Senior Linux System Administrator

3 days ago

Cairo, Cairo, Egypt IT-RANKS Technology Full time 120,000 - 360,000 per year

Job Summary

We are looking for a Senior Linux System Administrator with deep expertise in managing and automating large-scale Linux environments across Oracle Cloud Infrastructure (OCI) and on-premise data centers. The ideal candidate will be responsible for the full lifecycle management of systems running RHEL, CentOS, and Ubuntu, including legacy and modern OS versions, in hybrid cloud deployments.

This is a high-impact role that requires sharp troubleshooting skills, infrastructure design knowledge, and a proactive, automation-first mindset.

Key Responsibilities


• Administer, maintain, and optimize Linux servers deployed across OCI and on-prem environments.


• Standardize configurations and hardening policies across hybrid environments.


• Perform OS deployments, upgrades, and patch management across CentOS, RHEL, and Ubuntu systems.


• Manage security baselines using OCI OS Management and config management tools.


• Automate tasks using Ansible, Terraform, shell/Python scripting.


• Implement system-level monitoring and alerting using OCI Observability, Prometheus, or third-party tools.


• Manage IAM, SSH key policies, sudoers, and privileged access.


• Respond to high-severity OS-level incidents and participate in root cause analysis.


• Design automated VM provisioning workflows using OCI Resource Manager.


• Collaborate with cross-functional teams for infrastructure integration.

Required Skills & Qualifications


• 6+ years of Linux system administration experience in production hybrid environments.


• Strong knowledge of Oracle Linux, RHEL, CentOS, and Ubuntu.


• Expertise in Ansible, Bash scripting, and Python.


• Hands-on with OCI services: Compute, Block Volumes, Networking, OS Management, Vault, Resource Manager.


• Understanding of virtualization (VMware, KVM), hybrid connectivity (FastConnect, VPN).


• Familiarity with OCI IAM, security zones, compartments, and logging/monitoring.

Nice to Have


• Experience with Terraform for OCI.


• Oracle Linux administration.


• Exposure to Kubernetes / OKE.


• Backup tool experience (e.g., Veeam, Commvault).


• Security hardening knowledge (CIS), SELinux, auditd.


• Experience in regulated industries.

Work Environment

You will manage a large Linux footprint across OCI and on-premise, supporting high-availability workloads in regulated environments. This role requires participation in an on-call rotation, cross-functional collaboration, and an automation-first approach.

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