Cisco Nexus 9000 switches. Hands-on experience configuring, administering, and troubleshooting Palo Alto firewalls. Strong understanding of LAN/WAN, VLANs, TCP/IP, and enterprise routing protocols. Experience performing network hardware upgrades, replacements, and migrations. Ability to independently diagnose and resolve complex network connectivity and performance issues. Experience supporting critical network infrastructure with high availability requirements. Strong technical troubleshooting and communication skills. CCIE at Minimum Experience with Cisco Smart Licensing. Experience supporting large municipal or government networks. Experience with data center network infrastructure. Experience with fiber network deployments, migrations, or separation projects. Experience leading technical execution of network refresh initiatives. ## Description Perform hands-on configuration, troubleshooting, maintenance, and optimization of enterprise network infrastructure. Configure and support Cisco routers, switches, and Nexus 9000 equipment. Administer Palo Alto firewalls, including firewall rules, policies, and connectivity troubleshooting. Diagnose and resolve network outages, performance issues, and connectivity problems. Execute network hardware refreshes, upgrades, and equipment replacements. Support Cisco Smart Licensing and associated network infrastructure. Assist with data center networking projects and infrastructure improvements. Participate in fiber separation and network modernization projects. Perform network changes, firmware upgrades, and configuration updates. Work directly with infrastructure teams to maintain a stable, secure, and reliable municipal network. Document network configurations, troubleshooting procedures, and infrastructure changes. Ideal Candidate: A seasoned, hands-on network engineer who is comfortable working directly in the equipment and CLI, troubleshooting complex issues, and executing technical projects. This is not a primarily managerial or architecture-focused position. This will be onsite Monday-Friday normal business hours.