• Linux System Administrator

    ManTech (Fort Meade, MD)
    **MANTECH** seeks an experienced and passionate, career and customer-oriented **System Administrator ** to join our team located in the Fort Meade, MD area. ... developing and testing of information technology systems with a Bachelor's degree in computer science or a related discipline or an Associates degree and 5… more
    ManTech (12/30/25)
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  • Cyber Systems Administrator (Active TS/SCI)

    Northrop Grumman (Elkridge, MD)
    …those missions. By joining in our shared mission, we'll support expanding your personal network and developing skills, whether you are new to the field, or an ... 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 nature of… more
    Northrop Grumman (01/01/26)
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  • Systems Administrator 2 - 23828 (FS Poly…

    Huntington Ingalls Industries (Fort Meade, MD)
    …integrity of mission-critical systems. + Maintains smooth operation of multi-user computer systems, including coordination with network administrators. + Duties ... cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely… more
    Huntington Ingalls Industries (01/05/26)
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  • Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    ManTech seeks a **Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will provide support for implementation, ... of IT systems. + Manage IT system infrastructure and processes related to client/server/storage/ network devices and mobile devices. + Perform Tier 1 (Help Desk) and… more
    ManTech (12/24/25)
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  • System Administrator 2

    Synergy ECP (Columbia, MD)
    System Administrator 2 Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Synergy ECP, a platform company with Falfurrias Capital ... valued credentials, specialized certifications, and clearance levels to secure our clients' computer networks and information at a time when a premium is placed… more
    Synergy ECP (11/30/25)
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  • Mainframe Security Administrator

    Cayuse Holdings (Annapolis, MD)
    **Overview** **_JOB TITLE:_** Mainframe Security Administrator **_CAYUSE COMPANY:_** Cayuse Civil Services, LLC **_LOCATION_** Remote **_SALARY:_** $117,270.40- ... of releases, upgrades, or changes to z/OS operating system, network , and component software. + Provide end user support...extended periods of time. + Ability to use a computer and other office productivity tools with sufficient speed… more
    Cayuse Holdings (01/15/26)
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  • Senior Systems Administrator

    Leidos (Gaithersburg, MD)
    …of the Decision Advantage Solutions Business Area, is currently seeking a Senior Systems Administrator . As a senior member of our IT operations team, you will play a ... and modernization initiatives for Chinook program. + Collaborate with cybersecurity, network engineering, and software development teams to ensure system compliance… more
    Leidos (01/16/26)
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  • Cloud Systems Administrator

    CACI International (Laurel, MD)
    Cloud Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... _Required:_ + An active NSA TS/SCI with Polygraph. + Bachelor's degree in Computer Science or a related field, or equivalent experience. 4 years of additional… more
    CACI International (01/15/26)
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  • Microsoft Exchange Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Laurel, MD)
    Microsoft Exchange Administrator The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact in ... and on-premise computing environments + Ability to collaborate with security and network teams to ensure appropriate security and compliance controls are implemented… more
    BOOZ, ALLEN & HAMILTON, INC. (01/09/26)
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  • Systems Administrator

    Leonardo DRS, Inc. (Frederick, MD)
    …We specialize in the design, development and manufacture of advanced sensing, network computing, force protection, and electric power and propulsion, and other ... visit www.leonardodrs.com . **Job Summary** In this role you will perform network and system administration duties for Leonardo DRS's on-premesis systems and… more
    Leonardo DRS, Inc. (12/23/25)
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