• Monster (Aurora, CO)
    …CO RATE RANGE: $88-92.00 PER HOUR JOB#: 14895958 REQUIRED:An active and in-scope US TS /SCI security clearance with CI polygraph is required prior to start date DOD ... hardware troubleshooting or electronics) Project or program management, office management, senior administration, or account management Position is onsite at Buckley… more
    Talent (09/05/25)
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  • 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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