• Northrop Grumman (Jacksonville, FL)
    …level) to support our Avionics Integration team in Jacksonville, FL . Current Top Secret clearance required. This role is responsible for operations and ... be filled as either a Principal (level 3) or Senior Principal (level 4), depending upon the qualifications below....of related engineering experience Must have an active DoD Top Secret clearance (with a background investigation… more
    Upward (07/19/25)
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  • Senior Linux Administrator

    Amentum (Linthicum, MD)
    …the Cyber, Security, & Intel space? If so, look no further. We are seeking an ** Senior Linux Administrator ** to join our team of passionate individuals on ... Working knowledge of several of the following technologies: + Microsoft Windows, Linux , Solaris, Cisco IOS, Active Directory, DNS, VMWare, Disk SAN, security… more
    Amentum (06/28/25)
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  • Senior Linux System…

    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 (05/10/25)
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  • Senior Systems Administrator

    Tyto Athene (Doral, FL)
    …support US Southern Command on the SCITES II Contract in Doral, Florida. The Senior Linux Administrator leads the design, implementation, and maintenance of ... **Description** Tyto Athene is searching for a ** Senior Systems Administrator ( Linux )**...VCP/VCAP, or equivalent CE certifications (as applicable) **Clearance:** + TS /SCI clearance required **Certification:** + DoD 8570 Baseline &… more
    Tyto Athene (07/24/25)
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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 **Original… 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 (05/24/25)
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  • Senior Linux System…

    ManTech (Fort Meade, MD)
    ManTech is seeking a ** Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will support the implementation, ... with Linux operating systems. **Security Clearance Requirements:** + Active TS /SCI with Polygraph. **Physical Requirements:** + Must be able to remain in… more
    ManTech (07/15/25)
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  • Senior Linux Systems…

    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 & ... etc.) + **Security Clearance requirement** : Candidates must possess an active ** TS /SCI with Polygraph** to be considered for this role. + **Desirable Skills**… more
    Leidos (05/14/25)
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  • Senior Systems Administrator

    GovCIO (Bismarck, ND)
    **Overview** GovCIO is hiring for a Senior Systems Administrator ( Linux and Windows) to provide on-going support for the administration of the core system ... willing to work nights, have an active Security+ certification, and an active Top Secret clearance. **Responsibilities** In this role you will: Provide support… more
    GovCIO (07/09/25)
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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 Windows and Linux Systems…

    The Boeing Company (Kent, WA)
    …with us. The Boeing Company is looking for a highly experienced and detail-oriented ** Senior Windows and Linux Systems Administrator ** to join the team ... in **Kent, WA** or **Tukwila, WA.** As a Senior Systems Administrator , you will design, implement,...position. **Security Clearance** This position requires an active US Top Secret Security Clearance (US Citizenship Required).… more
    The Boeing Company (07/16/25)
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  • Mid Level Linux Administrator

    Amentum (Hanover, MD)
    …and support network equipment as well as storage solutions. Candidate will work alongside a senior Linux Administrator as a mentor to provide support and ... look no further. Amentum is seeking a **Mid Level Linux Administrator ** to join our team of...and configures network components. **Requirements:** + Must have active TS /SCI with Poly + At least 4 years of… more
    Amentum (05/23/25)
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  • Linux System Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Columbia, MD)
    Linux System Administrator , Senior The...VMware ESXi + Knowledge of Linux firewalls, Linux RPMs, networking configuration, and DNS + TS /SCI ... for an enterprise environment that supports critical cybersecurity mission customers. As a Linux system administrator on our project, you'll constantly look for… more
    BOOZ, ALLEN & HAMILTON, INC. (06/25/25)
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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 (07/12/25)
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  • Sr. Principal Linux System…

    RTX Corporation (Aurora, CO)
    …for a security clearance​ **Security Clearance:** TS /SCI with Polygraph **Sr. Principal Linux System Administrator , Aurora, CO, must have active TS /SCI - ... supporting a Raytheon program in a classified environment as a Senior Principal Linux System Administrator . + Responsibilities include building, maintaining,… 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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  • Linux Cyber Range Operations…

    Lockheed Martin (North Charleston, SC)
    …be just another face in the crowd\. While we think big, we operate small\. As a Senior Systems Administrator with a Linux focus, you'll play a key role on ... assets\. **The Work** Cyber Support Operations is seeking a Senior Systems Administrator with a versatile skill...upcoming tests\. Candidates must have a strong background in Linux \. **Who We Are** At Lockheed Martin, you won't… more
    Lockheed Martin (07/12/25)
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  • Senior Systems Administrator II…

    V2X (Springfield, VA)
    …respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - active TS /SCI clearance to support our government ... required to be onsite. The position requires an active Top Secret /SCI clearance and the ability to...to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II supports the information… more
    V2X (05/17/25)
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  • Senior Database Administrator with…

    Zantech (VA)
    …your career. Come join our team! Zantech is looking for a talented Top Secret Cleared Senior Database Administrator for an upcoming project to provide ... all activities related to administration of computerized databases. The Senior Database Administrator will plan long-range requirements...the ability to obtain and maintain an active DoD Top Secret ( TS ) clearance, with… more
    Zantech (06/28/25)
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  • Systems Administrator Senior

    General Dynamics Information Technology (Fort Belvoir, VA)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** **Systems Administrator Senior (VMware) - TS /SCI required** Transform ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other...technology into opportunity as a **Systems Administrator Senior ** with GDIT. A career in… more
    General Dynamics Information Technology (07/19/25)
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