Linux System Administrator

Linux System Administrator

Job Locations

US-TN-Arnold AFB

Requisition Number: 2026-25152

Category: Information Technology

Category: Information Technology

Overview

Job Title: Linux System Administrator

Location: Arnold AFB, TN

Job Family Code: P - IT / Cyber Security / Network Systems

Function/Branch: Infrastructure

Directorate: Mission Information Support

Position Type: Regular, Full-Time

Pay Type: Exempt / Salary

Sponsorship: Positions NOT Sponsored

Grade: L07 (PA0717); L08 (PA0813)

Salary Range: L07: $82,500 - $110,000; L08: $99,500 - $132,000/ per year

Beyond New Horizons, LLC (BNH) has an exciting opportunity for a Linux System Administrator, supporting TOS II, at Arnold Air Force Base, TN. As a Linux System Administrator, you will be working as a member of an integrated team responsible for design, support and maintenance of Linux Systems and Peripherals for the United States Air Force Test Operations and Sustainment efforts.

Open to internal and external candidates. The selected candidate for this requisition may be required to occasionally (e.g. application upgrades) work outside normal business hours.

Job Summary

Beyond New Horizons, LLC (BNH) is the team selected by the U.S. Air Force to conduct Test and Operations Sustainment at the Arnold Engineering Development Complex (AEDC) at Arnold Air Force Base in Tennessee. AEDC operates more than 55 aerodynamic and propulsion wind tunnels, rocket and turbine engine test cells, space environmental chambers, arc heaters, ballistic ranges and other specialized units located in six states. Many of the complex's test units have capabilities unmatched elsewhere in the United States; some are unique in the world. AEDC is one of three installations which are part of the Air Force Test Center (AFTC), one of six subordinate commands of the Air Force Materiel Command organization, and an important national resource.

AEDC's mission is to conduct developmental test and evaluation for the Nation through modeling, simulation, and ground and flight tests. Execution of the mission requires a large team of highly qualified and dedicated professionals from multiple technical disciplines to effectively accomplish the objectives of our test customers.

BNH currently has an exciting career opportunity available for Linux System Administrator to join our team at Arnold Air Force Base in Tennessee.

Job Duties

Serve as primary System Administrator for Linux based servers, workstations, and services with direct responsibility for:

• Professionally handling direct user interaction for the resolution of potentially complex issues with system and/or network functionality, compatibility, and performance.
• Evaluating hardware and software solutions, summarizing findings and recommendations to leadership.
• Build, deploy and administrate Red Hat Enterprise Linux (RHEL) workstation and server infrastructure, ensuring functionality meets AEDC mission needs.
• Configuration, deployment, and management of virtualization technology frameworks such as VMware and OpenShift.
• Building and maintaining approved secure baselines for server and client operating system images.
• System security configuration, hardening, patching, and monitoring, including implementing Security Technical Implementation Guides (STIGs) and other DoD security policies.
• Provide secondary administration support for Linux based systems and other peripheral IT equipment as assigned to include:
• Server, workstation and storage system operations, upgrades and enhancements to meet current and future end-user and facility requirements.
• Commercial and government owned software installation, patching, and troubleshooting.
• System backup hardware, applications and processes.
• Support, maintenance, repair, and installation of workstations and servers, peripheral equipment, and software applications.
• Implement and manage vulnerability patches to ensure system security.
• Work with the Information Systems Security Manager (ISSM) to ensure compliance with Cybersecurity regulations and best practices.
• Ensure Cybersecurity requirements are consistently documented, maintained, evaluated and compliant for Government IT system networks including components of systems.
• Provide end user troubleshooting support for Government IT system networks through the ticket support system.
• Support the use of common work processes and procedures within assigned function across the TOS contract.
• Take an active role in research of new Information Systems technologies and capabilities.
• Periodically evaluate process and program effectiveness and take action to maintain continuous improvement.
• Must currently possess or commit to obtaining any requisite certifications required for assuming administrative role in accordance with DoD 8140 within 6 months of hiring date.
• Provide support to AEDC Customer and other contractors.
• Availability outside of working hours to remediate critical issues with IT Infrastructure as required.
• It is a condition of employment to wear PPE (Personal Protective Equipment) in accordance with supervisory direction and company policy.
• Perform other duties as required.

