- Applied Research Associates, Inc. (Herndon, VA)
- …network policies ** Senior DevOps Engineer Preferred Qualifications:** + An active TS /SCI with CI Poly security clearance + OpenShift Certified Administrator ... **Description** ARA is looking for a Senior DevOps Engineer with strong expertise in OpenShift...+ **Must be a US citizen with an active TS /SCI security clearance** + Bachelors degree in a related… more
- Infinity Systems Engineering (Alexandria, VA)
- …be more with us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven team. This position offers a broad scope ... and Cisco switches. + Perform systems administration on Windows and Linux platforms (updates, security, troubleshooting, management). + Maintain secure high… more
- UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
- …Linux Systems Administrator to join our team in Dahlgren, VA. The Senior Linux Administrator is responsible for system administration and customer ... **Overview** SENIOR LINUX SYSTEMS ADMINISTRATOR :...**Overview** SENIOR LINUX SYSTEMS ADMINISTRATOR : Bowhead seeks a...to obtain and maintain a security clearance at the Top Secret level. US Citizenship is a… more
- General Dynamics Information Technology (Macdill AFB, FL)
- …Advance how our customers operate while you advance your career. Join GDIT as a ** Senior Linux Systems Administrator ** and build an impactful career in ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job...like you. **MEANINGFUL WORK AND PERSONAL IMPACT:** As a ** Senior Linux Systems Administrator ** ,… more
- BAE Systems (San Diego, CA)
- …Other incentives may be available based on position level and/or job specifics. ** Senior Linux System Administrator ** **116453BR** EEO Career Site Equal ... career with BAE Systems. BAE Systems is seeking a Senior Closed Area Linux Systems Administrator...Skills** US Citizenship is required by contract. Active US Top Secret Security Clearance / SCI is… 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 ... to drive impactful solutions in support of critical government missions. As a ** Senior Linux Systems Administrator ,** you will help maintain and… more
- Leidos (Aurora, CO)
- **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 you'll provide...Virtualization + **Security Clearance** : Must have an active Top Secret /SCI with Polygraph cssrc conmd Come… more
- Black Bear Technology Solutions, LLC (Adelphi, MD)
- Senior Linux System Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The ... Senior Linux System Administrator is responsible for leading system administration activities. This position oversees the installation, configuration,… more
- Parsons Corporation (Aberdeen, MD)
- …+ Linux + certification (or equivalent) + Security+ certification (or equivalent) + Top Secret clearance **Security Clearance Requirement:** An active Top ... **Job Description:** _Parsons is looking for an amazingly talented_ **_Senior Linux Systems Administrator_** _to join our team!_ **_What You'll Be Doing:_**… 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 & ... program "Delivers Mission Success!" Seeking a motivated and experienced Linux System Administrator for a small, diverseteam...+ **Security Clearance** : Candidates must possess an active TS /SCI with Polygraph to be considered for this role.… more
- ManTech (Fort Meade, MD)
- Mantech seeks a motivated, career and customer-oriented ** Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will ... Administration experience. + Must be proficient with troubleshooting in a Linux environment. **Security Clearance Requirements:** + Current/Active TS /SCI with… more
- ManTech (Fort Meade, MD)
- ManTech seeks a ** Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will provide support for implementation, ... utilization; perform capacity analysis and system planning. + Configure and manage Linux and Windows operating systems; install, load, and enhance OS software for… more
- Alaka'ina Foundation Family of Companies (Kauai County, HI)
- …The Alaka`ina Foundation Family of Companies (FOCs) is looking for a Senior Linux Systems Administrator Range Network. The position ... Senior Systems Administrator ( Linux )... Senior Systems Administrator ( Linux ) Location HI - Kaua'i...AND CLEARANCE: + Must be a US Citizen + Top Secret security clearance is required with… more
- Amentum (Waimea, HI)
- …required + Linux + Linux + Red Hat Certified System Administrator (RHCSA) **Security Clearance** Top Secret security clearance is required ... Amentum is seeking a highly experienced Senior Linux System Administrator ...must be a US Citizen to apply for a Secret Security Clearance. Applicants selected either must currently possess… more
- SMX (Dahlgren, VA)
- Senior Linux /Unix Systems Administrator ...be able to obtain and maintain Top Secret + 6+ years' experience administering Linux /Unix ... Dahlgren, VA SMX is looking for a highly motivated Senior Linux /Unix Administrator to join...Secret clearance with ability to obtain and maintain Top Secret clearance + Networking protocols +… more
- TekSynap (Dahlgren, VA)
- …& Qualifications** TheTekSynap is seeking a **S** **enior S** **ystem** ** Administrator (Unix/ Linux ).** The Senior Systems Administrator ... to adjust focus. **WORK AUTHORIZATION/SECURITY CLEARANCE** USCitizenship **Clearance requirement** : Top Secret (T5 investigation) **OTHER DUTIES** Pleasenotethis… more
- Link Solutions Inc (Aberdeen Proving Ground, MD)
- … Top Secret Clearance. + Non-remote (relocation incentive available) Our Linux System Administrator ( Senior -Level) will be responsible for the ... for Services and Development. Link Solutions is seeking a Linux System Administrator ( Senior -Level) to...a US Citizen. + Must have an active DoD Top Secret Clearance. + Must have an… more
- RTX Corporation (El Segundo, CA)
- …only US citizens are eligible for a security clearance **Security Clearance:** DoD Clearance: Top Secret At Raytheon, the foundation of everything we do is ... You Will Do** + We are seeking an experienced Linux Administrator that will be working in...years experience. + Active and transferable US government issued Top Secret security clearance is required prior… 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 ... Original Posting Date: 2025-10-29 Clearance Requirement: This position requires an active TS /SCI with a polygraph. You must be a US Citizen for consideration.… more
- Northrop Grumman (Redondo Beach, CA)
- … systems. **Preferred Qualifications:** + Bachelor's degree in Information Technology + Active Top Secret , TS /SCI, Polygraph, or SAP/SAR access would be ... The Northrop Grumman Classified Solutions team is seeking a senior ** Linux Systems Administrator ** to...have the ability to obtain, and maintain, a DOD ** Top Secret ** level security clearance as a… more
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