Linux System Administrator

Key Responsibilities

Install, configure, administer, and maintain Linux servers, primarily Red Hat Enterprise Linux (RHEL) and other supported Linux distributions.

Perform day-to-day

Linux administration

, including user/group management, file systems, permissions, services, processes, packages, and system configuration.

Manage server provisioning, configuration, upgrades, migrations, and decommissioning.

Perform regular OS patching, vulnerability remediation, security hardening, and CIS compliance activities.

Monitor server availability, CPU, memory, disk, filesystem, network, and overall system performance.

Troubleshoot Linux OS, application connectivity, performance, storage, filesystem, and network-related incidents.

Perform root-cause analysis for recurring or major incidents and implement permanent corrective actions.

Manage LVM, filesystem expansion, mount points, NFS, and storage-related configurations.

Support authentication and access management technologies such as LDAP, Active Directory, Kerberos, SSH, sudo, and PAM.

Configure and troubleshoot Linux networking, including DNS, routing, firewall rules, ports, and connectivity.

Develop and maintain Shell/Bash scripts to automate repetitive operational and administrative activities.

Support monitoring, backup, enterprise scheduling, security, and infrastructure management tools.

Maintain server build standards, operational procedures, architecture documentation, inventory, and technical runbooks.

Participate in incident, problem, change, vulnerability, and capacity-management processes.

Support disaster recovery exercises, backup/recovery validation, and business continuity requirements.

Provide production support and support for critical incidents and planned maintenance where required.

Technical Skills:
Strong knowledge

of RHEL/Linux administration

, Bash/Shell scripting, system, RPM/YUM/DNF, LVM, NFS, SSH, sudo, TCP/IP, DNS, LDAP/Kerberos, performance troubleshooting, patching, vulnerability remediation, and security hardening is expected.

Experience with VMware/Nutanix, AWS or other cloud platforms, Ansible or similar automation tools, monitoring platforms, CyberArk, backup technologies, and enterprise schedulers would be advantageous.

Experience & Qualifications:
Diploma/Degree in Computer Science, Information Technology, Engineering, or a related discipline, with approximately 5+ years of hands-on Linux system administration experience in a production or enterprise environment. RHCSA/RHCE or equivalent Linux certifications are advantageous.

VUI Systems is a service centric organization. Our success begins with our ability to apply our relationships, leverage technologies, and identify talent – often in combination – to an endless array of real-world customer needs. Of course, the employees of VUI Systems and their singular commitment to make life easier and better for our clients around the world make all of this possible.

Today we offer our services across North America and Asia. With us, you can rest assured that your requirement will be met. Our customer base ranges from IT majors, engineering and Hi-Tech leaders to Retail/CPG majors. Our ability to deliver and cost-effectiveness have made us trusted partners of our customers. Last but not the least, VUI is an equal opportunity employer and we take pride in our diversity.