Sr. Linux Administrator (L2 & L3)

Experience: 10 Years
Role Type: Technical
Location: Mumbai

About the Role

We are looking for a highly experienced Sr. Linux Administrator (L2 & L3) to manage enterprise Linux infrastructure, handle complex technical issues, implement automation, and lead infrastructure and security-related projects. The ideal candidate should have strong expertise in Linux administration, automation, security, and project implementation.

Key Responsibilities

• Manage and administer Linux servers at L2 and L3 levels.
• Monitor server performance, availability, capacity, and system health.
• Troubleshoot and resolve complex Linux, server, and network-related issues.
• Perform system configuration, patching, upgrades, and maintenance.
• Implement automation solutions to improve system efficiency and reduce manual tasks.
• Develop and maintain automation using tools such as Ansible, Puppet, or Chef.
• Ensure Linux infrastructure follows information security standards and best practices.
• Lead and participate in infrastructure implementation, migration, and upgrade projects.
• Coordinate with network, security, application, and infrastructure teams for issue resolution.
• Prepare and maintain technical documentation, procedures, and system configurations.
• Participate in incident management, root cause analysis, and preventive actions.
• Provide technical guidance and support to L1/L2 teams when required.

Primary Required Skills

• 10 years of hands-on Linux Administration experience
• Strong expertise in Linux/Unix server administration
• Experience with L2 & L3 troubleshooting
• Strong knowledge of Ansible, Puppet, or Chef
• Experience in Linux automation and scripting
• Knowledge of information security practices
• Experience with server migration, upgrades, and infrastructure implementation
• Strong understanding of networking and server troubleshooting
• Experience with patch management and system hardening
• Strong problem-solving and analytical skills

Preferred Skills

• Experience with Shell/Bash scripting
• Knowledge of cloud platforms and virtualization
• Understanding of high availability and disaster recovery
• Experience working in enterprise/production environments
• Relevant Linux certifications such as RHCE/RHCSA would be an advantage.