System Administrator Linux - Lisbon

Inetumis a global digital services company focused on enabling businesses and organizations to accelerate their digital transformation. Operating in 19 countries with more than 28,000 professionals worldwide, Inetum combines innovation, expertise, and a people-centric approach to deliver impactful technology solutions. Join us and be part of a dynamic, collaborative, and forward-thinking organization.

We are looking for aSystem Administrator (Linux) to join a team responsible for the administration, evolution, and operation ofRed Hat OpenShift platforms.

The ideal candidate will have strong experience in Linux environments and container technologies, ensuring the availability, security, scalability, and efficiency of critical application platforms. This role also involves driving automation initiatives, supporting DevOps practices, and contributing to the continuous improvement of the infrastructure.

Responsibilities

• Administer, configure, and maintainRed Hat OpenShift platforms.
• Ensure the availability, security, scalability, and performance of containerized environments.
• Install, configure, monitor, and maintain OpenShift clusters.
• Manage compute, network, and storage resources across the platform.
• Implement upgrades, patches, and security measures.
• Support development teams in adoptingDevOps,CI/CD, and cloud-native best practices.
• Participate in incident management, troubleshooting, and root cause analysis.
• Optimize platform performance, reliability, and operational efficiency.
• Automate platform management and operational processes usingCI/CD,GitOps, andInfrastructure as Code (IaC) tools.
• Implement and enhance monitoring, observability, and operational processes.
• Contribute to the continuous improvement of services and application infrastructure.

• Proven experience inLinux system administration.
• Strong experience managing and operatingKubernetes environments.
• Solid knowledge ofRed Hat OpenShift.
• Experience with automation and scripting usingPython.
• Experience withCI/CD tools and practices.
• Knowledge ofGitOps methodologies.
• Experience withInfrastructure as Code (IaC).
• Experience monitoring and optimizing critical production platforms.
• Strong troubleshooting and incident resolution skills.

Mandatory Technologies

• Kubernetes
• Linux
• Python
• Redis
• RabbitMQ
• Prometheus
• Grafana