> Markdown version of [/jobs/ext/3800322-senior-network-engineer-l3-datacenter-job](https://www.wearedevelopers.com/jobs/ext/3800322-senior-network-engineer-l3-datacenter-job). 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). --- # SENIOR NETWORK ENGINEER - L3+ | DATACENTER job - **Company:** Delan Associates, Inc - **Location:** Los Lunas, NM, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Data Centers, Linux, EtherChannel, Trunking, IPv4, IPv6, Python (Programming Language), Network Security, Routing, Paessler Router Traffic Grapher, Ansible, TCP/IP, Virtual Local Area Networks, Zabbix, Computer Network Operations, Firewalls (Computer Science), Deployment Automation, Palo Alto Networks, Firewall Services Module, Terraform, Open Network Automation Platform, Cisco - **Published:** October 17, 2026 - **Apply:** https://jobs.diversity.com/career/2531127/senior-network-engineer-l3-datacenter-iowa-ia ## About the Role * Senior Network Engineering - L3+ * Datacenter Deployment & Operations * Cisco C9200 / C9300X | IOS-XE * Palo Alto PA5500 | Panorama | PAN-OS * Routing, Switching, TCP/IP, IPv4/IPv6 * STP / RSTP / MSTP * VLANs, Trunking, EtherChannel / LAG * StackWise / StackWise Virtual * Fiber Optics & Optical Network Troubleshooting * Python - MUST HAVE * Ansible | Terraform | Linux * Network Automation & API Integration * Firewall & Network Security * Zabbix / PRTG * RCA, Incident Management & Troubleshooting, CCNP-certified Senior Network Engineer with strong hands-on experience in datacenter deployment, L3 networking, Cisco, Palo Alto, Python automation and network operations. ## Description * Deploy and operate large-scale datacenter & POP networks * Perform L2/L3 troubleshooting and RCA * Support migrations, upgrades & new deployments * Maintain IP/VLAN plans, diagrams, port maps & documentation * Manage Palo Alto firewall policies & Panorama * Automate provisioning, configuration, monitoring & remediation * Coordinate with carriers, colocation providers & vendors * Support rack design, cabling, hardware installation & asset management * Execute phased datacenter migrations with minimal disruption * Manage RMA activities & vendor coordination