• Information Systems Security Engineer…

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …Security Architecture Design: Developing and implementing security architectures for information systems , including hardware , software, and network components. * ... Experience with the Risk Management Framework and its application to information systems . * Security Architecture: Understanding of secure system design… more
    CGI Technologies and Solutions, Inc. (09/26/25)
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  • Mission Systems Architect

    ManTech (Quantico, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Mission Systems Architect** to join our team in **Stafford, VA** . In this role, you will play a key ... not limited to:** + Define and translate mission objectives into system architectures, requirements, and design specifications in alignment with DoDAF/UAF standards.… more
    ManTech (08/30/25)
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  • Staff Mission Architect Engineer- TS/SCI Required…

    Northrop Grumman (Dulles, VA)
    …for a US Government Agency or Contractor + Previous experience with flight hardware on operational systems + Experience in scripting languages and modeling ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...a large amount of technical data (ground and space hardware ) and communicate technical concepts to an audience of… more
    Northrop Grumman (08/22/25)
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  • Systems Administrator (TS/SCI)

    Koniag Government Services (Arlington, VA)
    **Koniag Data Solutions, LLC,** a Koniag Government Services company, is seeking a Systems Administrator with an active Top-Secret clearance to support KDS and our ... scalability, and reliability. + You'll install, configure, and maintain operating systems , software applications, and security patches across the network. + You'll… more
    Koniag Government Services (08/27/25)
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  • Windows System Administrator

    GCyber (Arlington, VA)
    … System Administrator will provide operational maintenance, support, and upgrades to hardware , software, and operating systems in a Microsoft Windows Server ... GCyber is seeking a Windows System Administrator, to support a high profile DISA...will + Monitor health, performance, capacity, and availability of systems . + Ensure systems remain patched and… more
    GCyber (09/27/25)
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  • Help Desk System Specialist 1

    M. C. Dean (Vienna, VA)
    …a **Help Desk System Specialist** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will be ... who engineer and deploy automated, secure and resilient power and technology systems ; and deliver the management platforms essential for long-term system … more
    M. C. Dean (08/27/25)
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  • Systems Administrator (Tier 2 Desktop…

    William C Brown Inc (Springfield, VA)
    …Provide support for implementation, maintenance, and incident troubleshooting of IT systems Manage hardware in all stages including unpacking and ... Systems Administrator (Tier 2 Desktop Support) EOE Statement...systems Provide user education and training in basic hardware and software functions Create and maintain documentation and… more
    William C Brown Inc (08/14/25)
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  • Information System Security Officer

    Parsons Corporation (Centreville, VA)
    …security/regulatory and corporate policies/compliance requirements + Implementing and maintaining systems governed under Risk Management Framework (RMF) and NIST ... Assured compliance Assessment Solution scans and documenting + Conduct system categorization, selection, implementation, assessment, authorization, and continuous monitoring… more
    Parsons Corporation (09/04/25)
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  • Principal/Sr Principal Engineer Embedded Software…

    Northrop Grumman (Dulles, VA)
    …and system level + Demonstrated software engineering, controls, or systems engineering leadership experience, preferably with experience in Space Flight Software ... and unit testing in C/C++, verification and validation at subsystem and system level or Demonstrated vehicle development, mission systems integration, ground… more
    Northrop Grumman (09/20/25)
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  • Senior Systems Engineer

    Leidos (Chantilly, VA)
    …_Redundancy & Project Support_ + Serve as the operational backup for the senior systems engineer. + Participate in infrastructure and system upgrade projects. + ... That Powers Innovation!** Leidos is on the lookout for a sharp, forward-thinking ** Systems Engineer** to strengthen our elite technical team in **Chantilly, VA** .… more
    Leidos (08/15/25)
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