• Raytheon (Richardson, TX)
    Linux command line to perform database administration activities.Active and transferable Top Secret US government issued security clearance is required prior ... as only US citizens are eligible for a security clearance​Security Clearance: TS /SCI without PolygraphAt Raytheon, the foundation of everything we do is rooted… more
    JobGet (06/15/25)
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  • Linux Systems Administrator

    Northrop Grumman (Wright Patterson AFB, OH)
    …employees are not only part of history, they're making history. Northrop Grumman is seeking a Linux Systems Administrator to maintain and enhance Linux ... good working relationships with internal and external stakeholders. This Linux Systems Administrator will be... Administrator :** + Active Department of Defense Top Secret /Sensitive Compartmented Information security clearance +… more
    Northrop Grumman (05/02/25)
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  • IT Linux Systems

    SpaceX (Hawthorne, CA)
    IT Linux Systems Administrator - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out ... on Mars. IT LINUX SYSTEMS ADMINISTRATOR - TOP SECRET CLEARANCE...both formal and informal situations. ADDITIONAL REQUIREMENTS: + Active Top Secret or TS /SCI with… more
    SpaceX (05/06/25)
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  • Linux Systems Administrator

    Northrop Grumman (Wright Patterson AFB, OH)
    …employees are not only part of history, they're making history. Northrop Grumman is seeking a Linux Systems Administrator to maintain and enhance Linux ... DevOps CI/CD pipelines. You will be primarily focused on Linux Systems Administration and be prepared for... TS /SCI clearance **Basic Qualifications for a Principal Systems Administrator :** + Bachelor's degree in a… more
    Northrop Grumman (05/29/25)
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  • Linux Systems Administrator

    Northrop Grumman (Melbourne, FL)
    …Professionals, We Want You!** The Northrop Grumman Classified Solutions team is seeking a ** Linux Systems Administrator ** to join its dynamic team of ... be limited to the following: + Perform as primary Linux Systems Administrator for a...: + Bachelor's degree in Information Technology + Active Top Secret clearance + A Linux more
    Northrop Grumman (05/08/25)
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  • Intermediate Linux Systems

    Black Bear Technology Solutions, LLC (Aberdeen Proving Ground, MD)
    Intermediate Linux Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Aberdeen Proving Grounds (Onsite) Position ... Overview: The Intermediate Linux Systems Administrator specializes in the installation, configuration, and maintenance of systems across Linux more
    Black Bear Technology Solutions, LLC (05/24/25)
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  • Sr Principal Linux Systems

    Northrop Grumman (Redondo Beach, CA)
    …You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator ** **with High Performance Computing (HPC)** ... Linux network services. + Providing technical support for Linux systems and associated networks. + Installing,...degree in Information Technology + Active Top Secret /SCI clearance is preferred + Linux + or… more
    Northrop Grumman (04/08/25)
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  • Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …best work of your career. Northrop Grumman Classified Solutions is seeking a well-qualified ** Linux Systems Administrator ** to join its dynamic team of ... be limited to the following: + Perform as primary Linux Systems Administrator for a...system environments + Candidates must have a current DOD ** Top ** ** Secret ** levelsecurity clearance, to include **SCI… more
    Northrop Grumman (05/21/25)
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  • Junior Linux Systems

    SMX (Patuxent River, MD)
    Junior Linux Systems Administrator (4382)at...fixes **Required Skills and Experience:** + Clearance Required: Interim Top Secret + BS or BA degree ... Patuxent River, MD SMX is looking for a highly motivated **Junior Linux Systems Administrator ** with demonstrated experience to maintain the various … more
    SMX (06/06/25)
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  • Linux Systems Administrator

    CACI International (Linthicum, MD)
    Linux Systems Administrator Job...TS /SCI with Poly clearance + 3+ years of Linux system administration experience + Proficiency in managing physical ... Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel...* **The Opportunity:** Join our dynamic team as a Linux Systems Administrator , playing a… more
    CACI International (06/06/25)
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  • Linux Systems Administrator

