We are seeking an experienced Linux System Administrator with strong hands-on expertise in Red Hat Enterprise Linux (RHEL) and enterprise Linux environments. The ideal candidate will be responsible for Linux server administration, system configuration, patch management, security, troubleshooting, and performance optimization, along with supporting virtualization, containerization, storage, and backup environments.
Key Responsibilities
- Install, configure, administer, upgrade, patch, and secure Linux operating systems, particularly Red Hat Enterprise Linux (RHEL).
- Manage Linux servers, perform routine maintenance, troubleshoot system issues, and ensure optimal server performance, availability, and reliability.
- Configure and manage Linux networking services, including TCP/IP, DNS, DHCP, NTP, and Active Directory integration.
- Implement and maintain LAMP environments (Linux, Apache, MySQL, PHP), including installation, configuration, standard plugins, and SSL certificates.
- Manage Linux file systems, NFS, CIFS, SMB shares, permissions, and server provisioning.
- Monitor system health, hardware resources, services, and processes while ensuring the integrity and accessibility of server resources.
- Review and analyze system and application logs, manage antivirus solutions, and perform security hardening and vulnerability remediation.
- Automate routine administration and maintenance tasks using Bash, Perl, Ruby, and Python scripting.
- Support Java-based applications and middleware environments, including Apache Tomcat and JBoss.
- Administer and maintain virtualization platforms, including VMware and Red Hat OpenShift Virtualization, with exposure to OpenStack.
- Support Kubernetes clusters, containerized applications, orchestration, and CI/CD pipeline operations.
- Manage Commvault backup and recovery solutions, including backup configuration, monitoring, maintenance, and restoration.
- Perform hardware upgrades, system performance tuning, capacity planning, and resource optimization.
- Support enterprise storage environments, including Pure Storage (SAN/NAS), IBM SAN, and Oracle ZFS.
- Work with Oracle and MS SQL database environments, providing infrastructure-level administration and support.
- Create, maintain, and update technical documentation, configuration records, and operational procedures.
Required Skills & Qualifications
- Strong hands-on experience in Linux System Administration, particularly Red Hat Enterprise Linux (RHEL).
- Practical experience with Linux OS installation, configuration, upgrades, patching, troubleshooting, and security management.
- Strong understanding of Linux networking, TCP/IP, DNS, DHCP, NTP, Active Directory integration, and server services.
- Experience with LAMP stack configuration, Linux file systems, NFS, CIFS, and SMB permissions.
- Proficiency in Bash scripting, with working knowledge of Perl, Ruby, and Python.
- Experience with virtualization technologies such as VMware and Red Hat OpenShift Virtualization.
- Knowledge of Kubernetes, containerization, orchestration, and CI/CD environments.
- Familiarity with Commvault backup solutions and enterprise storage technologies.
- Working knowledge of Java applications, Tomcat, JBoss, Oracle, and MS SQL environments.
- Exposure to cloud platforms such as Azure, OpenStack, and AWS.
- Strong troubleshooting, analytical, documentation, and teamwork skills.
Candidates must be currently based in the UAE.