DD767 DUYqj4m 7kaDEz6g4KVtG - Alexandria, VA

Job Description

ATTENTION MILITARY AFFILIATED JOB SEEKERS - Our organization works with partner companies to source qualified talent for their open roles. The following position is available to Veterans, Transitioning Military, National Guard and Reserve Members, Military Spouses, Wounded Warriors, and their Caregivers . If you have the required skill set, education requirements, and experience, please click the submit button and follow the next steps. All positions are onsite, unless otherwise stated.

Linux System Administrator

Alexandria, VA

Secret clearance or higher

The Test and Training Enabling Architecture (TENA) program at Leidos is looking to add a Linux System Administrator. Our mission is to develop tools for the United States Department of Defense test and training communities, to increase the speed of the development cycle, to get capabilities to the warfighter more rapidly. The Linux System Administrator will work within a team engineers, developers and system administrators, adding new capabilities to our enclaves, as well as ensuring the existing systems are secure and performing as intended.

This position is required to work on-site in our Alexandria, VA office.

Primary Responsibilities

• Provide support for installing and maintaining Linux servers.

• Provide technical leadership for migrating on premise infrastructure to hybrid cloud solution.

• Provide support for troubleshooting from OS to application-level issues.

• Manage networking equipment including switches, routers and firewalls.

• Manage configuration and maintenance of core enclave infrastructure services including DCHP, DNS, e-mail, Apache Web Servers, Tomcat application servers, Atlassian applications, MariaDB database servers.

• Configure and monitor security tools required for DoD networks.

• Participate and contribute to design discussions related to improving the capabilities, performance and security posture of new and existing services.

Auto req ID

487812BR

Minimum Education Required

Bachelors

Required Experience

Basic Qualifications:

• US Citizen with at least an active Secret clearance.

• Bachelor’s degree with 4+ years of experience or a Master’s degree with 2+ years of experience. Additional experience may be considered in lieu of a degree.

• 4+ years of experience providing System Administration to DoD IT systems.

• DoD 8570 IAT level I compliant.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting

November 6, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range

Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Preferred Experience

Preferred Qualifications:

• 6+ years of experience providing System Administration to DoD IT systems.

• DoD 8570 IAT level III compliant.

Certificates/Security Clearances/Other

Required Qualifications:

• US Citizen with at least an active Secret clearance.

• DoD 8570 IAT level I compliant.

Preferred Qualifications:

• DoD 8570 IAT level III compliant.

City*

Alexandria

State*

Virginia

Job_Category

Information Technology

Job Code

IT Information Technology

Affiliate Sponsor

Leidos

Salary Range

$75,000-$100,000