• Linux Engineer - TS/SCI with Polygraph

    General Dynamics Information Technology (Chantilly, VA)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** IT ... or work/military experience. + Required Experience: 1+ years of related systems administration experience + Candidate must possess an appropriate and current… more
    General Dynamics Information Technology (09/16/25)
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  • Software Engineer II

    Sierra Nevada Company, LLC (Herndon, VA)
    …These cover a very wide range from advanced mission payloads and electronic systems through highly integrated aircraft to orbital and space exploration systems . ... You'll perform coding, debugging, testing, and troubleshooting of systems and software throughout our development process. Your technical duties involve the design… more
    Sierra Nevada Company, LLC (08/08/25)
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  • TS/SCI Network Software Development…

    Parsons Corporation (Centreville, VA)
    …Network Software Development Engineers with experience in either C/C++ and Linux systems to join our team of exceptional individuals. Qualified engineers will be ... programming techniques** **Knowledge of Linux, VxWorks, or other embedded systems internals** **Experience analyzing performance issues and implementing efficiency… more
    Parsons Corporation (08/23/25)
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  • ISSE with DoD Top Secret Clearance

    Watershed Security (Norfolk, VA)
    JOB DESCRIPTION Watershed Security is seeking a highly skilled and motivated Information Systems Security Engineer to join our team supporting the Naval ... be key in ensuring support, assessment, and authorization (A&A), and cyber operations support including support for life-cycle management policy, guidance,… more
    Watershed Security (08/01/25)
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  • Senior Information Systems Security Officer

    The MITRE Corporation (Mclean, VA)
    …the Global Security Services Division (R300) is looking to fill a Senior Information Systems Cyber Engineer position, with a focus on classified ... by providing Information Assurance and Cybersecurity services specifically for classified systems . The ideal candidate will thrive in a fast-paced, collaborative… more
    The MITRE Corporation (09/17/25)
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  • Critical Facility Technician 4 - Top Secret…

    M. C. Dean (Manassas, VA)
    …Dean** is Building Intelligence(R). We design, build, operate, and maintain cyber -physical solutions for the nation's most recognizable mission critical facilities, ... life safety, automation and controls, audio visual, and IT systems . MC Dean is headquartered in Tysons, Virginia, and...Tysons, Virginia, and employs more than 5,800 professionals who engineer and deploy automated, secure, and resilient power and… more
    M. C. Dean (08/30/25)
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  • Critical Facility Technician 3 (HVAC SME)…

    M. C. Dean (Manassas, VA)
    …Dean** is Building Intelligence(R). We design, build, operate, and maintain cyber -physical solutions for the nation's most recognizable mission critical facilities, ... life safety, automation and controls, audio visual, and IT systems . MC Dean is headquartered in Tysons, Virginia, and...Tysons, Virginia, and employs more than 5,800 professionals who engineer and deploy automated, secure, and resilient power and… more
    M. C. Dean (08/30/25)
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  • Systems Administrator/Integrator

    General Dynamics Information Technology (Springfield, VA)
    …Desktop, and supporting geospatial toolkits. + Experience integrating with Army tactical systems and understanding of Geospatial Engineer (12Y) workflows across ... of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret/SCI **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and… more
    General Dynamics Information Technology (09/17/25)
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  • Specialist, Systems Engineering (Space…

    L3Harris (Springfield, VA)
    … cyber domains in the interest of national security. Job Title: Specialist, Systems Engineer - Space Operations Trainer (Active TS/SCI w/ CI Poly Required) ... Springfield, VA Job Description: L3Harris Technologies is currently seeking a Specialist, Systems Engineer - Space Operations Trainer to join a forward-leaning… more
    L3Harris (09/11/25)
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  • Senior Specialist Systems Engineering…

    L3Harris (Springfield, VA)
    …an experienced Information Technology Senior Systems Administrator or Mid-to-Senior Level Systems Engineer to join our highly skilled and diverse team. This ... technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job...a Senior Systems Administrator or Mid-Senior Level Systems Engineer , you will work with a… more
    L3Harris (09/04/25)
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