Kubernetes Administrator

• Practical experience in Kubernetes administration.
• Solid knowledge of Docker and container technologies.
• Experience in creating and maintaining CI/CD processes.
• Experience with Argo CD and GitOps methodologies.
• Knowledge of Grafana and monitoring tools such as Prometheus.
• Experience working with Helm and YAML manifests.
• Linux systems administration.
• Knowledge of Kubernetes networking: Services, Ingress Controllers, DNS, and network policies.
• Knowledge of persistent storage: Persistent Volumes, Storage Classes, and CSI.
• Experience with Git and repository management.
• Ability to analyze logs, metrics, and events to diagnose incidents.
• Scripting knowledge, preferably Bash or Python.
• English level sufficient to work with technical documentation and participate in meetings.

• Experience with managed platforms such as OpenShift, AKS, EKS, or GKE.
• Knowledge of Terraform, Ansible or other Infrastructure as Code tools.
• Experience with Jenkins, GitLab CI/CD, GitHub Actions, Azure DevOps or similar tools.
• Knowledge of Loki, Elasticsearch, OpenSearch or equivalent log management solutions.
• Experience with secret management tools such as HashiCorp Vault, External Secrets, or Sealed Secrets.
• Knowledge of Service Mesh, for example Istio or Linkerd.
• Experience in hardening, vulnerability analysis, and container security.
• Knowledge of backup and recovery of Kubernetes platforms.
• CKA, CKAD, CKS or equivalent certifications.

• Technical Degree in Computer Science or similar.

At AD4 Octógono we are looking for a Kubernetes Administrator to join a technical team in charge of the administration, operation, and evolution of container-based platforms.

We are looking for a profile with practical experience in Kubernetes environments, solid knowledge of Linux systems, containers, and CI/CD processes, and the ability to diagnose and resolve incidents in complex environments.

The position combines daily platform operation with tasks of evolution, automation, security, and continuous improvement.

• Management of incidents, requests, and changes related to Kubernetes platforms.
• Management of configuration and availability of environments.
• Management of capacity, continuity, and security.
• Platform monitoring and analysis of logs, metrics, and events.
• Diagnosis and resolution of technical incidents.
• Administration and evolution of CI/CD processes and deployments via GitOps.
• Task automation using Bash, Python or other tools.
• Participation in evolution projects for the platforms.
• Participation in the definition of strategy and architecture design.
• Technological market monitoring and evaluation of new solutions.
• Application of best practices for security, availability, and continuity.
• Collaboration with the different technical teams involved in the operation and evolution of the platforms.

• 24/7 remote support.
• Shift work contract.
• Service coverage in several countries:
• Intensive and rotating shifts to be negotiated with team managers.

We are looking for an analytical, decisive, and operation-oriented person, with practical experience in Kubernetes and the ability to operate in high-availability environments.

The ability to diagnose incidents, work in a structured manner, and collaborate with different technical teams will be especially important, maintaining a proactive attitude toward the evolution and improvement of the platform.