Senior OpenShift & Linux Systems Engineer

Ericsson GmbH; Dubai; On-site; AED 260,000 - 420,000; Full time

Job summary

Ericsson in United Arab Emirates (Dubai) is seeking an IT System Expert to design, deploy, and manage OpenShift containers and RHEL infrastructure. You will lead cluster operations, implement security controls, and collaborate with cross-functional teams to keep systems resilient and compliant.

The role emphasizes automation with Ansible, scripting, and documentation to support incidents and CI/CD workflows.

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 Admin

RHEL Admin

Kubernetes

CI/CD

Ansible

Shell Scripting

Security Hardening

Networking Concepts

Storage & Volumes

Monitoring Tools

Tools

OpenShift Operators

Routes/Projects Networking

SAN/NFS/CSI

Prometheus/Grafana/ELK

Job description

Ericsson in United Arab Emirates (Dubai) is seeking an IT System Expert to design, deploy, and manage OpenShift containers and RHEL infrastructure. You will lead cluster operations, implement security controls, and collaborate with cross-functional teams to keep systems resilient and compliant.

The role emphasizes automation with Ansible, scripting, and documentation to support incidents and CI/CD workflows.