> Markdown version of [/jobs/ext/3804597-firewall-it-network-engineer](https://www.wearedevelopers.com/jobs/ext/3804597-firewall-it-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). --- # Firewall / IT Network Engineer - **Company:** Five Rivers IT, Inc. - **Location:** Plantation, FL, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Apple IOS, Data Centers, Network Architecture, Network Segmentation, Cisco Nexus Switches, Diagnostic Tools, Computer Network Operations, Nx-os, Firewalls (Computer Science), Information Technology, Firewall Services Module, Cisco Switches - **Published:** October 17, 2026 - **Apply:** https://www.thejobnetwork.com/job/9974d0c0-2cb6-4e41-aef8-650ef5c785a8/firewall-it-network-engineer ## About the Role * Palo Alto firewalls * Cisco Nexus (NX-OS), Cisco Catalyst, and IOS * Ability to multi-task projects, with strong interpersonal and analytical skills Strong preferences * NERC CIP experience, especially CIP-005 / Electronic Security Perimeter * Experience with IT-OT segmentation * Utility, energy, or other regulated critical-infrastructure background * Firewall automation experience * Arista switches (plus) * Prior mentoring or lead experience ## Description The team supports critical infrastructure for the largest clean energy provider in North America. The role combines deep technical skill, technical leadership, and a understanding of regulatory knowledge (NERC CIP is what they will have to learn). Responsibilities * Manage enterprise firewall infrastructure, processing 450+ change requests a year with zero network impact * Oversee implementation and maintenance of 20,000+ firewall rules supporting NextEra Energy and FPL business operations * Provide technical leadership across multiple data centers and drive continuous improvement * Mentor and develop team members * Design, plan, and deploy network infrastructure, and find and fix potential issues before they affect operations * Perform complex troubleshooting and root cause analysis with advanced diagnostic tools * Ensure network operations comply with NERC CIP and other regulatory requirements * Serve as Lead Firewall Engineer on critical IT-OT network segmentation projects * Perform quarterly Electronic Security Perimeter (CIP-005) compliance assessments across 120+ network segments and stay audit-ready * Drive automation of firewall rule management, with zero security violations and zero customer impact * Handle other job-related duties as assigned