Senior Linux Systems Administrator


PRNX is seeking a Senior Linux Systems Administrator to join our team of qualified and diverse individuals in Arlington, VA.

Senior Linux Systems Administrator to join our team of qualified and diverse individuals. The qualified applicant will become part of Department of State (DOS) Consular Affairs Enterprise Infrastructure Operations (CAEIO) Program, for the Bureau of Consular Affairs (CA). This initiative is intended to provide IT Operations and Maintenance to modernized the legacy networks, applications, and databases supporting CA services globally.

The Senior Linux Systems Administrator will be a member of the CA/CST CAEIO Web Services Team, responsible for working closely with CAEIO contractors, DOS leadership and business stakeholders to monitor performance, faults and security service delivery and solutions to automating IT enterprise monitoring services and related business processes.

Works with minimal direction as a seasoned resource. Installs, configures, troubleshoots, resolve complex issues, and supports ongoing usability of servers and SAN SW/HW, and peripheral Commercial-Off-the Shelf (COTS)/ Government-off-the-Shelf (GOTs) technology. Knowledgeable with iDRAC all versions, CMC and ESXi.



Performs Tier III problem resolution on the telephone with users, walks the user through a series of steps to determine problem.

Possesses a wide range of in depth skills and knowledge in Dell server hardware (R730 and R740XD, Dell SANS).

Working knowledge of VMWare Esxi including virtualized servers and datastores.

Reviews system and configurations to ensure successful implementation of services into production.

Implement, install, configure, monitor, troubleshoot Oracle Enterprise Linux systems (patching and other).

Implement hardening settings to improve security posture of endpoints.

Experience in writing scripts for OEL (nice to have).

Linux configuration and troubleshooting – networking, multipath.

Experience with RAID configuration utility.

Experience with Dell Power Vault Storage (NX32**, MD3420 and ME4024, ME5024).

Provide 24x7 technical support so as to meet SLA agreements.

Perform root cause analysis of infrastructure related issues.

Day to day support of server administration for physical and virtual server operating systems.

Ensure all Servers meet approved and required patch on a quarterly basis

Experience configuring and managing Dell network switches.

Review error logs and reported errors and seek out solutions.


US Citizenship and an active SECRET Government Security Clearance

Requires BS/BA degree and 8 to 10 year’s experience or MS/MA degree and 6 to 8 year’s experience or high school diploma/equivalent and minimum 12 year’s experience

Strong Linux Systems administration experience

This position will work First Shift: 7am - 4pm. One day on site is required.

PRNX is an equal opportunity employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.

Job Type
Full Time
57 days ago

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