Linux System Administrator
First seen by Alion on Sep 15, 2026.
About the Role :
OSI Digital is looking for a Linux System Administrator with 5 - 7 years of hands-on experience. On successful onboarding, the individual will advance to the level of Associate Systems Lead and Systems Lead as well as receive technology training covering numerous cloud technologies (AWS, OCI and AZURE) and automation tools (Ansible).
Responsibilities :
- Installation, configuration, and troubleshooting of Linux Operating System (RHEL/OEL Versions 8 and 9)-related issues, including LVM, User administration, addressing performance-related issues, Clustering, and High Availability Management.
- Manage HP and Dell servers, including their OS, patches, security upgrades, and general upkeep.
- Able to work 24X7 shifts on a rotational basis for dedicated projects.
- Linux server management for both on-premises and cloud-based servers for multiple projects.
- Administration of Linux OS (RHEL/OEL Versions 6, 7 and 8).
- Strong Knowledge installing, configuring, troubleshooting and Administration of all flavors of Linux.
- Linux Vulnerability assessment and Mitigation.
- Good knowledge on HP & Dell Servers, BIOS and firmware upgrades.
- Manage red hat servers patching through Redhat Satellite.
- Good to have skills: OpenStack, OpenShift, VMware.
Required Skills :
- 5 - 7 years of hands-on experience in Linux OS Administration.
- Hands on experience in installation, configuration, and resolve issues with various Linux OS versions (RHEL/OEL Versions 8 and 9).
- Previous working experience as a Linux Administrator for at least 4 years.
- Knowledge of HPE and Dell hardware (x86_64) and RAID concept.
- Working knowledge of SAN technologies and scripting languages like shell and python is advantageous.
- Excellent communication, team coordination, interpersonal skills and customer care skills are mandatory.
- Demonstrated ability to use problem solving techniques such as root cause analysis to resolve issues.
- Candidates with any flavor of Linux certification would be preferable.
Note :
- We are looking for candidates interested in working from the office and flexible to work 24x7 rotational shifts.
- Experience working with international customers is required.
Skills
Linux, RHEL, Troubleshooting, System Administration, Shell Scripting, Python, AWS, Ansible, VMware, OpenShift, Linux OS