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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Engineer - **Company:** Barcelona Technical Center - **Location:** Zaragoza, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** Wireless LAN, Software System Penetration Testing, Border Gateway Protocol, VoIP, Data Centers, Enhanced Interior Gateway Routing Protocol, Networking Hardware, IP Addressing, Intrusion Detection Systems, Virtual Private Networks (VPN), Python (Programming Language), Network Security, Nagios, Network Architecture, Network Diagrams, Network Installation Services, Routing, Network Virtualization, Open Shortest Path First (OSPF), Paessler Router Traffic Grapher, Ansible, Zero Trust Network Access, Virtual Local Area Networks, Wide Area Networks, Wireless Access Point, Network Routers, Load Balancing, System Availability, ARUBA, Firewalls (Computer Science), Juniper, SolarWinds (Software), Performance Monitor, Fortinet, Firewall Services Module, Software Version Control, Cisco, Vulnerability Analysis - **Published:** August 26, 2026 - **Apply:** https://www.buscojobs.com.es/network-engineer-en-zaragoza-ID-368970034 ## About the Role Are you a seasoned network professional ready to lead infrastructure projects that make a real impact? We're looking for a Senior Network Engineer to join our team and take ownership of designing, managing, and evolving our network infrastructure across multiple sites. Obtenga más información sobre las tareas generales relacionadas con esta oportunidad a continuación, así como sobre las habilidades requeridas.What You'll Do Design & Architecture Design and optimize LAN, WAN, WLAN, VPN, and SD-WAN infrastructures Drive scalability, redundancy, and high availability across environments Evaluate and recommend cutting-edge technologies from Cisco, Juniper, Aruba, and Fortinet Administration & Monitoring Configure and manage routers, switches, firewalls, load balancers, and access points Monitor performance using tools like Nagios, PRTG, or SolarWinds Manage QoS policies, VLANs, IP addressing, and routing protocols (OSPF, BGP, EIGRP) Network Security Implement firewall policies, VPNs, and Zero Trust segmentation Conduct vulnerability assessments and contribute to penetration testing Keep security configurations aligned with current best practices (IDS/IPS, access control) Support & Troubleshooting Diagnose and resolve complex Level 2/3 network incidents Maintain thorough network diagrams, configurations, and documentation Automation & Optimization Automate repetitive tasks using Ansible, Python, or custom scripting Manage configuration backups and version control for network equipment Collaboration & Leadership Work cross-functionally with systems, cloud, and cybersecurity teams Lead network deployments, data center migrations, and branch rollouts Manage vendors and external service providers What We're Looking For 5-8 years of experience in network infrastructure, including multi-site or data center environments Hands-on experience with SD-WAN, VoIP, QoS, and network virtualization (VLAN, VXLAN) Proficiency with hardware from Cisco, Juniper, HP/Aruba, Fortinet, xsgfvud or Palo Alto Proven leadership in multidisciplinary technical teams under high-pressure conditions Strong vendor management and coordination skills Relevant certifications a plus: CCNP, CCIE, JNCIP, NSE, or equivalent English proficiency required (B2 minimum) - working language for technical documentation, international team communication, and vendor management Knowledge of additional languages (Spanish, German, or French) is a plus Why Join Us? ## Description Are you a seasoned network professional ready to lead infrastructure projects that make a real impact?We're looking for a Senior Network Engineer to join our team and take ownership of designing, managing, and evolving our network infrastructure across multiple sites.Obtenga más información sobre las tareas generales relacionadas con esta oportunidad a continuación, así como sobre las habilidades requeridas.What You'll Do Design & Architecture Design and optimize LAN, WAN, WLAN, VPN, and SD-WAN infrastructures Drive scalability, redundancy, and high availability across environments Evaluate and recommend cutting-edge technologies from Cisco, Juniper, Aruba, and Fortinet Administration & Monitoring Configure and manage routers, switches, firewalls, load balancers, and access points Monitor performance using tools like Nagios, PRTG, or SolarWinds Manage QoS policies, VLANs, IP addressing, and routing protocols (OSPF, BGP, EIGRP) Network Security Implement firewall policies, VPNs, and Zero Trust segmentation Conduct vulnerability assessments and contribute to penetration testing Keep security configurations aligned with current best practices (IDS/IPS, access control) Support & Troubleshooting Diagnose and resolve complex Level 2/3 network incidents Maintain thorough network diagrams, configurations, and documentation Automation & Optimization Automate repetitive tasks using Ansible, Python, or custom scripting Manage configuration backups and version control for network equipment Collaboration & Leadership Work cross-functionally with systems, cloud, and cybersecurity teams Lead network deployments, data center migrations, and branch rollouts Manage vendors and external service providers What We're Looking For 5-8 years of experience in network infrastructure, including multi-site or data center environments Hands-on experience with SD-WAN, VoIP, QoS, and network virtualization (VLAN, VXLAN) Proficiency with hardware from Cisco, Juniper, HP/Aruba, Fortinet, xsgfvud or Palo Alto Proven leadership in multidisciplinary technical teams under high-pressure conditions Strong vendor management and coordination skills Relevant certifications a plus: CCNP, CCIE, JNCIP, NSE, or equivalent English proficiency required (B2 minimum) - working language for technical documentation, international team communication, and vendor management Knowledge of additional languages (Spanish, German, or French) is a plus Why Join Us?Work on complex, high-impact infrastructure projects Collaborate with international, cross-functional teams Real ownership and visibility in your role Competitive salary + benefits package ## 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) - [Getting under the skin: The Social Engineering techniques](https://www.wearedevelopers.com/videos/38-getting-under-the-skin-the-social-engineering-techniques) - [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) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) - [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone) - [Small, Secure, Interconnected: The next Internet Protocol](https://www.wearedevelopers.com/videos/100062-small-secure-interconnected-the-next-internet-protocol) ## Related Articles - [Spanish Business Culture and Etiquette](https://www.wearedevelopers.com/magazine/353-spanish-business-culture-and-etiquette) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)