- Applied Research Associates, Inc. (Herndon, VA)
 - …clusters + **Documentation** : Maintain thorough documentation of infrastructure, systems , and processes **Offer is contingent upon contract award.** **Senior ... Requirements:** + **Must be a US citizen with an active TS/SCI security clearance** + Bachelors degree in a...TS/SCI with CI Poly security clearance + OpenShift Certified Administrator (OCA) or Kubernetes certification + Experience with hybrid… more
 
        - General Dynamics Information Technology (Washington, DC)
 - …of related experience **US Citizenship Required:** Yes **Job Description:** ** Linux Systems Administrator ** **- Active Top Secret Required** Seize your ... opportunity to make a personal impact as a ** Linux ** ** Systems Administrator ** with GDIT....DoD 8140 compliance required + **Security Clearance Level** : Active Top Secret + **Required Skills and Abilities:** Highly… more
 
- BAE Systems (Annapolis Junction, MD)
 - …in your life and keep you performing at your best. We are in search of a Linux Systems Administrator to: + Install, configure, and network UNIX and/or NT ... Other incentives may be available based on position level and/or job specifics. ** Linux Systems Administrator ** **115415BR** EEO Career Site Equal… more
 
- Nightwing (Sterling, VA)
 - …intelligence community, defense, civil, and commercial markets. Nightwing is seeking a qualified Linux Systems Administrator to work with a close-nit team ... Develop and maintain backup and disaster recovery plans for Linux systems . + Patch Management: Manage the...clearance + 3+ years of directly relevant experience in Linux System Administrator . + Proficiency in managing… more
 
- BCMC (Arlington, VA)
 - …and business continuity of the customer mission. Responsibilities: - Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux ... large scale configuration management and deployment across Windows, MacOS, Linux /Unix, and other operating systems and virtual...- 5+ years of directly relevant experience as a Linux System Administrator . - 3+ years of… more
 
- ManTech (Chantilly, VA)
 - **MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in Chantilly, VA** This opportunity allows you to become ... in support of critical government missions. As a **Senior Linux Systems Administrator ,** you will...with domain account management, particularly via Centrify, LDAP, and Active Directory + Strong shell scripting experience and experience… more
 
- Leidos (Annapolis Junction, MD)
 - **Description** **Leidos** has a new and exciting opportunity for a Principal Linux Systems Administrator in our **National Security Sector's (NSS) Cyber & ... National Security!** **Job Summary:** Leidos is seeking a Principal Linux Systems Administrator with demonstrated...Stack HCI, etc.) + **Clearance Required: Must have an active TS/SCI with Polygraph** **At Leidos, the opportunities are… more
 
- Leidos (Columbia, MD)
 - **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where...and Virtualization + **Security Clearance** : Must have an active Top Secret/SCI with Polygraph cssrc conmd If you're… more
 
- CACI International (Reston, VA)
 - Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular ... a critical DoD system? Join our team as a Systems Administrator ! You will get to use...in system design, development, and production support of large applications/ systems . + Windows and Linux server system… more
 
- Parsons Corporation (Centreville, VA)
 - …your talent and redefine what's possible. **Job Description:** Parsons is seeking a mid-level Linux Systems Administrator . The candidate will support both ... be accepted in place of a degree + 3+ years experience with Linux operating systems , including installations, maintenance, and troubleshooting + Experience in… more
 
- Leidos (Annapolis Junction, MD)
 - **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... how this program "Delivers Mission Success!" Seeking a motivated and experienced Linux System Administrator for a small, diverseteam that provides end-to-end… more
 
- General Dynamics Information Technology (Falls Church, VA)
 - …years of related experience **US Citizenship Required:** Yes **Job Description:** **HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system ... administration support for Linux operating systems including installing software, applying...Level Requirements:** + Must have a minimum of an active Secret clearance at time of interview and candidate… more
 
- The Metamorphosis Group (Chantilly, VA)
 - System Administrator - LINUX - TS/SCI FSP REQUIRED Chantilly, VA Apply Now Job Description The Metamorphosis Group, Inc, TMG, has an immediate opening for a ... Linux System Administrator , who shall be responsible...continuous system monitoring. MUST BE US CITIZEN MUST HAVE ACTIVE TS/SCI with FSP US Veterans Preferred **ABSOLUTELY NO… more
 
- Nightwing (Sterling, VA)
 - …and providing technical services to enable customer mission accomplishment. The Senior System Administrator ( Linux ) will serve as a key member of the EINSTEIN ... support for the deployment, configuration, and sustainment of Red Hat Enterprise Linux (RHEL)-based systems across multiple federal data centers. This position… more
 
- ARSIEM (Annapolis Junction, MD)
 - …every client you work with. ARSIEM is looking for a motivated and experienced Linux System Administrator for a small, diverse team that provides end-to-end ... software, systems , and network engineering services to support Integrated Discovery...Posting Date: 2025-10-29 Clearance Requirement: This position requires an active TS/SCI with a polygraph. You must be a… more
 
- Nightwing (Arlington, VA)
 - …Nightwing is seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and ... large scale configuration management and deployment across Windows, MacOS, Linux /Unix, and other operating systems and virtual...- 5+ years of directly relevant experience as a Linux System Administrator . - 2+ years MacOS… more
 
- GovCIO (Washington, DC)
 - **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This ... role, you will work with other members to mitigate vulnerabilities on Linux -based systems , implement STIGs, address POAMs, and mitigate Zero-Day vulnerabilities.… more
 
- ManTech (Laurel, MD)
 - …**Preferred Qualifications:** + Experience/familiarization with full lifecycle management of Linux systems , to include provisioning, configuration management and ... **Mantech** seeks a motivated, career and customer-oriented ** Linux ** **System Administrator ** to join our...but are not limited to:** + Configure and manage Linux operating systems . Installs/loads operating system software,… more
 
- Parsons Corporation (Centreville, VA)
 - …of deployed systems . This role includes system design, configuration, and debugging of Linux systems . Note: this is a full time in-office role. **What You'll ... your talent and redefine what's possible. **Job Description:** Our Special Programs and Systems team is hiring Linux System Administrators with a passion for… more
 
- ENS Solutions (Reston, VA)
 - …and configuration management. + Experience as a network administrator or systems engineer. + Experience in using Active Directory to manage Windows ... manage operating system and application software as necessary. Support Linux & Windows systems engineering efforts in...degree and 3+ years of experience as a system administrator + Active DoD 8570 IAT Level… more