Senior OpenShift & Linux Infrastructure Expert

Ericsson GmbH; Dubai; On-site; AED 320,000 - 520,000; Full time

Job summary

Ericsson is seeking an experienced IT System Expert to lead design, deployment, and operations of OpenShift container platforms and Linux infrastructure in the United Arab Emirates. The role focuses on platform engineering, security hardening, and automation to ensure scalable, reliable systems.

You will drive CI/CD integration, monitor with Prometheus/Grafana, and collaborate across infra, app, DB, and security teams.

Qualifications

• 8-10+ years of IT Infrastructure Administration.
• Strong hands-on experience with RedHat OpenShift (OCP 4.x) administration.
• Strong administration experience with RedHat Enterprise Linux (RHEL 7/8/9).
• Good understanding of Kubernetes architecture, container orchestration, and container runtime technologies.
• Experience with OpenShift Operators, Routes, Projects, Networking, Storage Classes, Persistent Volumes, and Image Registry.
• Linux system administration, performance tuning, troubleshooting, and security hardening.
• Experience with Ansible, Bash/Shell scripting, and infrastructure automation.
• Good knowledge of networking concepts, including DNS, TCP/IP, Load Balancers, Firewalls, and SSL/TLS.
• Experience integrating enterprise storage solutions (SAN/NFS/CSI).
• Familiarity with monitoring and logging tools such as Prometheus, Grafana, Elasticsearch, and Kibana.

Responsibilities

• Administer, maintain, and support Red Hat OpenShift Container Platform (OCP) environments.
• Install, configure, upgrade, patch, and troubleshoot Red Hat Enterprise Linux (RHEL) servers.
• Manage OpenShift clusters, including control plane and worker nodes, operators, and platform services.
• Perform cluster health monitoring, capacity planning, performance tuning, and troubleshooting.
• Implement and maintain security hardening, RBAC, authentication, certificate management, and compliance standards.
• Support containerized application deployments and CI/CD integration.
• Perform operating system patching, upgrades, vulnerability remediation, and lifecycle management.
• Troubleshoot Linux OS, OpenShift platform, networking, storage, and container-related issues.
• Collaborate with infrastructure, application, database, and security teams to resolve complex technical issues.
• Develop and maintain automation using Ansible and shell scripting.
• Prepare technical documentation, SOPs, architecture diagrams, and operational runbooks.
• Participate in incident, problem, change, and release management processes.
• Provide Level 3 technical support and serve as the technical escalation point for OpenShift and Linux platforms.

Skills

OpenShift

RHEL

Kubernetes

Ansible

Shell scripting

Networking

Security hardening

Storage

Monitoring

Tools

Prometheus

Grafana

Elasticsearch

Kibana

Job description

Ericsson is seeking an experienced IT System Expert to lead design, deployment, and operations of OpenShift container platforms and Linux infrastructure in the United Arab Emirates. The role focuses on platform engineering, security hardening, and automation to ensure scalable, reliable systems.

You will drive CI/CD integration, monitor with Prometheus/Grafana, and collaborate across infra, app, DB, and security teams.