OpenShift Specialist (Madrid - Presencial)

ISCAREM HUMAN RESOURCES; Madrid; Presencial; Confidencial; Jornada completa

Descripción de la vacante

ISCAREM HUMAN RESOURCES is seeking an OpenShift Administrator to join a major international project based in Madrid. You will install, configure, and maintain OpenShift clusters across development, staging, and production, ensuring uptime and secure operations.

Day-to-day tasks include cluster monitoring, RBAC management, image lifecycle, and automation with Ansible, Terraform, Helm, or GitOps (ArgoCD/Tekton).

Formación

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Responsabilidades

• 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.

Conocimientos

OpenShift admin

Kubernetes ops

Linux admin

IaC

CI/CD

Leadership

English

Herramientas

OpenShift

Kubernetes

Linux

Ansible

Terraform

Helm

ArgoCD

Tekton

GitOps

Descripción del empleo

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 for a

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.

Requisitos

• 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.