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