• Cloud Systems Engineer (Space…

    L3Harris (Chantilly, VA)
    …and its application in software systems Preferred Additional Skills: + Active TS / SCI security clearance is preferred + Experience with other MBSE tools and ... interest of national security. Job Title: Specialist, Space Software Systems Engineer (Space Systems ) Job...of prior related experience + Ability to obtain a TS / SCI security clearance + 2+ years experience… more
    L3Harris (09/27/25)
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  • Lead, Chief Systems Engineer…

    L3Harris (Dulles, VA)
    …utilizing virtulization tools/technologies + Requires the ability to obtain a DoD TS / SCI clearance Preferred Additional Skills: + Active Secret or TS / ... the interest of national security. Job Title: Lead, Chief Systems Engineer for Network Communcation Systems...through a DoD dedicated gateway which accesses the Defense Information Systems Network (DISN). It is capable… more
    L3Harris (08/31/25)
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  • Systems Engineer

    Arena Technical Resources, LLC (Springfield, VA)
    Systems Engineer Location: Springfield, VA, US Job ID: ATR 17030 Job Description Overall Assignment Description: Expert-level Systems Engineers assist in ... Engineering, Physics, Mathematics, Operations Research, Engineering Management, Computer Science, Information Technology, Management Information Systems , or… more
    Arena Technical Resources, LLC (07/18/25)
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  • Systems Engineer - Entry Level…

    Lockheed Martin (Herndon, VA)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know** ... Lockheed Martin Space is seeking a full\-time Entry Level Systems Engineer for our Herndon, VA Site\....IT Infrastructure and network solutions * Must have a TS / SCI w/Poly prior to starting with Lockheed… more
    Lockheed Martin (09/13/25)
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  • Sr. RF Systems Engineer

    KBR (Chantilly, VA)
    Title: Sr. RF Systems Engineer Job Posting Description KBR is seeking a highly qualified Sr Radio Frequency (RF) Systems Engineer to join our team. The ... of impacting mission threats + Experience support wargames and exercises Security Requirements: TS / SCI with Poly required to be considered for this position… more
    KBR (09/23/25)
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  • C-UAS Sr Operations Systems Engineer

    Agile IT Synergy (Stafford, VA)
    …Stafford, VA (Hybrid Remote) Job Description and Responsibilities: The Counter-Unmanned Aircraft Systems (C-UAS) Senior Operations Systems Engineer will ... relevance to support C-UAS activities. The C-UAS Sr Operations Systems Engineer performing on this contract will...proper training manuals and strategic guidance Preferred Experience: + TS / SCI Clearance + Experience with managing C-UAS… more
    Agile IT Synergy (09/17/25)
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  • Senior SIGINT Systems Engineer

    KBR (Chantilly, VA)
    Title: Senior SIGINT Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... of space defense. KBR is seeking a Senior SIGINT Systems Engineer to be part of our...development of related briefing materials Minimum qualifications: + Active TS / SCI with Polygraph + Bachelor's degree in… more
    KBR (09/16/25)
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  • Sr Principal Cyber Systems Engineer…

    Northrop Grumman (Fairfax, VA)
    …Cyber Systems Engineer Basic Qualifications:** + Must have an active ** TS / SCI with Polygraph** to be considered + 8 Years with Bachelors Degree; 6 ... engineers, system administrators, and operators as a Sr. Principal Cyber Systems Engineer professional in Chantilly, VA. The successful candidate will be… more
    Northrop Grumman (09/10/25)
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  • Ground Systems Engineer

    Stratos Solutions (Chantilly, VA)
    …Ground Systems Engineer Location: Chantilly, VA Minimum Clearance Requirements: TS / SCI with Poly Position Summary: Stratos Solutions is seeking a highly ... skilled Ground Systems Engineer to support the development and management of complex satellite ground software for a government program. The successful candidate… more
    Stratos Solutions (09/04/25)
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  • Enterprise Resilience Systems…

    KBR (Chantilly, VA)
    Title: Enterprise Resilience Systems Engineer - Modeling and Simulation KBR seeks a highly motivated Systems Engineer to support an Intelligence ... in an Agile development environment + Familiarity with IC and/or DoD Security Requirements: TS / SCI with Poly Belong, Connect and Grow at KBRAt KBR, we are… more
    KBR (09/02/25)
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