Administrador openshift (Madrid/Presencial)

ISCAREM Human Resources, S.L.; Madrid; On-site; EUR 55,000 - 90,000; Full time

Job summary

ISCAREM Human Resources, S.L. is seeking an OpenShift Administrator to join a major international project. You will install, configure, and maintain OCP clusters across development, staging, and production while monitoring health and capacity to ensure high availability.

The role requires strong Linux administration and Kubernetes knowledge, plus experience with CI/CD pipelines and GitOps practices. English and Spanish proficiency is expected in a fast-paced, globally distributed team.

Qualifications

• Install, configure, and maintain OpenShift Container Platform (OCP) clusters across development, staging, and production environments.

Responsibilities

• Install, configure, and maintain OpenShift Container Platform (OCP) clusters across development, staging, and production environments.
• Monitor cluster health, performance, and capacity, proactively identifying and resolving issues.
• Administer and troubleshoot core OpenShift components (etcd, API server, controllers, networking, ingress/routes, storage classes).
• Manage container images and registries, including image builds, security scanning, and lifecycle policies.
• Configure and maintain networking (SDN/OVN-Kubernetes, network policies, load balancing) and storage integrations.
• Implement and manage RBAC, authentication, and security policies to ensure compliance and governance.
• Automate deployment and operational tasks using Ansible, Terraform, Helm, or GitOps (ArgoCD, Tekton).
• Support CI/CD pipeline integration for OpenShift-based deployments; perform backup and disaster recovery planning.

Skills

OpenShift Administration

Kubernetes operations

Linux system administration

CI/CD pipelines

DevOps practices

Ansible

Terraform

RBAC security

English proficiency

Spanish proficiency

Networking concepts

Cloud concepts

Tools

OpenShift Container Platform

Kubernetes

Docker

Git

Ansible

Terraform

ArgoCD

Tekton

Job description

Our client is a technology company specialized in developing projects for third parties.

With more than 30 years of experience in the IT sector, they specialize in:

Software and Web Development through teams with extensive experience developing applications based on a wide range of technologies (JAVA, C#, .NET, ASP, PHP, etc.), as well as carrying out custom development of management applications, integration solutions, intranets, extranets, communications management, websites, etc., including the maintenance, development, and improvement of previously developed applications.

SAP Consulting and Administration (SAP BC, SAP PI (and SAP XI), SAP EP, etc.)

Mobile Development: highly specialized in innovative development for mobile platforms, with a focus on iOS and Android.

Systems Administration, Digital Transformation, Cloud, Infrastructure, and Databases.

We are looking for an OpenShift Administrator to join a major international project.

Tareas

• Install, configure, and maintain OpenShift Container Platform (OCP) clusters across development, staging, and production environments.Manage cluster upgrades, patching, and lifecycle operations, ensuring minimal downtime and service continuity.
• Monitor cluster health, performance, and capacity, proactively identifying and resolving issues.
• Administer and troubleshoot core OpenShift components (etcd, API server, controllers, networking, ingress/routes, storage classes).
• Manage container images and registries, including image builds, security scanning, and lifecycle policies.
• Configure and maintain networking (SDN/OVN-Kubernetes, network policies, load balancing) and storage integrations (persistent volumes, storage operators).
• Implement and manage RBAC (Role-Based Access Control), authentication, and security policies to ensure compliance and governance.
• Automate deployment, configuration, and operational tasks using tools such as Ansible, or Terraform, or Helm, or GitOps practices (ArgoCD, Tekton).
• Support CI/CD pipeline integration for application deployment on OpenShift.Perform backup, disaster recovery, and business continuity planning for clusters and workloads.
• Manage OpenShift Operators and Operator Lifecycle Manager (OLM) for platform extensions.
• Collaborate with development, infrastructure, and security teams to define best practices and standards for containerized workloads.
• Provide technical leadership, mentoring junior administrators, and contributing to architecture and design decisions.
• Document procedures, configurations, and troubleshooting guides.
• Provide on-call support for incident resolution in production environments.
• Experience administering and supporting Red Hat OpenShift platforms.
• Strong knowledge of Kubernetes operations and containerized environments.
• Solid understanding of Linux systems administration and platform operations.
• Experience with Infrastructure as Code and automation tools (Ansible, Terraform, or similar).
• Experience implementing and maintaining CI/CD pipelines and DevOps practices.
• Experience managing platform upgrades, patches, security, and capacity planning.
• Technical coordination and collaboration across infrastructure, development, and operations teams.
• Professional working proficiency in English and Spanish.
• Work at a high-tech company with a large number of international projects.
• Take part in an innovative and well-established project that is undergoing full and powerful global expansion through the continuous development of new products and/or their functionalities.