Level 2 NOC Systems Administrator – Linux/Unix Focus

Unisys; Pennsylvania; On-site; USD 80,000 - 100,000; Full time

Job summary

Unisys in Pennsylvania is seeking a skilled Linux/Unix Systems Administrator to provide advanced support in a 24/7 NOC environment. The successful candidate will be responsible for server administration, advanced troubleshooting, and ensuring the reliability of the Linux/Unix infrastructure.

Candidates should possess a BA/BS degree along with 2-4 years of relevant experience and have strong skills in Linux/Unix troubleshooting and server administration. This role requires U.S. citizenship and the ability to support rotating shifts.

Qualifications

• 2-4 years of relevant experience in systems administration.
• Strong troubleshooting skills for Linux/Unix environments.
• U.S. Citizenship and U.S. residency required.

Responsibilities

• Administers Linux/Unix servers including maintenance and configuration.
• Diagnoses and resolves complex OS and connectivity issues.
• Performs daily monitoring and initiates proactive remediation.
• Installs, removes, and upgrades Linux/Unix packages.
• Handles Level 2 Linux/Unix-related tickets through resolution.
• Provides system evaluation reports and contributes to operational recommendations.
• Updates system records and ensures licensing compliance.
• Creates runbooks and trains Level 1 analysts on procedures.

Skills

Linux/Unix troubleshooting

Server administration

Ability to support 24×7 operations

Education

BA/BS degree or equivalent experience

Job description

Job Summary

Provides advanced Linux/Unix systems administration in a 24×7 NOC environment. Handles Level 1 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.

You will be successful in this role if you have

• BA/BS degree and 2–4 years of relevant experience OR equivalent combination.
• Strong experience with Linux/Unix troubleshooting and server administration.
• Ability to support 24×7 operations and rotating shifts.
• U.S. Citizenship and U.S. residency required.
• May also hold Windows credentials if permitted.

Shift Timings

• Shift 1: Monday – Friday 7 am – 4 pm EST
• Shift 2: Monday – Friday 3 pm – 12 am EST
• Shift 3: Monday – Friday 11 pm – 8 am EST
• Weekend Shift 1: Saturday & Sunday 7 am – 8 pm EST
• Weekend Shift 2: Saturday & Sunday 7 pm – 8 am EST (includes 16 additional hours during the week)

This role may require access to export‑controlled commodities and technology. To conform to U.S. export control regulations, applicant must 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 U.S. 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 [e-mail] or Toll Free: 888‑560‑1782 (Prompt 4). U.S. job seekers can find more information about Unisys’s EEO commitment here.