• System Administrator - Active

    ENS Solutions (MD)
    This role is contingent upon Contract Award The System Administrator supports secure and resilient operations of PKI infrastructure and associated systems ... leveraging DoD infrastructure. This includes managing RA workstations, ensuring system compliance with cybersecurity frameworks, and supporting audit readiness for… more
    ENS Solutions (10/31/25)
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  • Systems Administrator

    Linchpin Solutions, Inc. (Aberdeen Proving Ground, MD)
    …We are currently hiring for a dynamic and experienced Systems Administrator . Clearance: Active DoD Secret Clearance Work Schedule:Onsite Monday-Friday, ... Systems Administrator Aberdeen Proving Ground, MD...deploy, administer, and troubleshoot key infrastructure components including Windows Active Directory, Group Policy, DNS, Microsoft Exchange, and both… more
    Linchpin Solutions, Inc. (11/18/25)
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  • Senior Linux System Administrator

    GovCIO (Annapolis, MD)
    **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This ... System Security, applying updates and remediating vulnerabilities (or commensurate experience) Active Secret Clearance Required with ability to obtain and… more
    GovCIO (11/07/25)
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  • Cyber Systems Administrator

    Northrop Grumman (Elkridge, MD)
    …of your career. We are looking for you to join our team as a **Cyber Systems Administrator ** based out of **Elkridge, MD** . _Please Note: Due to the classified ... of IT experience is required. + US Citizenship + Active Top Secret / SCI security clearance...for implementation, troubleshooting and maintenance of Information Technology (IT) systems . + Manages IT system infrastructure and… more
    Northrop Grumman (01/01/26)
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  • Principal/Sr. Principal Systems

    Northrop Grumman (Patuxent River, MD)
    Systems (NGAS) has an exciting career opportunity for a **Principal/Sr. Principal Systems Administrator ** to join the Ground Segment team of qualified, ... manner. The selected candidate will be responsible for providing System Administrator level technical support services on...be considered in lieu of a completed degree. + Active Top Secret clearance (with a background… more
    Northrop Grumman (12/12/25)
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  • System Administrator

    Systems Technologies, Inc. (Hanover, MD)
    …data science, information systems , or computer science SECURITY CLEARANCE . Active DoD Top Secret /SCI clearance required TRAVEL . Some travel may ... System Administrator Location Hanover, MD Job...monitoring, troubleshooting, analysis and repair of Desktop and Server systems , Disaster Recovery Systems switches, networks, video… more
    Systems Technologies, Inc. (12/02/25)
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  • Storage Administrator Active TS/SCI…

    General Dynamics Information Technology (Annapolis Junction, MD)
    …of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** IT ... and Operations **Skills:** Backup and Recovery (Software),Information Technology (IT) Systems ,NetApp **Certifications:** CompTIA Security + certified (DoD 8570 IAT… more
    General Dynamics Information Technology (01/07/26)
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  • Senior Linux Systems Administrator

    Leidos (Camp Springs, MD)
    … Security Certified Practitioner (SSCP)). + Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems Administrator ). + 3+ ... critical Red Hat Enterprise Linux environment. As a Senior System Administrator , you'll be instrumental in designing,...Joint base Andrews or The Pentagon and requires an active Secret clearance to start. **Primary Responsibilities:**… more
    Leidos (12/20/25)
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  • Cloud System Administrator

    CACI International (Aberdeen Proving Ground, MD)
    Cloud System Administrator (Journeyman) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: ... * * * **The Opportunity:** CACI is seeking a Systems Administrator with a background in Cloud...and sustainment of firewall technologies. **Qualifications:** _Required:_ + An active DoD Secret Security clearance. + A… more
    CACI International (01/08/26)
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  • Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …purchase hardware, software, and system components. + Perform as a Linux systems administrator for a classified government network and manage all aspects of ... Northrop Grumman Classified Solutions is seeking a well-qualified Linux Systems Administrator to join its dynamic team...of a completed degree. + Applicants must have an active DoD Secret level security clearance (at… more
    Northrop Grumman (01/06/26)
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