• Senior Systems Administrator

    Cambridge International Systems Inc (Mclean, VA)
    …threatening and complex obstacles! Cambridge International Systems, Inc. has a full-time Senior Systems Administrator opportunity available based in McLean, VA. ... Qualified candidates for this job must possess a current DoD TS /SCI full scope w/poly security clearance. ROLE RESPONSIBILTIES + Maintains smooth operation of… more
    Cambridge International Systems Inc (06/10/25)
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  • Enterprise Senior Systems…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret **Public Trust/Other Required:** None **Job Family:** Systems ... Yes **Job Description:** GDIT seeks a highly motivated and experienced Enterprise Senior Systems Engineer to support the Defense Threat Reduction Agency (DTRA)… more
    General Dynamics Information Technology (05/31/25)
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  • Sr . DevOps Engineer

    Leidos (Reston, VA)
    **Description** **Leidos** has a new and exciting opportunity for a ** Sr . DevOps Engineer** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (07/24/25)
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  • System Administrator - Senior Level

    Nightwing (Sterling, VA)
    …defense, civil, and commercial markets. Nightwing is seeking a highly motivated Systems Administrator to join a mature program in the Sterling VA location. The ... qualified Systems Administrator will support a very dynamic program in a...supporting mission critical networks and computer systems. CLEARANCE REQUIREMENT: TS /SCI with POLY Responsibilities + Assist with the design,… more
    Nightwing (06/27/25)
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  • Senior Web Administrator

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Senior Web Administrator ** to join our team in **DC, Maryland, and Virginia (DMV) area** . ... ie Python, Java, C++, Cobol, etc + Understanding and experience with primary network topologies, LANs, WANs and other common network standards; understanding of… more
    ManTech (05/17/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small Business ... for itself within the Defense Contracting community taking 15th place in America's Top 100 Small Business Visionaries for the 2018 Best of Small Business Awards,… more
    Assertive Professionals (07/10/25)
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  • Information System Security Engineer…

    Amentum (Warrenton, VA)
    …is to support, operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN- TS ES) which is a DoD-provided, ... TS /SCI, integrated voice, video, and data, global communications network that facilitates collaboration among senior leaders...a dynamic environment. **Clearance Required:** + Must have active Top - Secret clearance with SCI or TS… more
    Amentum (07/17/25)
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  • Systems Administrator 2 (Bluemont, VA)

    William C Brown Inc (Springfield, VA)
    …other characteristic protected by law. Description WCBinc is looking for a Sr . Systems Administrator to provide support for implementation, troubleshooting and ... Systems Administrator 2 (Bluemont, VA) EOE Statement We are...and LUNs. Working knowledge of basic TCP/IP networking concepts ( network interfaces, switches, routing, VLANS, etc) Good analytical and… more
    William C Brown Inc (07/24/25)
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  • Information Systems Watch Technician (Contingent…

    Amentum (Arlington, VA)
    …6 months. + Significant experience in a customer-facing position. + Experience as a Network and /or Systems Administrator + Operational work experience in a ... that the telecommunications systems are fully functional and available for the senior leader's decision support teams. This is a contingent position which requires… more
    Amentum (06/29/25)
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  • IT Networking and HW Administrator

    Leidos (Lorton, VA)
    …Sector (NSS) has a new and exciting opportunity for an IT Networking and HW Administrator in our Cyber & Analytics Business Area (CABA). Our talented team is at the ... forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (06/08/25)
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