• CCSS Principal Systems Engineer - WHCA…

    RTX Corporation (Springfield, VA)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI - Current At Raytheon, the foundation of everything we do is ... 8 years of prior engineering experience. + Active and transferable US government issued TS / SCI US government issued security clearance is required prior to start… more
    RTX Corporation (11/13/25)
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  • Signal Processing Engineer

    Leidos (Arlington, VA)
    …be US Citizen - Active Secret clearance and eligible to obtain a TS / SCI level clearance - Bachelors of Science in Electrical Engineering, Physics, Computer ... Leidos currently has an opening for a **Signal Processing Engineer ** to support EW programs in Arlington, VA or...and learn in new areas **Preferred Qualifications:** - Active TS / SCI clearance preferred - Master's Degree in… more
    Leidos (10/17/25)
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  • Senior Software Engineer

    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** ... software, subject matter to be programmed in business/mission applications, information processing techniques used, and information gathered...be obtained within 6 months of hire date\. \- TS / SCI with poly clearance is required\. **Desired… more
    Lockheed Martin (10/11/25)
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  • High Performance Computing Engineer

    General Dynamics Information Technology (Chantilly, VA)
    …ID:** PRX25933 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... + years of related experience **US Citizenship Required:** Yes **Job Description:** HPC Engineer Who You Are You are a talented, multidiscipline engineer versed… more
    General Dynamics Information Technology (12/29/25)
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  • Associate AI/ML Engineer , Professional…

    Google (Reston, VA)
    …programming languages (eg, Python). + Active, or the ability to obtain, a Top Secret / SCI security clearance. **Preferred qualifications:** + Experience with ... Associate AI/ML Engineer , Professional Services, Public Sector _corporate_fare_ Google _place_ Reston, VA, USA **Early** Experience completing work as directed, and… more
    Google (12/24/25)
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  • Cybersecurity Engineer III

    Imagine One Technology & Management (Virginia Beach, VA)
    …Requirements:** + US Citizenship required + Candidates must have an active Top Secret level clearance to include eligibility for SCI clearance + All persons ... Imagine One has an urgent need for **Cybersecurity Engineer III** candidates for a position supporting the US Navy. Apply now and start meeting new challenges and… more
    Imagine One Technology & Management (12/01/25)
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  • Sr. Software Engineer

    Leidos (Arlington, VA)
    …of experience are accepted in lieu of a degree. + Must possess a Top Secret DoD security clearance with SCI eligibility prior to start date. + Ability to ... **Description** Leidos is presently seeking a **Sr.** **Software Engineer ** in support of the Defense Information...guidelines (eg STIGs). + Experience developing software on a Linux platform (RHEL 9), including experience working in a… more
    Leidos (11/09/25)
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  • Modeling and Simulation Engineer

    Sciolex Corporation (Chantilly, VA)
    …in acquiring modern processing applications. Qualifications & Physical Requirements + Active Top Secret / SCI Clearance with Polygraph. + Bachelor's degree ... the utmost employee care. Responsibilities As the Modeling and Simulation Engineer , you will provide specialized engineering expertise supporting the acquisition of… more
    Sciolex Corporation (10/09/25)
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  • Platform/Infrastructure Engineer

    Nightwing (Sterling, VA)
    …the intelligence community, defense, civil, and commercial markets. Job Title: Platform/Infrastructure Engineer Location: Sterling, VA Clearance: TS / SCI Poly ... **This position is CONTINGENT upon contract award** The Platform/Infrastructure Engineer (PIE) designs, builds, and maintains the platforms that Mission Partner… more
    Nightwing (12/26/25)
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  • Systems Engineer (Aoco)

    Noblis (Chantilly, VA)
    …team to integrate tactical and national capabilities. Required Qualifications + Active Top Secret / SCI clearance with Counterintelligence (CI) Polygraph. + ... is seeking an experienced All-Domain Overhead Cooperative Operations (AOCO) Systems Engineer to support our government client on-site in Chantilly, VA.… more
    Noblis (12/17/25)
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