• Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …work of your career. Northrop Grumman Classified Solutions is seeking a well-qualified ** Linux Systems Administrator** to join its dynamic team of technical ... be limited to the following: + Perform as primary Linux Systems Administrator for a classified government...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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  • Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively ... after hours and weekends as needed. **Preferred Qualifications** : + Active DoD Top Secret security clearance. + Understanding of basic networking, including… more
    Northrop Grumman (07/02/25)
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  • Linux Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Bethesda, MD)
    Linux Systems Administrator The Opportunity: Your...wait. You Have: + 5+ years of experience with systems administration + 3+ years of experience ... Linux firewalls, networking configuration, and DNS + Active TS /SCI clearance; willingness to take a polygraph exam +...You Have: + Experience with AWS + Experience managing systems using Infrastructure as Code technologies such as Salt,… more
    BOOZ, ALLEN & HAMILTON, INC. (06/25/25)
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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 our team...and release management. **Responsibilities:** This position is for System Administration support for development and production environments for a… more
    CACI International (05/02/25)
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  • Linux Systems Administrator

    ManTech (Hanover, MD)
    ManTech seeks a motivated, career- and customer-oriented ** Linux Systems Administrator** to join our team in **Hanover, MD** . This role supports a global ... **Responsibilities include, but are not limited to:** + Provide Systems Administration support for CNOS labs in...Qualifications:** + Experience deploying, upgrading, or maintaining servers and systems + Knowledge of Linux operating … more
    ManTech (05/10/25)
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  • Senior Linux Systems Administrator

    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 & ... a master's degree with nine (9) years of relevant systems administration experience. An associate's degree with...**Security Clearance requirement** : Candidates must possess an active ** TS /SCI with Polygraph** to be considered for this role.… more
    Leidos (05/14/25)
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  • Senior Systems Administrator ( Linux

    GovCIO (Annapolis, MD)
    …willing to work nights, have an active Security+ certification, and an active Top Secret clearance. **Responsibilities** In this role you will: Provide support ... **Overview** GovCIO is hiring for a Senior Systems Administrator ( Linux and Windows) to...Required:** US Citizenship is required to acquire an active Top Secret clearance Preferred Skills and Experience… more
    GovCIO (07/09/25)
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  • Linux System Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Aberdeen Proving Ground, MD)
    …perform security scans and resolve vulnerabilities. You'll be responsible for hardening Linux systems per requirements, including Operating System (OS) patching, ... Linux System Administrator The Opportunity: Your combination of...diploma or GED and 5+ years of experience in systems administration , or Associate's degree and 2+… more
    BOOZ, ALLEN & HAMILTON, INC. (07/11/25)
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  • Senior Linux SysAdmin 2

    Lockheed Martin (Fort Meade, MD)
    …can support our mission\. **The Work:** We are seeking professionals interested in Systems Administration \. * Here, you are going to provide life\-cycle services ... of similar scope, type, and complexity\. * Experience with Linux system administration , including configuring, maintaining, and...such as RHEL, CentOS, Ubuntu, and Debian\. Knowledge of Linux systems processes, file systems ,… more
    Lockheed Martin (07/12/25)
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  • Quality Assurance Linux Administrator

    Assertive Professionals (Hanover, MD)
    …and remains involved in the resolution process. Configures and manages LINUX operating systems and installs/loads operating system software, troubleshoots, ... Quality Assurance Linux Administrator About the Organization Established in 2015,AssertiveProfessionals(AP),...the Defense Contracting community taking 15th place in America's Top 100 Small Business Visionaries for the 2018 Best… more
    Assertive Professionals (06/26/25)
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