Level 2 Network Operations Center Systems Administrator - Linux/Unix Focus

What success looks like in this role:

Job Summary

Provides advanced Linux/Unix systems administration in a 24×7 NOC environment. Handles Level 2 escalations, performs deep troubleshooting, executes system maintenance, and ensures reliability of Linux/Unix-based infrastructure across multiple locations.

Key Responsibilities

• Linux/Unix Systems Administration — Administers Linux/Unix development, test, and production servers including reloading, re-imaging, patching, configuration, and shell-level maintenance.
• Advanced Troubleshooting — Diagnoses and resolves complex Linux/Unix OS, service, and connectivity issues.
• Monitoring & Proactive Response — Performs daily monitoring of Linux/Unix systems, services, and performance; initiates proactive remediation.
• Software Management — Installs, removes, and upgrades Linux/Unix packages using native package managers (yum, apt, rpm, etc.).
• Incident Remediation — Owns Level 2 Linux/Unix-related tickets through resolution, including root cause analysis.
• Operational Reporting — Provides system evaluation reports and contributes to operational recommendations for Linux/Unix environments.
• Documentation & Compliance — Updates system records, ensures licensing compliance, and maintains accurate configuration data for Linux/Unix assets.
• Knowledge Transfer — Creates runbooks and how-to guides; trains Level 1 analysts on Linux/Unix procedures.
• Automation & AI Enablement — Utilizes automation, scripting, and AI-assisted tools to improve operational efficiency, streamline administrative tasks, and support incident resolution.

You will be successful in this role if you have:

• BA/BS degree and 2–4 years of relevant experience OR equivalent combination.
• Experience supporting enterprise Linux/Unix operating systems, including commonly used distributions such as Red Hat Enterprise Linux (RHEL), Ubuntu, SUSE Linux, or equivalent are preferred.
• Experience with Linux/Unix automation and scripting tools (e.g., Bash, Python, Ansible, or similar) are preferred.
• Familiarity with AI-assisted tools and technologies used for system administration, troubleshooting, and operational support are preferred.
• Relevant certifications such as CompTIA Linux+, RHCSA, or equivalent certifications are preferred.
• Ability to support 24×7 operations and rotating shifts.
• U.S. Citizenship and U.S. residency required.
• May also hold Windows credentials if permitted.

#LI-JV1

This role may require access to export-controlled commodities and technology.  Therefore, to conform to U.S. export control regulations, applicant should be eligible for any required authorizations from the U.S. Government.

Unisys is proud to be an equal opportunity employer that considers all qualified applicants without regard to age, caste, citizenship, color, disability, family medical history, family status, ethnicity, gender, gender expression, gender identity, genetic information, marital status, national origin, parental status, pregnancy, race, religion, sex, sexual orientation, transgender status, veteran status or any other category protected by law.

This commitment includes our efforts to provide for all those who seek to express interest in employment the opportunity to participate without barriers. If you are a US job seeker unable to review the job opportunities herein, or cannot otherwise complete your expression of interest, without additional assistance and would like to discuss a request for reasonable accommodation, please contact our Global Recruiting organization at [email protected] or alternatively Toll Free: 888-560-1782 (Prompt 4).  US job seekers can find more information about Unisys’  EEO commitment here.