Linux Systems Administrator

We are seeking an experienced L3 Linux Systems Administrator with expertise in Red Hat Enterprise Linux (RHEL). The L3 Linux administrator will be responsible for advanced system administration, troubleshooting, performance tuning and support of our enterprise Linux environment.

The L3 Linux system administrator will play a key role in the support, deployment, and maintenance of mission-critical systems across development, test, and production environments.

Key Responsibilities :

Serve as a technical point of contact for Enterprise Linux systems, managing deployments in virtualized and bare-metal environments.

Provide L3 support for incidents, root cause analysis, and resolution of complex Linux OS issues.

Install, configure, maintain, and patch Linux systems, ensuring optimal performance.

Maintain system security hardening, compliance and vulnerability remediation.

Collaborate with application, network, and security teams to support projects and infrastructure initiatives.

Provide support for high-priority incidents and scheduled maintenance windows.

Maintain detailed documentation and contribute to knowledge sharing within the team.

Required Skills & Experience :

Deep technical knowledge of :

Linux core functionality and administration tasks

End to end Linux System deployments

Troubleshooting complex Linux issues

Configuring Storage and mount points

Networking (bonding, VLANs, routing, iptables / nftables)

System performance monitoring and tuning

Patching Linux Systems and remediation of vulnerabilities.

Experience with managing REHL systems

Disclaimer

HCL is an equal opportunity employer, committed to providing equal employment opportunities to all applicants and employees regardless of race, religion, sex, color, age, national origin, pregnancy, sexual orientation, physical disability or genetic information, military or veteran status, or any other protected classification, in accordance with federal, state, and / or local law. Should any applicant have concerns about discrimination in the hiring process, they should provide a detailed report of those concerns to for investigation.

Compensation and Benefits

A candidate’s pay within the range will depend on their work location, skills, experience, education, and other factors permitted by law. This role may also be eligible for performance-based bonuses subject to company policies. In addition, this role is eligible for the following benefits subject to company policies : medical, dental, vision, pharmacy, life, accidental death & dismemberment, and disability insurance; employee assistance program; 401(k) retirement plan; 10 days of paid time off per year (some positions are eligible for need-based leave with no designated number of leave days per year); and 10 paid holidays per year.