Basic Qualifications

• Bachelor's degree in information technology, Computer Science, or a related technical field, and a minimum of two (2) years of experience as a system admin.
• In lieu of Bachelor's degree 6 years of IT-related experience as a system admin.
• Must be able to obtain and maintain an active security clearance and maintain authorized user access to the AEDC local area network.
• U.S. Citizenship is required due to federal government contract compliance requirements and the necessity to access secure federal databases and networks on Arnold Air Force Base.

Preferred Qualifications

• CompTIA Security+ Certification.
• Red Hat Certified System Administrator (RHCSA) and or Red Hat Certified Engineer (RHCE)
• Experience with installation, configuration and troubleshooting the following: Unix\Linux\Windows workstation and server OS environments, hardware, software, mass storage, HPC, patching, ACAS, VLAN's, VMWare, OpenShift, NetApp ONTAP, Active Directory, Veeam, and SolarWinds NPM.
• Proficiency in scripting and automation tools (e.g., Bash, PowerShell, Python, Ansible).
• Knowledge of containerization technologies (e.g., Docker, Kubernetes).
• Configuration and Application of security policies and templates for system hardening.
• Configuration, Monitoring, and Tuning of server applications and performance.
• Storage Management and Services, including RAID, LVM, NFS, and NETAPP
• Experience with NISPOM and/or DoD/RMF
• Experience with network services such as DNS, DHCP, LDAP, NIS, Apache, Tomcat.
• Skilled at building and maintaining personnel and customer relationships.
• Effective communication and interpersonal skills.
• Strong analytical and problem-solving abilities.
• Ability to work both independently and collaboratively within a team.
• Skilled in oral and written communication.
• Ability to effectively manage multiple priorities.

What We Offer

• Competitive salaries
• Continuing education assistance
• Multiple healthcare benefits packages
• 401K with employer matching
• Paid time off (PTO) along with a federally recognized holiday schedule

Who We Are

Beyond New Horizons (BNH) is a fully populated joint venture of Astrion and Fluor Federal Services, Inc. formed to provide unmatched Test Operations and Sustainment services for the Arnold Engineering and Development Complex.

We chose our name to serve as an enduring reminder of our commitment to AEDC's rich aerospace research and development legacy anchored in AEDC's Towards New Horizons founding study and the unprecedented opportunities to greatly expand AEDC's capabilities and capacity Beyond those existing today. Leveraging the capabilities of our parent companies, BNH specializes in testing and evaluation for military and space systems combined with proven capability in large-scale Government program management, integration, engineering, and construction services for specialized and technically advanced high-hazard facilities.

Join our Team!

U.S. Citizenship is required. At this time BNH will not sponsor any applicants for employment authorization or offer any immigration related support for this position (i.e. H1b, F1 OPT, F-1 STEM OPT, F-1 CPT, J-1, E-2, E-3, L-1, or other forms of work authorization that require immigration support from an employer).

The minimum and maximum full-time annual salaries for this role are listed below, by location. Please note that this salary information is solely for candidates hired to perform work within one of these locations and refers to the amount BNH is willing to pay at the time of this posting. Salaries for part-time jobs will be adjusted based upon the number of hours agreed to work.

L07: $82,500 - $110,000; L08: $99,500 - $132,000 / year at Arnold Air Force Base, TN.

BNH is an Equal Employment Opportunity Employer. We provide equal employment opportunities to all employees and applicants for employment and prohibit discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, veteran status, and any other grounds for discrimination prohibited by applicable law.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.