• Senior Network Operations Administrator

    Leidos (Lorton, VA)
    …protocols + Experience with Active Directory , LDAP, or similar directory services + Familiarity with network security protocols and best practices + ... + Experience in managing accounts across various platforms (eg, Windows , Linux, macOS) + Advanced knowledge of security... Windows , Linux, macOS) + Advanced knowledge of security tools and techniques for account protection (eg, encryption,… more
    Leidos (06/17/25)
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  • IT Site Design Specialist

    Amentum (Warrenton, VA)
    …to acquire SCI + 5 years of relevant experience + Firm understanding of Active Directory , Microsoft Endpoint Configuration Manager (MECM), DHCP, and DNS + Firm ... in using your skills to help shape the Cyber, Security , & Intel space? If so, look no further....peripherals + Deliver end-user support and administrative services for Windows 10/11 systems. This includes deploying and imaging operating… more
    Amentum (05/31/25)
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  • Systems Administrator

    ManTech (Norfolk, VA)
    …a secure IT environment. + Strong understanding of Group Policy Management and Active Directory in Windows environments. + Experience writing standard ... + 1+ years of experience in system administration, with proficiency in both Linux and Windows environments + Must have CompTIA Security + CE and either a VMware, … more
    ManTech (06/25/25)
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  • Systems Administrator

    ManTech (Norfolk, VA)
    …a secure IT environment + Strong understanding of Group Policy Management and Active Directory in Windows environments + Writing standard operating ... in System Administration, with proficiency in both Linux and Windows environments + Must have CompTIA Security +...or related field **Clearance Requirements:** + US Citizenship and active Secret security clearance with the ability… more
    ManTech (06/18/25)
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  • Systems Administrator

    ManTech (Norfolk, VA)
    …a secure IT environment + Strong understanding of Group Policy Management and Active Directory in Windows environments + Writing standard operating ... in system administration, with proficiency in both Linux and Windows environments + Must have CompTIA Security +...or related field **Clearance Requirements:** + US Citizenship and active Secret security clearance with the ability… more
    ManTech (05/17/25)
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  • Architect

    Leidos (Springfield, VA)
    … environments, including server administration and system deployment. + Experience administering Active Directory (AD) to manage user accounts, permissions, and ... **Preferred Qualifications** + Professional certifications such as Microsoft Certified: Windows Server Hybrid Administrator Associate, CompTIA Security +, VMware… more
    Leidos (06/21/25)
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  • System Administrator 1

    M. C. Dean (Arlington, VA)
    Windows patching and vulnerability remediation. + Requires a basic knowledge of Windows active directory hierarchy and implementation. **What we offer:** ... the better. We are seeking a **System Administrator 1** to join our ** Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business… more
    M. C. Dean (05/14/25)
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  • System Administrator 3

    M. C. Dean (Vienna, VA)
    Windows patching and vulnerability remediation. + Demonstrated advanced knowledge of Windows active directory hierarchy and implementation. + Basic ... the better. We are seeking a **System Administrator 3** to join our ** Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business… more
    M. C. Dean (06/09/25)
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  • System Support-US Citizens Only - TS/SCI FS Poly…

    The Metamorphosis Group (Chantilly, VA)
    …with Windows systems engineering and administration, including MSSQL databases, Active Directory Certificate Services (ADCS), VM clusters, Hyper-V, Data ... shall provide the Sponsor a modern and stable platform which meets security requirements and enables users to search, discover, prioritize, analyze, collaborate and… more
    The Metamorphosis Group (05/10/25)
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  • Senior Technician (Systems Administrator)

    DEFTEC (Norfolk, VA)
    …on a large computer network; + Windows & Linux Operating Systems; + Active Directory & Group Policy Management; + Virtualization of servers and desktops; + ... up to 25 lbs; + Performs other duties as required. Required Qualifications + Active NATO SECRET security clearance + Higher vocational training in a relevant… more
    DEFTEC (06/19/25)
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