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

Muller's Solutions; Riyadh; Remote; SAR 180,000 - 300,000; Full time

Benefits offered by this job

Competitive salary and benefits

Opportunities to work with talented, a

Innovative projects

Job summary

Muller's Solutions in Riyadh seeks a Senior Linux System Administrator to install, configure, and manage RHEL servers and clusters, including Pacemaker, and ensure high availability for enterprise applications and SAP on Linux.

You will monitor performance, apply patches, enforce security, assist deployment of SAP environments, document configurations, and collaborate with ERP, database, and development teams in a 24/7 on-site setting.

Qualifications

• Degree in Computer Science or IT required.
• 3–5+ years of Linux system administration experience in an enterprise.
• Proficient with RHEL 7/8/9 and Pacemaker clustering.
• Experience supporting SAP/SAPHANA on RHEL is essential.
• Strong patching, monitoring, and security practices.
• Familiar with SCCM, SCOM, AppDynamics for ops.

Responsibilities

• Install, configure, and manage Linux servers and applications for high availability.
• Monitor performance, perform maintenance, and apply updates as needed.
• Identify and resolve OS, hardware, and network issues.
• Enforce security best practices including firewalls and permissions.
• Support SAP environments on RHEL and assist deployment activities.
• Document configurations and troubleshooting procedures for the team.
• Manage backups, recovery, and cross-team collaboration.
• Coordinate with ERP, database, and development teams for smooth deployments.
• Maintain RHEL lifecycle planning and vendor support tickets.

Skills

RHEL administration

Pacemaker clustering

SAP on RHEL

Patch management

System monitoring

Security best practices

SCOM

AppDynamics

SCCM

Documentation

24/7 shift

Team collaboration

Education

Bachelor’s degree in Computer Science or Information Technology

Tools

SCCM

SCOM

AppDynamics

Ansible

Puppet

AWS

Azure

Job description

This Full time on site position offers great opportunities for career growth. This position functions around the clock, 24/7/365, to deliver extensive support for the enterprise RHEL server environment. The role involves the installation, configuration, management, operation, and maintenance of all RHEL server systems and RHEL Clusters (including Pacemaker). It is essential to ensure system stability through daily operations, patch management, monitoring, and troubleshooting, as well as providing support for SAP environments that operate on RHEL.

in الرياض, S01, SA.

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).

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.

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.

Benefits Why Join Us

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