Linux OS System Administrator - Remote

Müller`s Solutions; Riyadh; Remoto; SAR 201.000 - 324.000; Tempo pieno

Descrizione del lavoro

Müller’s Solutions in Riyadh region seeks an experienced Linux System Administrator to manage enterprise RHEL/CentOS environments, including clustering with Pacemaker and SAP on RHEL. You will install, configure, monitor, and patch servers, enforce security practices, and support backup/recovery processes.

You will collaborate with ERP, application, database, and hosting teams to ensure high availability and compliance with NCA, NIC, and SEC Cybersecurity regulations.

Competenze

• Bachelor’s degree in Computer Science, IT, or related field.
• 3–5+ years of Linux system administration experience in an enterprise.
• Proficient with RHEL 7/8/9 and Pacemaker clustering.
• Experience supporting SAP on RHEL (SAP, SAP HANA, SAP S/4HANA).

Mansioni

• 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.
• 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 while maintaining compliance with NCA, NIC, and SEC Cybersecurity regulations.
• Install, configure, manage, operate, and maintain RHEL server systems and clusters such as RHEL 7, 8, 9, managing RedHat HA Extension PACEMAKER clusters and supporting SAP, SAP HANA, and SAP S/4HANA environments on the RHEL platform.
• 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 like SCOM, AppDynamics and server management like SCCM, creating technical documentation and managing support tickets with RedHat.

Conoscenze

Linux System Administration

High Availability

Security Best Practices

Formazione

Bachelor’s degree in Computer Science or related

Strumenti

Pacemaker

SCOM

AppDynamics

SCCM

Descrizione del lavoro

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.

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.
• 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 while maintaining compliance with NCA, NIC, and SEC Cybersecurity regulations.
• Install, configure, manage, operate, and maintain RHEL server systems and clusters such as RHEL 7, 8, 9, managing RedHat HA Extension PACEMAKER clusters and supporting SAP, SAP HANA, and SAP S/4HANA environments on the RHEL platform.
• 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 like SCOM, AppDynamics and server management like SCCM, creating technical documentation and managing support tickets with RedHat.

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, with extensive experience in supporting SAP and SAP HANA on RHEL, monitoring solutions like SCOM, AppDynamics and management tools like SCCM.
• Awareness of cybersecurity regulations such as NCA and NIC.