> Markdown version of [/jobs/ext/1689115-network-security-engineer-sdn-firewalls](https://www.wearedevelopers.com/jobs/ext/1689115-network-security-engineer-sdn-firewalls). 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). --- # Network & Security Engineer (Sdn/Firewalls) - **Company:** 3530 Kyndryl España, S.A.U. - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Computer Networks, Domain Name System (DNS), Virtual Private Networks (VPN), Network Security, Dynamic Routing, Load Balancing, Firewalls (Computer Science), Fortinet, Cisco - **Published:** July 31, 2026 - **Apply:** https://www.buscojobs.com.es/network-security-engineer-sdn-firewalls-en-madrid-ID-364197265 ## About the Role Se valorará experiencia de al menos 3 años en Cisco/FortiNet/SDN, capacidad de troubleshooting y trabajo en equipo. ## Description Kyndryl España, S.A.U.Siga leyendo para comprender completamente lo que este trabajo requiere en cuanto a habilidades y experiencia.Si su perfil encaja, presente su candidatura.busca un profesional de redes y seguridad para gestionar y operar equipos de comunicaciones, aplicando soluciones de seguridad perimetral, firewalls y tecnologías de balanceo de carga.El candidato trabajará con VPNs, DNS y soluciones de enrutamiento dinámico, ejecutando pruebas de concepto y diseñando nuevas soluciones.xcskxljSe valorará experiencia de al menos 3 años en Cisco/FortiNet/SDN, capacidad de troubleshooting y trabajo en equipo.#J-*****-Ljbffr ## 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) - [WeAreDevelopers LIVE - Back to CODE100](https://www.wearedevelopers.com/videos/1909-wearedevelopers-live-back-to-code100) - [gRPC Load Balancing Deep Dive](https://www.wearedevelopers.com/videos/1576-grpc-load-balancing-deep-dive) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [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) - [Cloud Run- the rise of serverless and containerization](https://www.wearedevelopers.com/videos/106-cloud-run-the-rise-of-serverless-and-containerization) ## 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) - [How Much Does a Software Engineer Make? Realistic Software Engineering Salaries](https://www.wearedevelopers.com/magazine/425-how-much-does-a-software-engineer-make-realistic-software-engineering-salaries) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs)