Job Summary: We are looking for a DevOps professional with experience in Cyber Defense to design robust infrastructures, manage container platforms, and drive the evolution of technological environments. Key Highlights: 1. Strategic Cyber Defense Project 2. Design of robust and highly available infrastructures 3. Continuous evolution of the technological environment DevOps At Arelance, we know that people are the most important asset within a company; therefore, we invest significant effort in identifying the best professionals for our clients and offering our candidates the best projects. We are seeking a DevOps professional to join a strategic project in the Cyber Defense area, in hybrid mode, located in Alcobendas or León. **Requirements:** * Over 3 years’ experience with Kubernetes, Docker, Helm * Solid CI/CD experience with Jenkins and/or GitLab * Knowledge of observability * Mandatory: English B2–C1, both spoken and written * Degree in Computer Science, Telecommunications, or related field required **Your Responsibilities:** * Deployment and configuration of applications and services. * Design of robust and highly available infrastructures. * Administration of container platforms based on Docker and Kubernetes. * Maintenance and evolution of CI/CD pipelines using tools such as Jenkins and GitLab. * Close collaboration with security teams to ensure compliance with standards and best practices. * Continuous evolution of the technological environment (OpenStack, Harbor, etc.). What do we offer in this position? * Permanent contract with Arelance * Access to training * Work modality: hybrid in León or Madrid (Alcobendas), 3 days remote, 2 days at client site * Salary negotiable according to profile and experience provided: (From €30k to €37k gross per annum) If you are interested in an outstanding opportunity like this one, apply now! We want to meet you! Only candidates with valid work and residence permits in Spain will be considered Kubernetes, ELK, Docker, Helm