• Systems Administrator

    Amentum (Warrenton, VA)
    …including Windows Server 2019, Citrix Virtual Desktop, VMware ESXi, and Active Directory . Proficient in managing and optimizing virtualized environments ... in using your skills to help shape the Cyber, Security , & Intel space? If so, look no further....so, look no further. Amentum is seeking a **System Administrator ** to join our team of passionate individuals in… more
    Amentum (06/27/25)
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  • Systems Administrator / Top Secret…

    Lockheed Martin (Arlington, VA)
    …areas: \* In\-depth systems administration experience with Windows \(including Active Directory \) \* Experience administering OpenStack \* Windows/Linux ... Advanced Technology Laboratories \(ATL\) is seeking an IT Systems Engineer/Systems Administrator with a demonstrated ability to independently develop solutions to… more
    Lockheed Martin (07/03/25)
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  • Unix/Linux Administrator Lead

    Trace Systems Inc (Portsmouth, VA)
    Job Overview Job Title: UNIX/LINUX Administrator Lead Job Location: Portsmouth, VA Job Responsibilities Supporting the Operating System configuration and associated ... processes, problem determination, problem resolution, software, administration tools, utilities, security , and hardware. Managing the daily activities of configuration… more
    Trace Systems Inc (05/16/25)
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  • Principal Systems Administrator

    ManTech (Arlington, VA)
    …training and support to VIP users on new software and hardware + Managing Active Directory and other infrastructure core services + Providing support for thin ... and knowledge ** Security Clearance Requirements:** + US Citizenship required and active TS/SCI clearance adjudicated within the last 6 years. + Candidate must be… more
    ManTech (05/24/25)
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  • System Administrator

    Guidehouse (Springfield, VA)
    …with DoD security clearance with a COUNTERINTELLIGENCE (CI) polygraph + Microsoft Active Directory , DNS, and DHCP + RSA Authentication Management + Printer ... Database Administration **Travel Required** **:** None **Clearance Required** **:** Active Top Secret SCI (TS/SCI) **What You Will Do**...SCI (TS/SCI) **What You Will Do** **:** The System Administrator will support a large IC Agency Security… more
    Guidehouse (05/02/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    …Windows Server 2012 R2, Windows Server 2016 + Designing and operating Microsoft Active Directory in a secure and distributed IT environment supporting clients ... with Polygraph Timeline Open Description Assertive Professionalsis seeking aSystem Administrator with Polygraph supporting ourNational Security Customer in… more
    Assertive Professionals (06/21/25)
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  • System Administrator (Lenel)

    Serco (Norfolk, VA)
    …environments with VMWare ESXi hypervisors, server blades, Windows Domain Controllers, Windows Active Directory , Windows Server 2016, SQL Servers, Crystal Servers ... **Position Description** Are you a **System Administrator ** looking for a place where you can...successful in this role, you will have:** + **An active Secret security clearance** + **An up… more
    Serco (04/25/25)
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  • System Administrator

    The Boeing Company (Herndon, VA)
    …and maintaining servers, workstations, and related infrastructure components. + Experience with ** Active Directory ** , Group Policy, **DNS** , **DHCP** , and ... Person required **Relocation** This position offers relocation based on candidate eligibility. ** Security Clearance** This position requires an active US Top… more
    The Boeing Company (07/03/25)
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  • Systems Administrator , Junior

    Leidos (Chantilly, VA)
    …+ Perform basic networking tasks (configuring user access, resetting passwords, managing Active Directory ). + Help with patch management, antivirus updates, and ... The Multi-domain Solutions Division (MDS) within the Leidos National Security Sector is seeking a skilled Systems Administrator...IT workflows. **What does Leidos need from me?** + Active Top Secret/SCI (TS/SCI) with Polygraph security … more
    Leidos (06/28/25)
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  • Senior Network Administrator

    General Dynamics Information Technology (Falls Church, VA)
    …Border Gateway Protocol (BGP),Cisco Routers and Switches,MPLS Networking,Network Security ,Network Services **Certifications:** CCNA - Cisco, Security +, ... of related experience **US Citizenship Required:** Yes **Job Description:** Network Administrator position supporting the Army National Guard (ARNG) in Falls Church,… more
    General Dynamics Information Technology (06/11/25)
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