> Markdown version of [/jobs/ext/2901968-l3-senior-lan-network-engineer-cisco-dnac-campus-infrastructure](https://www.wearedevelopers.com/jobs/ext/2901968-l3-senior-lan-network-engineer-cisco-dnac-campus-infrastructure). 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). --- # L3 senior lan network engineer - cisco dnac & campus infrastructure - **Company:** Hcltech - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Microsoft Access, Border Gateway Protocol, Enhanced Interior Gateway Routing Protocol, Image Management, Python (Programming Language), Local Area Networks, Routing, Network Segmentation, Cisco Nexus Switches, Open Shortest Path First (OSPF), Performance Tuning, Ansible, Software Engineering, Software Vulnerability Management, Identity Services Engine, Cisco Switches, Api Management, Cisco - **Published:** September 14, 2026 - **Apply:** https://www.recruit.net/job/l-lan-network-engineer-cisco-jobs/F8765074B8E5FF4A ## About the Role Experience handling major incidents. ## Description L3 Senior LAN Network Engineer, Cualquier información adicional que necesite para este trabajo se encuentra en el texto a continuación. Asegúrese de leerla detenidamente y luego envíe su solicitud. - Cisco DNAC & Campus Infrastructure Key Responsibilities Advanced LAN Support Act as L3 escalation point for critical LAN incidents. Perform advanced troubleshooting across campus networks. Support large-scale Cisco and Aruba switching environments. Troubleshoot complex routing and switching issues. LAN Technologies Cisco Catalyst 9 K Cisco Nexus Aruba CX HPE Comware SDA (Software Defined Access) Cisco Catalyst Center (DNAC) Device onboarding and provisioning Assurance Management Software Image Management (SWIM) Template deployment Compliance management SDA operational support Problem Management Lead Root Cause Analysis (RCA). Identify recurring infrastructure issues. Implement permanent corrective actions. Maintain technical knowledge articles. Upgrade & Lifecycle Management IOS-XE upgrades Switch refresh initiatives Software lifecycle planning Validation and rollback testing Capacity & Performance Management Capacity forecasting Utilization analysis Performance optimization Infrastructure modernization Security & Compliance Vulnerability remediation Security advisory reviews Configuration compliance audits Network segmentation support Automation Python scripting Ansible automation DNAC API integrations Section Title: Skill Requirements Skill Requirements Required Skills Cisco Catalyst Center (DNAC) Cisco Catalyst 9 K Cisco Nexus Aruba CX OSPF BGP EIGRP STP Qo S SDA Cisco ISE Experience 7-10 years of LAN Engineering experience. 3+ years supporting Cisco DNAC. ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch) - [Dev & Test in the Cloud? Deploy your cloud environments with Ansible & Terraform](https://www.wearedevelopers.com/videos/1607-dev-test-in-the-cloud-deploy-your-cloud-environments-with-ansible-terraform) - [Embracing the Hybrid Cloud: Unlocking Success with Ansible](https://www.wearedevelopers.com/videos/932-embracing-the-hybrid-cloud-unlocking-success-with-ansible) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) - [A Technical Introduction to Bitcoin's 2nd Layer- The Lightning Network](https://www.wearedevelopers.com/videos/15-a-technical-introduction-to-bitcoin-s-2nd-layer-the-lightning-network) ## Related Articles - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Dev Digest 188: CfP time, the risks of NPM and IKEA algorithms](https://www.wearedevelopers.com/magazine/635-dev-digest-188-cfp-time-the-risks-of-npm-and-ikea-algorithms) - [Best Coding Boot Camps in Germany](https://www.wearedevelopers.com/magazine/237-best-coding-boot-camps-in-germany) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)