• CNS Systems Administrator

    BAE Systems (Annapolis Junction, MD)
    …security architectures. + Must have experience or familiarity with the following systems : Windows/ Linux operating systems , VMware, and Networking: Switches, ... Description** The selected individual will be responsible for maintaining system administration support activities for a large complex network environment with… more
    BAE Systems (09/29/25)
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  • Principal/Sr Principal HPC Systems Engineer

    Northrop Grumman (Linthicum Heights, MD)
    …lifecycle + Demonstrated experience analyzing and responding to customer requirements + Strong Linux systems administration proficiency (RHEL nice to have) + ... + Demonstrated experience analyzing and responding to customer requirements + Strong Linux systems administration proficiency (RHEL nice to have) + Strong… more
    Northrop Grumman (11/07/25)
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  • Systems Engineer, Senior

    BOOZ, ALLEN & HAMILTON, INC. (Fort Meade, MD)
    …direction, and mentor and supervise team members. You'll support Windows and Linux systems engineering efforts in system design and evaluation, solution ... Systems Engineer, Senior The Opportunity: Are you looking...engineering, sof tware development, or system administration . You'll use your passion to learn new skills… more
    BOOZ, ALLEN & HAMILTON, INC. (11/06/25)
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  • Modernization Cyber Systems Administrator…

    Lockheed Martin (Hanover, MD)
    **Description:** **The Work:** We are seeking professionals interested in Systems Administration \. * Here, you are going to provide life\-cycle services to ... Diploma or GED plus fourteen \(14\) years of general systems administration experience OR * A Bachelor's...such as RHEL, CentOS, Ubuntu, and Debian\. Knowledge of Linux systems processes, file systems ,… more
    Lockheed Martin (10/10/25)
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  • Information Systems Security Officer

    FGS, LLC (Suitland, MD)
    Systems , or related field preferred + Minimum 10 years of systems administration and cybersecurity experience (Windows and Linux ) + Current DoD IAT Level ... in the Risk Management Framework (RMF), experience with both Windows and Linux systems , and the ability to collaborate across technical and management teams.… more
    FGS, LLC (08/23/25)
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  • Systems Administrator (IT Program Services)

    Nightwing (Annapolis Junction, MD)
    …complex concepts to a diverse audience. High level of proficiency and experience in Linux Systems Administration using Debian or Red Hat based distributions. ... community, defense, civil, and commercial markets. Nightwing is seeking an experienced Linux Systems Administrator with a proven ability supporting classified… more
    Nightwing (09/22/25)
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  • Cyber Systems Administrator (Active TS/SCI)

    Northrop Grumman (Elkridge, MD)
    …program management and end users. + Must be able to configure and manage Linux and Windows operating systems upon start date, installs/loads operating system ... Provide Tier 1 and Tier 2 technical support (Domain Administration , System Administration , and Network Administration...by navigating via command line through different variations of Linux Operating Systems to include Ubuntu, Red… more
    Northrop Grumman (10/02/25)
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  • 335 - Operational Systems Integrator 3

    ARSIEM (Fort Meade, MD)
    …McAfee, and UAM. + Strong Windows experience Preferred Qualifications + Experience with Linux Systems Administration + Experience deploying and maintaining ... IAT-I certification, such as: A+CE, CCNA-Security, CND, Network+CE, SSCP + Systems administration including installing, configuring, and maintaining bare metal… more
    ARSIEM (10/22/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    …of hardware and software in support of developing and testing of information technology systems + Experience with Linux administration + Experience using ... **ManTech** seeks an experienced and passionate, career and customer-oriented ** Linux System Administrator** to join our team located in the Fort Meade, MD area.… more
    ManTech (10/16/25)
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  • Intrusion Detection Systems (IDS) Engineer

    Leidos (Woodlawn, MD)
    …experience with Snort 3.x or similar IDS/IPS platforms + Proficiency with Unix/ Linux operating systems + Experience writing detection signatures (Snort, YARA, ... intrusions are detected + Document procedures, configurations, and security findings System Administration + Execute Unix/ Linux command line operations for IDS… more
    Leidos (11/18/25)
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