> Markdown version of [/jobs/ext/4517478-l2-network-data-engineer](https://www.wearedevelopers.com/jobs/ext/4517478-l2-network-data-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). --- # L2 Network Data Engineer - **Company:** THE PHOENIX - **Location:** Irving, TX, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** IEEE 802.1X, Border Gateway Protocol, Cloud Computing, Complex Networks, Data Centers, EtherChannel, Hot Standby Router Protocol, Python (Programming Language), Network Troubleshooting, Network Control, Network Monitoring, Cisco Nexus Switches, Open Shortest Path First (OSPF), Ansible, Terminal Access Controller Access-Control System (TACACS), Virtual Local Area Networks, Wide Area Networks, Wireless Access Point, Wireless Networks, Authentication Authorization Accounting (Server Program), Computer Networking Systems, Network Access Control, Firewalls (Computer Science), Data Center Networking, SolarWinds (Software), Routing & Switching, Open Network Automation Platform, Cisco Switches, Cisco, Servicenow - **Published:** November 1, 2026 - **Apply:** https://www.juju.com/job/16_c289ab24 ## About the Role We are looking for an experienced L3 Network Engineer to support and maintain our enterprise network infrastructure. The ideal candidate will have strong hands-on experience with Cisco networking technologies and be capable of troubleshooting complex network issues, leading infrastructure changes, and ensuring high network availability., * Strong experience with Cisco routing and switching (OSPF, BGP, VLANs, STP, HSRP, ACLs). * Hands-on experience with SD-WAN technologies. * Experience managing Cisco Client and Aruba wireless environments. * Excellent troubleshooting and problem-solving skills. * Strong communication and documentation skills. Good to Have * Experience with Palo Alto Firewalls. * Knowledge of SolarWinds for network monitoring and alerting. * Exposure to network automation (Python/Ansible) or cloud networking is a plus., * 8 years of enterprise networking experience. * CCNP Enterprise or equivalent experience preferred. * Experience in large enterprise or data center environments is highly desirable. Technical Skills * Cisco Catalyst Switches * Cisco Nexus Switches * SD-WAN * Aruba Access Points * Aruba Central * Routing & Switching * VLANs, STP, HSRP, EtherChannel * OSPF, BGP * Network Troubleshooting * Incident and Problem Management * ServiceNow ## Description * Manage and troubleshoot enterprise LAN/WAN and data center networks. * Configure and support Cisco routing and switching infrastructure. * Deploy and maintain SD-WAN solutions. * Administer Cisco Client for AAA, 802.1X, TACACS , RADIUS, and network access control. * Support Aruba wireless infrastructure, including AP deployment and Aruba Central. * Perform root cause analysis, incident resolution, and network performance optimization. * Plan and execute network upgrades, migrations, and maintenance activities. * Create and maintain network documentation, diagrams, and SOPs. * Work with cross-functional teams and vendors to resolve complex network issues.