> Markdown version of [/jobs/ext/3877062-principal-network-engineer-data-center-firewall](https://www.wearedevelopers.com/jobs/ext/3877062-principal-network-engineer-data-center-firewall). 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). --- # Principal Network Engineer - Data Center & Firewall - **Company:** PRIMUS Global Services, Inc - **Location:** Oklahoma City, OK, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Application Firewall, Border Gateway Protocol, Data Centers, Enhanced Interior Gateway Routing Protocol, Supervisory Control and Data Acquisition (SCADA), Network Security, Network Architecture, Routing, Cisco Nexus Switches, Citrix Systems, Open Shortest Path First (OSPF), Virtual Local Area Networks, Load Balancing, System Availability, Firewalls (Computer Science), Data Center Networking - **Published:** October 22, 2026 - **Apply:** https://www.careerjet.com/jobad/usf20f0d433e728758522d51a95c3b02b3 ## About the Role 10+ years of enterprise network engineering experience with CCNP-level routing and switching expertise, including BGP, OSPF, EIGRP, VRFs, VLANs, and high availability. Strong data center networking experience with Cisco Nexus and Cisco ACI Fabric (required), plus advanced firewall administration, preferably Palo Alto, including firewall routing, policy management, and network security architecture. Proven principal-level technical leadership in network architecture, data center migrations, and infrastructure modernization; VXLAN, F5/Citrix load balancing, AWS networking, and OT/SCADA experience are preferred.