Presentation
Linux Systems Administrator (Tier I) (ID 2025-4437)
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Sabre Systems
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Arlington, VA
SessionJob Postings
Descriptionob title: Tier I Linux Systems Administrator
Sabre is seeking a skilled Tier I Linux Systems Administrator to support a mission-critical Department of Defense (DoD) program dedicated to high-performance computing operations. This role offers the opportunity to collaborate with senior engineers and system administrators to maintain and optimize advanced computing infrastructure. (This position is for potential upcoming work and does not represent an active opening at this time. Qualified candidates will be contacted once the position becomes available.)
Duties include but not limited to:
Perform general Systems Administrator functions supporting all HPC users with courteous responses to their HPC system operations and maintenance activities issues.
Support Senior Systems Administrators (SA) in optimizing the functionality and performance of hardware and software components.
Ensure availability, integrity, efficiency, and reliability of servers, workstations, and data storage systems (Lustre, Bright Cluster)
Support other System Administrators (SA) in creating, administering, and managing Linux user accounts.
Triage Tier 1 Service desk tickets and produce service ticket reports and performance metrics.
Support Linux SA and Engineering team in the installation and testing of HPC system components, including setup and configuration of:
Hardware and software
Computing and data storage servers
Networking equipment
Computing peripherals
Provide responsive backup management, security issues, set up and configuration of Linux servers and software.
Perform timely hardware replacement not covered by third-party vendor maintenance agreements.
Assist Network personnel in the configuration of networking equipment, ensuring network security, and managing firewalls.
Implement necessary measures to comply with all Program security requirements.
Adhere to all IT policies, processes, and procedures.
Manage changing priorities.
Location: The selected candidate will be required to work onsite in Arlington, VA
Sabre is seeking a skilled Tier I Linux Systems Administrator to support a mission-critical Department of Defense (DoD) program dedicated to high-performance computing operations. This role offers the opportunity to collaborate with senior engineers and system administrators to maintain and optimize advanced computing infrastructure. (This position is for potential upcoming work and does not represent an active opening at this time. Qualified candidates will be contacted once the position becomes available.)
Duties include but not limited to:
Perform general Systems Administrator functions supporting all HPC users with courteous responses to their HPC system operations and maintenance activities issues.
Support Senior Systems Administrators (SA) in optimizing the functionality and performance of hardware and software components.
Ensure availability, integrity, efficiency, and reliability of servers, workstations, and data storage systems (Lustre, Bright Cluster)
Support other System Administrators (SA) in creating, administering, and managing Linux user accounts.
Triage Tier 1 Service desk tickets and produce service ticket reports and performance metrics.
Support Linux SA and Engineering team in the installation and testing of HPC system components, including setup and configuration of:
Hardware and software
Computing and data storage servers
Networking equipment
Computing peripherals
Provide responsive backup management, security issues, set up and configuration of Linux servers and software.
Perform timely hardware replacement not covered by third-party vendor maintenance agreements.
Assist Network personnel in the configuration of networking equipment, ensuring network security, and managing firewalls.
Implement necessary measures to comply with all Program security requirements.
Adhere to all IT policies, processes, and procedures.
Manage changing priorities.
Location: The selected candidate will be required to work onsite in Arlington, VA
RequirementsJob Requirements:
Bachelor's degree in STEM discipline (e.g., CS, Engineering, Information Technology, etc.) and 5+ years of relevant experience
Current DoD 8140 IAT II Certification (e.g., Security+ CE)
VMware vSphere 6 and up
Scripting (BASH, Python, or Perl)
Familiarity with Kubernetes, containerized technology, Ansible, and PostgreSQL
Familiarity with the Risk Management Framework (RMF), and securing and hardening Linux systems to meet RMF controls.
Knowledge of CUDA, Google TensorFlow, or similar toolsets.
Clearance Requirements:
This position requires an active Top Secret DoD security clearance (U.S. Citizenship Required)
Compensation:
At Sabre Systems, LLC, compensation is based on factors such as location, qualifications, experience, and contract-specific requirements. The general salary range for this position is $70,000 - $150,000; however, final compensation will be determined by individual qualifications and applicable contract terms.
Company DescriptionSabre Systems provides advanced engineering, systems integration, and technical solutions that enable the Department of Defense and other federal agencies to strengthen mission capabilities and operational efficiency. Our teams deliver comprehensive support across high performance computing (HPC), cloud infrastructure, data storage, and systems administration, ensuring the seamless operation of complex, secure, and scalable environments.
We combine deep technical expertise with a mission driven focus to design, implement, and sustain innovative solutions that power critical research, analysis, and engineering initiatives. From optimizing HPC clusters and managing large scale data environments to deploying containerized systems and maintaining secure Linux infrastructures, Sabre’s engineers play a vital role in advancing technology across federal programs.
We’re hiring immediately to fill several technical roles. Visit www.sabresystems.com/careers
to learn more and apply.
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Event Type
Job Posting
TimeMonday, 17 November 20254:04pm - 4:04pm CST
LocationHall 6
United States of America
Sabre Systems
In-person
Full Time
Permanent