• Senior Systems Administrator

    ManTech (Chantilly, VA)
    ManTech seeks a motivated, mission-oriented Senior Systems Administrator to join our team in Chantilly, VA. As the Senior Systems Administrator , you will ... optimization, and troubleshooting of our VMware virtualized environment and Active Directory infrastructure, ensuring seamless and reliable operations… more
    ManTech (04/25/25)
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  • Senior Systems Administrator

    Amentum (Mclean, VA)
    Job Description Amentum is looking for a **Senior System Administrator ** to join our team in **McLean, VA** ! As the **Senior System Administrator ** , ... you will Monitor and maintain corporate communication systems related to email and messaging. Troubleshoot hardware, software,...the operation of Microsoft Exchange Servers in a Windows Active Directory environment. Oversees the status of… more
    Amentum (04/11/25)
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  • Physical Security System…

    M. C. Dean (Chantilly, VA)
    …federal, local and commercial customers across high-growth markets. As a System Administrator for our Physical Security Systems , you will be responsible for ... 2 + years of experience programming/administrating Physical Access Control Systems . + Requires system administrator ...with ATO processes + Requires advanced knowledge of Windows active directory hierarchy and implementation. + Strong… more
    M. C. Dean (05/01/25)
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  • Systems Administrator - TS/SCI…

    General Dynamics Information Technology (Springfield, VA)
    …Springfield, Virginia. HOW A ** SYSTEMS ADMINISTRATORS** WILL MAKE AN IMPACT As the Systems Administrator on this contract, you will be on an engineering team ... environment. + Create, manage, and maintain accounts and group membership in Active Directory , LDAP, TACACS, KVM + Experience managing Windows-based virtual… more
    General Dynamics Information Technology (02/07/25)
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  • Systems Administrator Senior-Azure…

    General Dynamics Information Technology (Fairfax, VA)
    …Able to Obtain:** None **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** Active Directory (AD),Cloud ... related experience **Job Description:** **GDIT** is looking for a ** System Administrator -Azure (DevOps Engineer)** to join our...to modernize 12 US Government spectrum and frequency management systems . **HOW A SYSTEMS ADMINISTRATOR … more
    General Dynamics Information Technology (04/24/25)
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  • Systems Administrator /ISSO

    Huntington Ingalls Industries (Reston, VA)
    …application of networked systems will be necessary. The Systems Administrator will need to keep system accreditation, continuous monitoring, and software ... a short video: https://vimeo.com/732533072 Summary HII, Mission Technologies is seeking a motivated Systems Administrator (SA) with a desire to be an ISSO with… more
    Huntington Ingalls Industries (02/19/25)
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  • Senior Systems Administrator…

    General Dynamics Information Technology (Arlington, VA)
    …optimal conditions. Installs system -wide software. GDIT is looking for a Windows Systems Administrator that holds an active TS/SCI eligible clearance for ... + years of related experience **US Citizenship Required:** Yes **Job Description:** Systems Administrator Maintains an organization's computer systems '… more
    General Dynamics Information Technology (02/05/25)
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  • M3 Systems Administrator…

    General Dynamics Information Technology (Charlottesville, VA)
    …Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** Active Directory (AD),Disaster Recovery ... of related experience **US Citizenship Required:** Yes **Job Description:** **M3 Systems Administrator (RHEL/Linux)** **- TS/SCI Required** Transform technology… more
    General Dynamics Information Technology (04/10/25)
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  • Systems Administrator - GNOC

    ManTech (Quantico, VA)
    ManTech seeks a GNOC Systems Administrator to help support our current Marine Corps Systems Command, Program Manager Intelligence & Cyber Operations Contract ... and tier II troubleshooting for servers, workstations, and applications within the active directory environment providing first call resolution to incident… more
    ManTech (04/28/25)
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  • Senior Systems Administrator

    Leidos (Chantilly, VA)
    …Division (MDS) within the Leidos National Security Sector is seeking a skilled Senior Systems Administrator to join a new cyber security program and play a ... and disaster recovery solutions. + Strong knowledge of identity and access management ( Active Directory , LDAP) and group policy management. + Proficiency in… more
    Leidos (03/31/25)
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