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We are looking for an experienced Linux Infrastructure Engineer – OS & Storage with 4+ years of hands-on experience in Linux server administration and enterprise storage environments. The role will be responsible for managing, maintaining, monitoring, and optimizing Linux infrastructure across physical and virtual environments while ensuring high availability, performance, security, and compliance with defined SLAs.

The candidate will work extensively with Linux operating systems including RHEL, Oracle Linux, CentOS, and Ubuntu, handling OS patching, kernel upgrades, user and access management, system performance tuning, capacity planning, and incident troubleshooting.

• Manage, configure, and maintain Linux servers in physical and virtual environments.
• Perform system updates, security patching, and kernel upgrades as per standards.
• Ensure optimal server performance and resource utilization through tuning and capacity planning.
• Maintain defined SLAs and uptime targets across systems and services.
• Administer user accounts, access controls, privileges, and authentication mechanisms.
• Monitor server uptime, availability, performance, and capacity using enterprise monitoring tools.
• Proactively monitor server health and take preventive actions.
• Fine-tune alert thresholds to minimize false positives.
• Respond to alerts and incidents within defined SLAs and maintain monitoring dashboards.
• Manage and support EMC storage solutions, including:
• SAN (Fibre Channel / iSCSI)
• NAS and NFS
• Perform LUN provisioning, zoning, masking, and storage mapping in coordination with storage teams.
• Mount, configure, and manage SAN/NAS/NFS file systems on Linux servers.
• Monitor storage performance, capacity, and availability.
• Support backup, restore, and disaster recovery activities related to storage.
• Troubleshoot storage-related performance and connectivity issues.

• Hands-on experience with Linux OS (RHEL, Oracle Linux, CentOS, Ubuntu).
• Experience managing EMC storage platforms.
• Solid understanding of SAN, NAS, and NFS protocols.
• Experience with monitoring tools (Nagios, Zabbix, Prometheus, etc.).
• Familiarity with virtualization and cloud environments.
• Strong troubleshooting and documentation skills.