Senior RHEL Administrator

We're Hiring: Senior RHEL Administrator!

We are seeking a highly skilled Senior RHEL Administrator to design, manage, and optimize mission-critical Red Hat Enterprise Linux (RHEL) environments across both on-premises and cloud platforms. The role requires deep technical expertise in RHEL system administration, enterprise hardware, virtualization, and automation, with proven experience supporting large-scale, high-availability infrastructures. The ideal candidate will bring advanced skills in automation (Ansible, Terraform, scripting), cloud integration (Azure/AWS), and enterprise security hardening, ensuring stability, scalability, and compliance across the IT ecosystem.

Location: Kuala Lumpur, Malaysia

Work Mode: Work from anywhere

Role: Senior RHEL Administrator

What You'll Do

• Administer, maintain, and optimize RHEL-based enterprise infrastructure in hybrid environments (on-premises & cloud).
• Oversee and manage HPE enterprise hardware (MoonShot, ProLiant) to ensure high performance and reliability.
• Implement Infrastructure as Code (IaC) using Ansible, Terraform, and cloud-native APIs (Azure/AWS).
• Automate provisioning, configuration, and patch management through advanced scripting (Bash, Python, Perl).
• Build, maintain, and manage custom Linux binary packages (RPM) and automated OS/application deployment via Kickstart.
• Configure and support enterprise-grade monitoring and alerting systems (Zabbix, Nagios, Prometheus, Icinga).
• Manage and optimize virtualization environments (QEMU/KVM, VMware integrations).
• Support enterprise authentication (Active Directory, Azure AD, LDAP, and SAML-based SSO).
• Strengthen IT security posture by implementing hardening best practices, patch compliance, and leveraging SIEM platforms (Splunk preferred).
• Diagnose and resolve complex issues related to RHEL kernel, networking, storage, and enterprise applications.
• Create and maintain technical documentation while providing mentorship and guidance to junior engineers.
  
  

What We're Looking For

Primary Technical Expertise

• Red Hat Certified Engineer (RHCE) certification required.
• Minimum 5+ years hands-on experience in enterprise RHEL administration (RHEL 7/8/9).
• Strong knowledge of Linux system internals, kernel tuning, and troubleshooting.
• Expertise in automation and configuration management (Ansible, Terraform).
• Proficient in scripting languages: Bash, Python, or Perl.
• Strong background in TCP/IP networking, load balancing, and IT security principles.
• Experience with Linux virtualization (QEMU/KVM) and enterprise-level monitoring automation.
• Proven ability to build/manage RPM packages and perform source-based builds for enterprise applications
  
  

Secondary Technical Skills (Preferred)

• Familiarity with FreeBSD and embedded Linux systems.
• Experience with Linux kernel customization and performance tuning.
• Background supporting Linux/UNIX systems for SAP landscapes.
• Knowledge of ITIL framework and enterprise change management processes.
• Exposure to Thin/Zero Client architectures.
  
  

Behavioral & Soft Skills

• Excellent communication skills (written and verbal) with ability to produce clear technical documentation.
• Strong problem-solving abilities in high-pressure, mission-critical environments.
• Effective collaborator in cross-functional and international teams.
• Proactive, customer-oriented mindset with a focus on reliability and service excellence.
  
  

Ready to make an impact? Apply now and let's grow together!