> Markdown version of [/jobs/ext/2699986-administrador-a-de-sistemas-senior-madrid](https://www.wearedevelopers.com/jobs/ext/2699986-administrador-a-de-sistemas-senior-madrid). 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). --- # Administrador/a de Sistemas Senior - madrid - **Company:** Redline - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Proxmox, Microsoft Windows, Linux, Disaster Recovery, Virtual Private Networks (VPN), Routing, Ansible, Security Information and Event Management, Virtualization Technology, Zabbix, Grafana, Firewalls (Computer Science), Kubernetes, Fortinet, Kibana, Terraform, Vmware, Microservices - **Published:** September 4, 2026 - **Apply:** https://eurojobs.com/jobs/26106316/apply ## About the Role * +6 años de experiencia como System Administrator * Conocimientos avanzados en Linux/Windows, virtualización y plataformas como VMware, Proxmox o similares. * Experiencia con Kubernetes, contenedores y microservicios. * Conocimientos en IaC y automatización, especialmente con Ansible, Terraform o herramientas similares. * Experiencia en disaster recovery, planes de contingencia y continuidad de servicio. * Conocimientos de ciberseguridad aplicada a infraestructura, diseño seguro, hardening, gestión de accesos y monitorización. * Inglés medio-alto (B2 - C1) Muy valorable * Conocimientos sólidos en redes, incluyendo routing, VPNs, firewalls, balanceadores de carga y segmentación. * Experiencia en entornos críticos, industriales u OT. * Experiencia con soluciones de Fortinet, SIEM, PAM, EDR/XDR o gestión centralizada de logs. * Conocimiento de herramientas de monitorización como Zabbix, Grafana, Kibana, Loki o similares., · Tendrás acceso a formación continua para que puedas estar al día. · Podrás participar en proyectos nacionales e internacionales con opción a movilidad. · No todo va a ser trabajar, por eso disfrutar de la tarjeta restaurante y seguro médico nos parece esencial. ## Description · Vas a contar con un plan de carrera, crecimiento, proyección y desarrollo profesional personalizado. ## Related Videos - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Debug a Kubernetes Operator](https://www.wearedevelopers.com/videos/487-debug-a-kubernetes-operator) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Flex your Energy: Building a Cloud-Native Platform for Renewable Energy Communities](https://www.wearedevelopers.com/videos/1990-flex-your-energy-building-a-cloud-native-platform-for-renewable-energy-communities) - [Add Location-based Searching to Site with ElasticSearch](https://www.wearedevelopers.com/videos/77-add-location-based-searching-to-site-with-elasticsearch) ## 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) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)