L3 Server Infrastructure Lead – Unix/Linux

• Administer and troubleshoot RHEL, SUSE (SLES), and Ubuntu
• Provide L3 technical support for P1–P4 incidents and complex OS-level issues
• Lead and technically guide L1/L2 Unix/Linux operations teams across global regions
• Own OS patching, patch compliance and vulnerability remediation
• Perform CIS hardening and security baseline remediation
• Manage OS performance and capacity, including filesystem, CPU, memory and I/O issues
• Support server build, configuration, lifecycle and decommissioning activities
• Drive problem management, root cause analysis (RCA) and permanent corrective actions
• Support monitoring, disaster recovery activities and operational readiness
• Develop and maintain operational runbooks, procedures and technical documentation
• Identify and implement automation opportunities to improve operational efficiency
• Collaborate with Security, Database, Storage/Backup, Network, Cloud and Application teams
• Ensure consistent service delivery through the APAC–EMEA–NLAM follow-the-sun operating model

• 7–8+ years of experience in enterprise Unix/Linux infrastructure and production operations
• Strong hands-on experience with SUSE Linux Enterprise Server (SLES) administration, patching and troubleshooting
• Red Hat RHCSA / RHCE knowledge or certification
• Hands-on experience managing Linux workloads on AWS, Azure or GCP, including compute instances, networking, storage and cloud-based patching/security
• Expert knowledge of RHEL or Ubuntu
• Strong troubleshooting skills across OS, filesystem, process, performance and system services
• Experience with OS patching, vulnerability remediation and CIS hardening
• Strong knowledge of LVM, NFS, SSH, DNS, filesystem management, package management and cron
• Experience in enterprise 24x7 production operations
• Strong ITIL-based Incident, Problem and Change Management experience
• Experience leading and mentoring L1/L2 teams and handling major incidents
• Strong scripting and automation skills using Shell, Python, Ansible or equivalent
• Preferred: Red Hat RHCSA / RHCE or SUSE (SCA/SCE) certification
• Preferred: Experience with enterprise monitoring and patch-management tools
• Preferred: ServiceNow or other ITSM platform experience
• Preferred: Knowledge of VMware and Backup/DR solutions
• Preferred: Experience working in a global follow-the-sun support model

• Dynamic environment with strong customer and partner networks
• Culture of innovation, collaboration, and continuous learning
• Diverse and inclusive workplace
• Equal opportunity employer