Linux OS System Administrator(Saudi National Only)-Remote at Muller's Solutions

Linux OS System Administrator (Saudi National Only) – Remote at Muller's Solutions

Location: الدمام, S04, SA. This Full time on site position offers great opportunities for career growth. The position functions around the clock, 24/7/365, to deliver extensive support for the enterprise RHEL server environment.

Key Responsibilities

• Install, configure, and manage Linux servers and applications to ensure optimal performance and high availability.
• Monitor system performance, perform routine maintenance, and apply updates as needed.
• Identify and resolve issues related to the operating system, hardware, and network configurations.
• Implement and enforce security best practices within Linux environments, including firewalls, user permissions, and file integrity measures.
• Assist in the deployment and management of applications hosted on Linux servers.
• Document system configurations, procedures, and troubleshooting documentation for reference by the team.
• Support backup and recovery processes to maintain data integrity and availability.
• Collaborate with development teams to enhance deployment processes and ensure effective integration of Linux applications.
• Ensure that all RHEL systems are managed in accordance with vendor recommendations and security best practices, while also maintaining compliance with NCA, NIC, and SEC Cybersecurity regulations.
• Contribute to the management of the operating system lifecycle, including planning for version upgrades and decommissioning.
• Install, configure, manage, operate, and maintain RHEL server systems and clusters (e.g., RHEL 7, 8, 9).
• Provide daily operational support, including OS installation, monitoring, troubleshooting, virus protection, and resource management.
• Manage RedHat HA Extension (PACEMAKER) clusters and support SAP, SAP HANA, and SAP S/4HANA environments on the RHEL platform.
• Regularly review system logs and OS behavior to proactively monitor and address potential issues.
• Build strong relationships with the ERP, application, database, and web hosting teams for daily support, troubleshooting, and scheduled maintenance activities.
• Manage and maintain client agents for server monitoring (SCOM, AppDynamic) and server management (SCCM).
• Create and maintain technical and detailed design documentation, as well as technical operation documentation.
• Create, maintain, and delete user/group accounts and implement account policies.
• Raise and manage support tickets with RedHat, including troubleshooting, log collection, and follow-up.

Requirements

• Degree: Bachelor’s degree in Computer Science, Information Technology, or a related field.
• Years of Experience: 3-5+ years of practical experience in Linux System Administration (RHEL/CentOS) in an enterprise context.
• Special Technical Skills: Proficient in RHEL (versions 7, 8, 9) and RHEL Clustering (Pacemaker).
• Extensive experience in supporting SAP/SAPHANA on RHEL.
• Demonstrated ability in the installation, monitoring, troubleshooting, and patch management of operating systems.
• Experience in managing user and group accounts.
• Familiarity with monitoring solutions such as SCOM/AppDynamics and management tools like SCCM.
• Special Generic Skills: Capability to work in a 24/7/365 shift environment.
• Excellent documentation skills, including design and operational documentation.
• Strong teamwork abilities for effective collaboration with application and database teams.
• Awareness of cybersecurity regulations (NCA, NIC).
• Decision Authority Matrix: Authorized to install, configure, patch, and maintain all RHEL systems and clusters. Responsible for daily operations, monitoring, and troubleshooting of the RHEL environment. Empowered to create and manage user/group accounts and their associated policies. Oversee the entire lifecycle of vendor support tickets for RedHat.
• Preferred Qualifications: Certifications such as Red Hat Certified System Administrator (RHCSA) or Linux Professional Institute Certification (LPIC) are a plus.
• Experience with cloud services (AWS, Azure) for deploying and managing Linux applications.
• Familiarity with configuration management tools (e.g., Ansible, Puppet).
• Ability to manage multiple priorities and projects in a fast-paced environment.
• Strong communication skills to work effectively with remote teams.

Benefits Why Join Us

• Opportunity to work with a talented and passionate team.
• Competitive salary and benefits package.
• Exciting projects and innovative work environment.