Senior Linux Administrator

Job Title : Senior Linux Administrator

Location : Irvine, CA (onsite)

Job Description :

• Provide advanced support for Linux server infrastructure, including troubleshooting and resolving complex system issues and escalations
• Linux vulnerability management
• Design, implement, and monitor Linux-based infrastructure to ensure high availability, reliability, and performance
• Manage and maintain Linux operating systems, including installation, configuration, patching, upgrades, and security hardening
• Develop, automate, and optimize administrative tasks using scripting languages such as Bash, Python, or Perl
• Oversee and execute system backups, disaster recovery planning, and data restoration processes
• Proactively monitor system performance, conduct capacity planning, and tune systems for optimal operation
• Collaborate with cross-functional teams to support project requirements, automation strategies, and deployment processes
• Implement and maintain configuration management tools (e.g., Puppet, Chef, Ansible) and infrastructure monitoring solutions
• Ensure system and data security by managing firewalls, intrusion detection systems, and applying security updates
• Maintain documentation for system configurations, procedures, and incident response
• Provide guidance, mentorship, and technical leadership to junior administrators and support staff
• Participate in change management, incident response, and root cause analysis for critical issues
• Support and maintain Linux-based applications, services (e.g., Apache, Nginx, MySQL), and network components
• Stay updated with emerging technologies, evaluate new tools, and contribute to continuous improvement initiatives
• Participate in on-call rotation to provide 24 / 7 support for critical systems as needed
• Good communication skills