IT System Expert

About the role

Ericsson is seeking a senior IT System Expert to lead the design, deployment, administration and lifecycle management of Red Hat OpenShift container platforms and Red Hat Enterprise Linux (RHEL) infrastructure in our Dubai office. The role involves ensuring high availability, security and performance of critical Linux and container services.

Key responsibilities

• Administer and support Red Hat OpenShift Container Platform (OCP) environments, including control‑plane and worker nodes.
• Install, configure, patch, upgrade and troubleshoot RHEL 7/8/9 servers.
• Perform cluster health monitoring, capacity planning, performance tuning and incident resolution.
• Implement security hardening, RBAC, authentication, certificate management and compliance standards.
• Support containerized application deployments and CI/CD pipeline integration.
• Develop automation scripts using Ansible and Bash/Shell.
• Create and maintain technical documentation, SOPs, architecture diagrams and runbooks.
• Participate in incident, problem, change and release management processes as the Level 3 escalation point.

Required profile

• 8–10+ years of IT infrastructure administration experience.
• Strong hands‑on expertise with Red Hat OpenShift (OCP 4.x) and RHEL.
• Deep understanding of Kubernetes architecture and container orchestration.
• Proven ability to troubleshoot complex Linux, networking, storage and container issues.
• Experience collaborating with infrastructure, application, database and security teams.

Required skills

• Red Hat OpenShift (OCP 4.x)
• Red Hat Enterprise Linux (RHEL 7/8/9)
• Kubernetes
• OpenShift Operators, Routes, Projects, Storage Classes, Persistent Volumes, Image Registry
• Ansible
• Bash/Shell scripting
• Networking concepts (DNS, TCP/IP, Load Balancers, Firewalls, SSL/TLS)
• Enterprise storage integration (SAN/NFS/CSI)
• Monitoring and logging tools (Prometheus, Grafana, Elasticsearch, Kibana)
• Optional: Oracle Solaris administration, Red Hat Satellite