L3 Server Infrastructure Lead (Unix/Linux)

📋 Description

• Provide expert L3 technical support for P1–P4 incidents, complex operating system issues, and
• Lead and technically guide L1/L2 Unix/Linux operations teams across multiple global regions.
• Administer, maintain, and troubleshoot enterprise RHEL, Ubuntu, AIX, and Solaris environments.
• Own operating system patching, patch compliance, vulnerability remediation, and security baseline
• Perform CIS hardening and address infrastructure security gaps across the server estate.
• Monitor and optimize system performance and capacity, including CPU, memory, filesystem, storage

🎯 Requirements

• 8–12+ years of professional experience in enterprise Unix/Linux infrastructure, systems
• Strong hands-on expertise in Unix/Linux system administration, troubleshooting, and enterprise
• Expert-level knowledge of at least one major enterprise operating system, such as RHEL, Ubuntu
• Strong troubleshooting capabilities across operating systems, filesystems, processes, system
• Proven experience with OS patching, vulnerability remediation, security controls, and CIS hardening.
• Strong knowledge of LVM, NFS, SSH, DNS, filesystem administration, package management, cron, and

🎁 Benefits

• Remote working opportunity from India.
• Senior-level technical ownership within a global enterprise infrastructure environment.
• Opportunity to work across diverse Unix/Linux platforms and complex production infrastructure.
• Exposure to cloud, virtualization, security, backup, disaster recovery, monitoring, and automation
• Opportunity to lead and mentor infrastructure operations teams across multiple regions.
• Collaborative environment with cross-functional interaction across Security, Network, Database