• Sr. Specialist, Systems

    L3Harris (Carlsbad, CA)
    …and cyber domains in the interest of national security. Job Title: Sr. Specialist, Systems Administrator Job Code: 29595 Job Location: Palm Bay, FL; or Carlsbad, ... be responsible for maintaining the integrity and security of both Windows and Linux system infrastructures. This role involves a blend of network management,… more
    L3Harris (10/05/25)
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  • System Administrator

    CACI International (College Park, MD)
    System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: ... * * * **The Opportunity:** CACI is seeking a System Administrator to join our team. **Responsibilities:**... to join our team. **Responsibilities:** As a Mid-Level Linux Infrastructure Engineer with Networking Experience, you will play… more
    CACI International (11/08/25)
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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 ... ensuring systems adhere to security and compliance standards. + ** System Updates:** Perform software updates, patching, and system hardening through… more
    CACI International (11/14/25)
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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) Job Type Full-time Description System Administrator Level 2 ... enhancements to improve reliability and performance. Requirements The Level 2 System Administrator shall possess the following capabilities: + Provide support… more
    Synergy ECP (10/22/25)
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  • Cloud System Administrator

    ManTech (Hanover, MD)
    ManTech seeks a motivated, career- and customer-oriented **Cloud System Administrator ** to join our team in **Hanover, MD** . Our team delivers enterprise ... Qualifications:** + Ten (10) years of experience as a Systems Administrator or Cloud Engineer supporting programs...Active Directory and networking + Proven experience as a System Administrator or Cloud Engineer with practical… more
    ManTech (09/10/25)
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  • Cloud System Administrator

    DCCA (Annapolis Junction, MD)
    …compensation and benefits package. Visit our website at: www.dcca.com Cloud System Administrator Candidate must have an active TS /SCI w/ Poly For over 40 ... Cloud System Administrator Location Annapolis Junction, MD...understanding and working knowledge of core components of the Linux operation system including managing user and… more
    DCCA (11/17/25)
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  • SIGINT Systems Administrator

    CACI International (Beale AFB, CA)
    SIGINT Systems Administrator (Mid-Band Journeyman) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI ... * * **The Opportunity:** CACI is seeking a SIGINT Systems Administrator (Mid-Band) to join the CACI...experience + ≥1 yrs of DCGS experience _Desired:_ + Linux /UNIX Experience + AF DCGS experience + Systems more
    CACI International (11/12/25)
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  • Sr. System Administrator

    Arena Technical Resources, LLC (Reston, VA)
    Sr. System Administrator Location: Reston, VA, US Job ID: ATR 17710 Job Description Job Title: Sr. System Administrator Location: Reston, VA - Onsite, ... SCIF Environment Eligibility: TS /SCI with CI Polygraph Job Description: The job duties of the Sr. System Administrator are as follows: * Plans, designs, and… more
    Arena Technical Resources, LLC (11/09/25)
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  • System Administrator

    Nightwing (Sterling, VA)
    …community, defense, civil, and commercial markets. Job Title: System Administrator Location: Sterling, VA Clearance: TS /SCI Poly **This position is ... CONTINGENT upon contract award** The System Administrator (SysA) as part of the...customers in a timely manner. Required Skills: + Operating Systems : Extensive knowledge of Windows and Linux more
    Nightwing (09/26/25)
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  • System Administrator

    TekSynap (Arlington, VA)
    …II (Security+ CE minimum). + Active Secret clearance. **COMPETENCIES** + System provisioning & administration ( Linux /Windows) + CNCF ecosystem tools & ... **WORK AUTHORIZATION/SECURITY CLEARANCE** USCitizenship **Clearance requir** **eme** **nt** :Active ** Secret clearance** ( Top Secret /SAP preferred). **OTHER… more
    TekSynap (10/02/25)
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