Linux System Administrator

Senior Linux System Administrator

📍 Ra'anana / Yokneam (Hybrid)

A leading global technology organization is looking for an experienced Site Reliability Engineer (SRE) to join a highly skilled infrastructure team supporting large-scale production environments.

This role focuses on maintaining and improving the reliability, stability, and performance of complex Linux-based infrastructure. The ideal candidate brings deep Linux expertise, strong troubleshooting capabilities, and hands-on experience managing enterprise-scale production systems.

Responsibilities

• Administer, maintain, and troubleshoot large-scale Linux production environments
• Ensure high availability, reliability, and performance of critical infrastructure services
• Develop and maintain operational automation using Bash and Python
• Manage and optimize configuration management platforms such as Ansible and Puppet
• Support Kubernetes and container-based infrastructure
• Troubleshoot complex infrastructure issues across operating systems, networking, virtualization, and applications
• Manage core infrastructure services including DNS, DHCP, LDAP, and Active Directory integrations
• Support and maintain virtualized environments using VMware and KVM
• Collaborate with engineering and infrastructure teams to improve operational efficiency and system reliability
• Participate in production incident response and root cause analysis processes

Requirements

• 4+ years of hands-on experience managing Linux production environments
• Strong experience with Linux distributions such as RHEL, Rocky Linux, CentOS, or Ubuntu
• Proven expertise in Linux system administration and troubleshooting
• Experience with Bash and Python scripting
• Hands-on experience with Ansible, Puppet, Chef, or similar configuration management tools
• Experience supporting Kubernetes and containerized environments
• Strong understanding of networking concepts and protocols (TCP/IP, Routing, Switching)
• Experience with virtualization technologies such as VMware and KVM
• Proven ability to troubleshoot and resolve complex infrastructure issues
• Experience working in enterprise-scale environments

Advantages

• Experience working in large-scale data center environments
• Experience supporting high-availability infrastructure
• Experience managing large server fleets
• Familiarity with monitoring and operational best practices