• Senior Linux System…

    BAE Systems (San Diego, CA)
    …awards. Other incentives may be available based on position level and/or job specifics. ** Senior Linux System Administrator ( GXP Program )** **114778BR** ... 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
    BAE Systems (09/09/25)
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  • Senior Linux Systems…

    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
    ManTech (08/30/25)
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  • Senior Linux Systems…

    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 At… more
    Leidos (07/16/25)
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  • Senior Linux System…

    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
    Black Bear Technology Solutions, LLC (08/23/25)
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  • Senior Linux System…

    Parsons Corporation (Aberdeen, MD)
    …+ Linux + certification (or equivalent) + Security+ certification (or equivalent) + Top Secret clearance **Security Clearance Requirement:** An active Top ... for. **Job Description:** _Parsons is looking for an amazingly talented_ **_Senior Linux Systems Administrator_** _to join our team!_ **_What You'll Be Doing:_** +… more
    Parsons Corporation (08/16/25)
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  • Senior Linux System…

    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 (07/26/25)
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  • Senior Linux System…

    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
    ManTech (07/15/25)
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  • Senior Linux /Unix Systems…

    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
    SMX (09/03/25)
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  • Senior Systems Administrator (Unix/…

    First Division Consulting (Dahlgren, VA)
    …+ Strong knowledge of cybersecurity vulnerabilities, attack methods, and detection techniques. + Active Top Secret ( TS ) clearance with SCI eligibility. + One ... on contract award** Position Overview: First Division Consulting is seeking a Senior Unix/ Linux Systems Administrator to support a Department of the Navy… more
    First Division Consulting (06/19/25)
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  • Senior Systems Administrator

    ICF (Reston, VA)
    …within the DC MD VA area We are seeking a highly skilled and customer-facing Senior Systems Administrator to support Linux and Windows environments for a ... **Public Trust clearance** . **Key Responsibilities:** + Maintain and administer Linux and Windows operating systems, ensuring system performance and security… more
    ICF (09/13/25)
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  • Linux System Administrator

    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
    Link Solutions Inc (09/10/25)
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  • Senior Principal Linux

    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
    RTX Corporation (08/29/25)
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  • Senior Linux System…

    Lockheed Martin (Fort Meade, MD)
    …and remains involved in the resolution process * Configure and manage Linux operating systems, install and load operating system software, troubleshoot issues, ... may be substituted\. * Ten \(15\) years of experience as a Systems Administrator \(SA\) in programs and contracts of similar scope, type, and complexity\. *… more
    Lockheed Martin (07/12/25)
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  • Principal Linux System Administrator

    General Dynamics Information Technology (Livermore, CA)
    …experience **US Citizenship Required:** Yes **Job Description:** $10K Sign-on bonus A Senior Linux System Administrator Maintains an organization's computer ... RQ192592 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job… more
    General Dynamics Information Technology (08/09/25)
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  • Sr Principal HPC Linux Systems…

    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
    Northrop Grumman (09/11/25)
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  • Secret Cleared Sr Linux System…

    Insight Global (Clearfield, UT)
    …Description Insight Global is looking for a talented Senior Linux System Administrator to join one of their top federal clients at Hill Air Force Base ... Administration o Majority of that experience should be within Linux Systems Administration * Active Secret Clearance...environment, adhering to established procedures and protocols * Active Top Secret Clearance * Master's Degree in… more
    Insight Global (09/09/25)
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  • Sr Principal Linux Systems…

    Northrop Grumman (Melbourne, FL)
    …environments **Preferred Qualifications** : + Bachelor's degree in Information Technology + Active Top Secret clearance + A Linux + or RHCSA certification ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At...The Northrop Grumman Classified Solutions team is seeking a senior ** Linux Systems Administrator ** to… more
    Northrop Grumman (08/08/25)
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  • HPC Linux Systems Administrator 3/4…

    Northrop Grumman (Melbourne, FL)
    …HPC 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
    Northrop Grumman (09/10/25)
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  • Sr. Principal Linux System…

    RTX Corporation (Aurora, CO)
    …You will be supporting a Raytheon program in a classified environment as a Senior Principal Linux System Administrator . + Responsibilities include building, ... citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with CI Poly - Current At Raytheon, the...SSCP, CySA+, CND. + Experience administering Red Hat Enterprise Linux (RHEL) based systems + Experience using and developing… more
    RTX Corporation (07/19/25)
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  • Senior Systems Administrator

    CACI International (Annapolis Junction, MD)
    …Type of Travel: Local * * * **The Opportunity:** CACI is seeking a Senior Linux Systems Administrator to provide support for implementation, troubleshooting ... Senior Systems Administrator Job Category: Information...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (07/10/25)
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