    COLSA Corporation (Huntsville, AL)
    Join our team as a Linux Systems Administrator , where you will support and manage a diverse mix of workstations, servers, and high-performance computing ... for a skilled professional with a solid foundation in Linux administration and a collaborative approach to problem-solving. This...and collaboratively in a team environment. + Active DoD Top Secret Clearance with SCI. Must be… more
    COLSA Corporation (03/28/25)
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  • Principal Linux Systems

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a **Principal Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber ... with lasting impactful results. Join our team as a ** Linux Systems Administrator ** , where...Virtualization + **Security Clearance** : Must have an active Top Secret /SCI with Polygraph cssrc conmd **Original… more
    Leidos (05/30/25)
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  • Principal Linux Systems

    RTX Corporation (Tewksbury, MA)
    …are eligible for a security clearance​ **Security Clearance:** Secret - Current **Principal Linux Systems Administrator 50% on site in Andover, MA & 50% ... on site in Tewksbury, MA locations. Must have active secret clearance, we offer relocation!** **About US** : At...problems. **What You Will Do** : + Provide IT systems administration in a heterogeneous Redhat Enterprise Linux more
    RTX Corporation (05/22/25)
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  • Linux Systems Administrator

    CACI International (Hanover, MD)
    Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee ... * * * **The Opportunity:** CACI is seeking a Linux Systems Administrator to join...standard operating procedures and technical documentation. **Qualifications:** **_Required:_** + TS /SCI Clearance with polygraph + 10 years' experience +… more
    CACI International (05/02/25)
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  • Linux Systems Administrator

    Arena Technical Resources, LLC (St. Louis, MO)
    Linux Systems Administrator Location: St. Louis,...talented TS /SCI cleared Red Hat Data Center / Systems Administrator in St. Louis, MO to join ... computing engineers, high performance computing (HPC) specialists, network engineers and systems administrators. The environment is a state-of-the-art IT lab that… more
    Arena Technical Resources, LLC (06/03/25)
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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 & ... qualified candidate for a small, diverseteam that provides end-to-end software, systems , and network engineering services to support Integrated Discovery Operations… more
    Leidos (05/14/25)
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  • Linux / Unix Systems

    Lockheed Martin (Sunnyvale, CA)
    …National Security Space programs in Sunnyvale, CA\. **Your Mission:** As a Linux Information Systems Administrator , your responsibilities will include: ... vulnerabilities, and perform system hardening to ensure the security of our systems \. * Root Cause Analysis: Perform in\-depth analysis to resolve technical issues… more
    Lockheed Martin (05/24/25)
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  • Systems Administrator ( Linux

    Nightwing (Sterling, VA)
    …new cyber capabilities to address emerging threats. Nightwing is seeking a Sr. Linux Systems Administrator to support the design, development, and ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to...Secret clearance and be able to obtain a TS /SCI clearance + Must be able to obtain DHS… more
    Nightwing (05/17/25)
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  • Linux Principal Windows Systems

    Serco (Kirtland AFB, NM)
    **Position Description** Serco is seeking a Linux Principal Windows Systems Administrator to join our team supporting the Defense Systems sector at ... other legally protected characteristics. Click here to apply now (https://careers-sercous.icims.com/jobs/69556/ linux -principal-windows- systems - administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834477830) **New to Serco?** Join… more
    Serco (05/17/25)
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  • Senior Systems Administrator (Unix/…

    First Division Consulting (Dahlgren, VA)
    …on contract award** Position Overview: First Division Consulting is seeking a Senior Unix/ Linux Systems Administrator to support a Department of the ... + Strong knowledge of cybersecurity vulnerabilities, attack methods, and detection techniques. + Active Top Secret ( TS ) clearance with SCI eligibility. + One… more
    First Division Consulting (05/23/25)
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