• Senior System Administrator

    CACI International (Annapolis Junction, MD)
    …operational oversight across a range of IT platforms including UNIX, Linux, and Windows systems . The ideal candidate brings extensive hands-on experience, deep ... join our team and help maintain, troubleshoot, and optimize a wide variety of IT systems . We are seeking an accomplished System Administrator - Level 4 to lead… more
    CACI International (10/30/25)
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  • System Administrator (Mfahd)

    CACI International (Fort Meade, MD)
    …degree, for a total of 7 years' experience _Desired:_ + Expertise with Windows Operating Systems + Understanding of computer security principles + Ability ... System Administrator (MFAHD) Job Category: Information Technology Time Type:...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (11/14/25)
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  • Cloud System Administrator

    ManTech (Hanover, MD)
    …on-premise contexts **Minimum Qualifications:** + Ten (10) years of experience as a Systems Administrator or Cloud Engineer supporting programs and contracts of ... for Windows Server 2022 environments, including Active Directory, and manage Windows 10/11 client systems . + Architect, deploy, and maintain robust cloud… more
    ManTech (09/10/25)
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  • System Administrator

    TekSynap (Arlington, VA)
    …**WORK AUTHORIZATION/SECURITY CLEARANCE** USCitizenship **Clearance requir** **eme** **nt** :Active ** Secret clearance** ( Top Secret /SAP preferred). **OTHER ... Active Secret clearance. **COMPETENCIES** + System provisioning & administration (Linux/ Windows ) + CNCF ecosystem tools & cloud-native environments + Patch &… more
    TekSynap (10/02/25)
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  • System Administrator 2

    M. C. Dean (Annapolis Junction, MD)
    …seeking a **System Administrator 2** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will ... to meet service level agreements. + Support configuration and management of Windows operating systems and install/load operating system software. + Perform… more
    M. C. Dean (11/05/25)
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  • System Administrator 1

    M. C. Dean (Annapolis Junction, MD)
    …seeking a **System Administrator 1** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will ... monitoring and reviewing system logs. + Support configuration and management of Windows operating systems and install/load operating system software. + Support… more
    M. C. Dean (11/05/25)
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  • Network Administrator 3

    M. C. Dean (Fort Meade, MD)
    …and cybersecurity industries. **Position Summary:** MC Dean is seeking a highly competent TS /SCI with Polygraph cleared **Network Administrator 3** to assist on ... digital/analog communications technologies. + Working knowledge of the following systems : UNIX/LINUX, CISCO IOS, Windows Server, and...with 5+ years of experience + Must have a TS /SCI with Polygraph **Desired Certifications:** + CCNA, CCNP or… more
    M. C. Dean (09/23/25)
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  • System Administrator

    Nightwing (Sterling, VA)
    …the intelligence 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 Platform Team delivers...customers in a timely manner. Required Skills: + Operating Systems : Extensive knowledge of Windows and Linux… more
    Nightwing (09/26/25)
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  • Linux System Administrator

    Nightwing (Arlington, VA)
    …seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and deployment of ... - Perform large scale configuration management and deployment across Windows , MacOS, Linux/Unix, and other operating systems ...- US Citizenship - Must have an active DoD Secret clearance, TS /SCI clearance is preferred. -… more
    Nightwing (08/28/25)
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  • Software Administrator III

    DCCA (Annapolis Junction, MD)
    …a competitive compensation and benefits package. Visit our website at: www.dcca.com Software Administrator III Candidate must have an active TS /SCI w/Poly For ... Software Administrator III Location Annapolis Junction, MD Job Code...in the resolution process. Configures and manages UN1X and Windows operating systems and installs/loads operating system… more
    DCCA (11/17/25)
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