We are seeking an experienced Sr. Linux Systems Engineer with 7 - 9 years of hands-on experience in Linux administration, virtualization, storage, server hardware, networking, and infrastructure automation. The role involves managing production infrastructure, ensuring system availability, implementing security standards, and automating operational processes.

Key Responsibilities :

Linux System Administration :

- Install, configure, administer, and troubleshoot SUSE, Ubuntu, Debian, and Rocky Linux.

- Manage OS upgrades, patching, package management, and system configuration.

- Troubleshoot complex OS, kernel, filesystem, and system-level issues.

Virtualization & Storage :

- Support VMware vSphere, ESXi, and vCenter Server, including VM lifecycle management.

- Manage Proxmox environments for VM and container workloads.

- Manage and troubleshoot NFS and CIFS/SMB file shares.

- Support storage connectivity, capacity, performance, and availability.

Server, Hardware & Data Center :

- Strong knowledge of server hardware, networking, storage, BIOS, firmware, and OOB management.

- Diagnose and resolve hardware and infrastructure-level issues.

- Support hardware installation, upgrades, and maintenance.

Performance & Security :

- Monitor system health, resource utilization, capacity, and performance.

- Troubleshoot CPU, memory, disk, and network bottlenecks.

- Implement system hardening, access controls, security patching, and vulnerability remediation.

Automation & Scripting :

- Develop automation scripts using Bash, Python, or Perl.

- Automate administration tasks using Ansible and/or Salt.

- Identify opportunities to improve operational efficiency through automation.

Production Support & Collaboration :

- Provide advanced Linux and infrastructure production support.

- Perform root-cause analysis and implement permanent corrective actions.

- Collaborate with DevOps, Cloud, Networking, Storage, Security, and Development teams.

- Support application deployments, migrations, and infrastructure projects.

Documentation :

- Maintain documentation for system configurations, procedures, standards, and troubleshooting guides.

- Create and maintain operational runbooks.

Required Skills & Qualifications :

- 7 - 9 years of experience as a Linux System Administrator, Systems Engineer, or similar role.

- Strong Linux administration skills across SUSE, Ubuntu, Debian, and/or Rocky Linux.

- Good understanding of Linux kernel, filesystems, system initialization, processes, and networking.

- Hands-on experience with VMware vSphere, ESXi, vCenter, and Proxmox.

- Strong knowledge of NFS, CIFS/SMB, server hardware, storage, BIOS, and OOB management.

- Hands-on experience with Ansible and/or Salt.

- Strong Bash scripting skills; Python/Perl is an advantage.

- Working knowledge of AWS, Azure, or Google Cloud.

- Good understanding of TCP/IP, DNS, DHCP, VPN, SSH, and firewall concepts.

- Strong troubleshooting and analytical skills with good communication abilities.

Preferred Skills :

- Enterprise data-center infrastructure experience.

- Infrastructure automation and configuration management.

- System monitoring and performance-management tools.

- Exposure to containers and cloud-native infrastructure.

- Experience supporting high-availability production environments.