Linux Administrator (m/f/d)
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Key skills for this role
About the Role
Halian is looking for a Linux Administrator in Abu Dhabi to manage and secure enterprise Linux environments. You will handle OS patching, kernel hardening, SELinux enforcement, and automation using Ansible and Red Hat Satellite.
Key Skills for This Role
Responsibilities
- Execute OS level security patching across Linux environments (RHEL, CentOS, etc.)
- Align patching processes with CIS Benchmarks and DISA STIG standards
- Perform kernel level hardening and configure SELinux policies
- Design and manage automated patching workflows using Ansible and Red Hat Satellite
- Minimize downtime during patching through careful planning and high availability strategies
- Monitor patch compliance and generate reports for audits and governance
- Maintain documentation of patch status, system configurations, and automation scripts
- Support audits and compliance assessments
Requirements
- Bachelor's degree in IT, Computer Science, Systems Engineering, or related field
- 5–8 years of experience in Linux system administration in enterprise environments
- Strong hands on experience with OS patching and system hardening
- Experience with SELinux configuration and troubleshooting
- Proficiency in configuration management tools (Ansible, Satellite)
- Familiarity with CIS Benchmarks and DISA STIG frameworks
- Proficiency in Shell scripting (Bash) and automation
- Experience in regulated industries (e.g., banking) is preferred
- Red Hat Certified Engineer (RHCE) or equivalent certification preferred
Full Job Posting
Role Purpose
- The Linux Administrator manages and secures enterprise Linux environments, ensuring systems are patched, hardened, and compliant with CIS Benchmarks and DISA STIGs.
Key Responsibilities
- Execute OS level security patching across Linux environments (RHEL, CentOS, etc.)
- Align patching processes with CIS Benchmarks and DISA STIG standards
- Perform kernel level hardening and configure SELinux policies
- Design and manage automated patching workflows using Ansible and Red Hat Satellite
- Minimize downtime during patching through careful planning and high availability strategies
- Monitor patch compliance and generate reports for audits and governance
- Maintain documentation of patch status, system configurations, and automation scripts
- Support audits and compliance assessments
Qualifications & Experience
- Bachelor's degree in IT, Computer Science, Systems Engineering, or related field
- 5–8 years of experience in Linux system administration in enterprise environments
- Strong hands on experience with OS patching and system hardening
- Experience with SELinux configuration and troubleshooting
- Proficiency in configuration management tools (Ansible, Satellite)
- Familiarity with CIS Benchmarks and DISA STIG frameworks
- Proficiency in Shell scripting (Bash) and automation
- Experience in regulated industries (e.g., banking) is preferred
- Red Hat Certified Engineer (RHCE) or equivalent certification preferred
Key Competencies
- Linux System Administration
- Patch Management & Automation
- System Hardening & Security
- Infrastructure Stability & Operations
- Compliance & Governance
- Process Automation
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