52589415-Oct-2026MobilitySIEMENS MOBILITY, S.
L.
U.
Mid-level ProfessionalBuild the secure, cloud-native platforms that drive the future of safe railway mobility worldwide.
For over 160 years, Siemens Mobility has been a global leader, innovating transportation solutions that move the world. We lead the way in Rolling Stock, Rail Automation & Electrification, Turnkey Systems, Intelligent Traffic Systems, and comprehensive Related Services. Through digitalization, we empower operators worldwide to create intelligent infrastructure, enhance passenger experience, and ensure unparalleled availability. Join us in transforming Mobility Management, Turnkey Projects, Electrification, Mainline & Urban Transport, and Customer Services. If you're ready to make a real impact on a more connected and sustainable future, your journey starts here.
Your mission in our team As an On-Premises Cloud Platform Engineer, you will design, deploy, and continuously evolve secure, scalable private cloud platforms for our next-generation railway signalling solutions. Your work directly impacts critical customer projects worldwide, ensuring hundreds of thousands of passengers travel safely every day.
You’ll make a difference by Design, deploy, and continuously evolve secure, scalable private cloud platforms for critical railway solutions, primarily based on Red Hat OpenShift and Kubernetes.
Configure, integrate, and deploy Siemens products, adapting platform and application components such as PostgreSQL, JBoss, and ActiveMQ Artemis to project and customer needs.
Install, administer, scale, upgrade, and troubleshoot Red Hat OpenShift Container Platform and Kubernetes environments, including their core resources, services, ingress, and operators.
Drive the modernisation of traditional Java and Linux-based applications,



supporting their evolution towards containerised and microservices-based architectures.
Administer and automate Red Hat Enterprise Linux, virtualisation platforms such as VMware vSphere and OpenShift Virtualisation, HPE compute infrastructure, networking, and persistent storage.
Develop and maintain automation, Infrastructure as Code, and CI/CD capabilities using technologies such as Ansible, Terraform, Jenkins, GitLab CI, ArgoCD, and Tekton.
Implement and continuously improve platform observability using monitoring, logging, and alerting technologies such as Prometheus, Grafana, and the ELK Stack.
Apply cloud-native security practices across the platform, including RBAC, secrets management, system hardening, and security policies.
Optimise infrastructure capacity, performance, availability, and resource utilisation across physical, virtual, and containerised environments.
Diagnose and resolve complex technical issues across infrastructure, platform, middleware, database, and application layers.
Work closely with development, engineering, cybersecurity, and operations teams to define technical solutions and support successful project delivery.
Create and maintain technical documentation, operational procedures, version-controlled configurations, and reusable knowledge to facilitate platform support and continuous improvement.
Evaluate emerging technologies and contribute to the technical evolution, automation, and standardisation of the platform.




Your success is grounded in A degree in Computer Science, Telecommunications, or equivalent practical experience in cloud platform and infrastructure engineering.
Strong hands-on expertise with Kubernetes and Red Hat OpenShift (deployment, administration, scaling, and troubleshooting).
Advanced Linux administration skills (Red Hat preferred) and solid Bash/Shell scripting capabilities.
Practical knowledge of DevOps practices, CI/CD, and Infrastructure as Code (Ansible, Terraform, etc.).
Experience with virtualization technologies like VMware vSphere or OpenShift Virtualisation.
Professional proficiency in English (C1) and Spanish, with a collaborative mindset to thrive in cross-functional general teams.
You’ll thrive even more if you also bring Knowledge of enterprise networking, persistent storage, and observability tools (Prometheus, Grafana, ELK Stack).
Experience with PostgreSQL, Java middleware (JBoss), or HPE server infrastructure.
Relevant certifications in OpenShift, Kubernetes, Linux, or VMware.
Even if you don't meet every single requirement, we encourage you to apply We value potential, eagerness to learn, and diverse backgrounds.
What you can expect when joining You will be part of a team driving digital innovation, sustainability, and positive social impact through customer-oriented solutions.
An inclusive environment where you can be your authentic self and truly belong, supported by dedicated teams and DEI learning resources.
A hybrid work model that gives you the best of both worlds: the energy of in-person collaboration and the flexibility of remote work.
A culture that values curiosity and guarantees continuous learning, offering personal and professional development opportunities for everyone.

📌 Cloud Platform Engineer (Madrid)
🏢 Siemens
📍 Madrid