• System Administrator ( TS -SCI w/Poly)

    Parsons Corporation (Columbia, MD)
    …gathering business and product functional and performance requirements + Responsible for the administration of Linux systems , and Windows servers inclusive ... of experience as a System Administrator + Experience with administration of VMware, Linux systems ,...(Security+ certified preferred, etc.) **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is… more
    Parsons Corporation (09/04/25)
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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 ... offers\. \#RMSC6ISR \#OneLMHotJobs \#RMSRB2025 **Basic Qualifications:** * Current DoD Top Secret SCI with Polygraph SA2: *...Diploma or GED plus fourteen \(14\) years of general systems administration experience OR * A Bachelor's… 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 ... Security Officer Suitland, MD **Required:** US Citizenship **Clearance Requirement:** Top Secret with SCI eligibility **Certification Requirement:** DoD IAT… more
    FGS, LLC (08/23/25)
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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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  • Fidelis Administrator - Active TS /SCI…

    ENS Solutions (College Park, MD)
    …analyze root causes and resolve complex issues utilizing your knowledge of industry. Performs systems administration of cyber tools sets and server systems ... Install, configure and manage operating system and application software as necessary. Support Linux & Windows systems engineering efforts in system design and… more
    ENS Solutions (09/27/25)
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  • Platform Engineer II - Pipeline ( TS /SCI…

    COMSO, Inc (Fort Meade, MD)
    …on systems architecture related to the Citrix environment in Windows, UNIX, Linux systems + Collaborate with back-end application developers and DBA to ... Platform Engineer II - PIPELINE ( TS /SCI w/ Polygraph) FORT MEADE, MD (http://maps.google.com/maps?q=FORT+MEADE+MD+USA+20755) Description COMSO, Inc. is a powerhouse… more
    COMSO, Inc (09/02/25)
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  • Systems Administrator IV - Pipeline…

    COMSO, Inc (Fort Meade, MD)
    Systems Administrator IV - PIPELINE ( TS /SCI w/ POLYGRAPH) FORT MEADE, MD (http://maps.google.com/maps?q=FORT+MEADE+MD+USA+20755) Description COMSO, Inc. is a ... Alaska. We are honored to be recognized as a Top Workplace for seven years running by the Baltimore...in the resolution process. + Configures and manages UNIX, Linux and Windows operating systems and installs/loads… more
    COMSO, Inc (09/02/25)
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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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  • Software Developer - TS /SCI clearance…

    V2X (Columbia, MD)
    …with another object oriented programming language + Linux Operating Systems OR significant experience in administration and automation with another ... customer developers, operators, and other supported elements. + Active TS /SCI clearance required. Must be willing to undergo a... Administration + Familiarity with multiple operating systems ( Linux , Windows, Mac) + Familiarity with… more
    V2X (11/11/25)
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  • Principal/Sr. Principal Systems

    Northrop Grumman (Patuxent River, MD)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... considered in lieu of a completed degree. + Active Top Secret clearance (with a background investigation...Linux , Cisco). + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF,… more
    Northrop Grumman (09/18/25)
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