Senior Systems Administrator

About the role

We are seeking an experienced Senior Linux System Administrator to join our team. You will manage, maintain, and optimise our Linux infrastructure, focusing on Red Hat Enterprise Linux environments. The role is critical for system reliability, security, and performance while collaborating with multiple stakeholders across the organisation.

Key responsibilities

• Administer, configure, and maintain Red Hat Enterprise Linux (RHEL) systems across the enterprise.
• Manage and maintain Red Hat Satellite infrastructure for provisioning, configuration management, and lifecycle management.
• Create and maintain scripts to automate server provisioning and patching.
• Collaborate with cross‑functional teams and prioritise multiple deliverables.
• Provide technical leadership and mentorship to junior team members.
• Develop and maintain system documentation and standard operating procedures.
• Troubleshoot complex system issues and implement effective solutions.
• Participate in on‑call rotation and respond to critical incidents.

Required profile

• Strong Linux system administration experience, especially with RHEL.
• Proven experience with Red Hat Satellite administration (installation, configuration, content management, provisioning).
• Solid understanding of vulnerability management and patching processes.
• Excellent oral and written communication skills for both technical and non‑technical audiences.
• Ability to prioritise multiple deliverables and manage competing stakeholder demands.
• Experience with system monitoring, performance tuning, and capacity planning.
• Strong troubleshooting and problem‑solving abilities.

Required skills

• Red Hat Enterprise Linux (RHEL)
• Red Hat Satellite
• Linux system administration
• Vulnerability and patch management
• System monitoring and performance tuning
• Capacity planning
• Scripting/automation
• Microsoft Azure VM administration (preferred)
• AIX Unix administration (preferred)
• Cisco ESX administration (preferred)
• PowerPC administration (preferred)
• Kubernetes container orchestration (preferred)
• CI/CD pipelines and infrastructure as code (preferred)