• Senior Systems Engineer , Level 3…

    Lockheed Martin (King Of Prussia, PA)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... Experience defining tests required to satisfy feature acceptance criteria * Current Top Secret Security Clearance **Desired Skills:** * Experience with… more
    Lockheed Martin (11/23/25)
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  • Senior Software Engineer ( Top

    KBR (Colorado Springs, CO)
    Title: Senior Software Engineer ( Top Secret Security Clearance Required) Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides ... + Security Clearance: Must have an active US government Top Secret security clearance with the ability...Secret security clearance with the ability to obtain SCI SI/TK, which is something only a US citizen… more
    KBR (11/07/25)
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  • Principal / Sr Principal Vehicle Systems…

    Northrop Grumman (Dulles, VA)
    …of engineers and managers to achieve the goals of the program team. Current TS / SCI is required, and program access is strongly preferred. **This position ... Northrop Grumman Space Systems Sector seeks a qualified Vehicle Engineer to support a critical space mission. Vehicle ...**Must have US Citizenship with current or active DoD TS / SCI Clearance at time of application** **Preferred… more
    Northrop Grumman (10/31/25)
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  • Staff Engineer Systems - X-Lab Chief…

    Northrop Grumman (Colorado Springs, CO)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 25% of the Time **Description** At Northrop Grumman, our ... Defense Systems presents an excellent opportunity for a Staff Engineer Systems - X-Lab Chief Scientist to join our...+ Applicants must possess a current, active in-scope DoD-issued ** Top ** ** Secret ** security clearance at the time… more
    Northrop Grumman (10/07/25)
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  • Systems Engineer Sr - Top

    Lockheed Martin (King Of Prussia, PA)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... Security Clearance is required for consideration with willingness to obtain TS / SCI \. **Desired Skills:** * Experience with model\-based systems engineering… more
    Lockheed Martin (11/01/25)
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  • Senior Electrical Engineer ( TS

    Fluor (Las Cruces, NM)
    …Community. **Job Description** Must have an active (or ability to obtain and maintain) TS / SCI with CI Polygraph Will work under general supervision to initiate, ... ensure quality through testing and validation activities. The Electrical Engineer shall perform, but not limited to: * Support...Must have an active (or ability to obtain and maintain) TS / SCI with CI Polygraph * US citizen… more
    Fluor (12/18/25)
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  • Systems Engineer - Platform - active…

    V2X (Springfield, VA)
    …challenges with integrity, respect, responsibility, and professionalism. We are hiring for a Systems Engineer - Platform - active TS / SCI clearance for our ... our government customer based in Springfield, VA. The Systems Engineer - Platform provides a combination of software and...Clearance Requirements: This position will require an active DoD TS / SCI clearance and the ability to obtain… more
    V2X (12/12/25)
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  • System Engineer TS / SCI

    CGI Technologies and Solutions, Inc. (Chantilly, VA)
    **System Engineer TS / SCI with Poly REQUIRED** **Category:** Business Consulting, Strategy and Digital Transformation **Main location:** United States, ... excellence. We are looking for a talented IT Systems Engineer to join our team and play a crucial...is supporting technical programs executing the full engineering lifecycle TS / SCI with Poly required CGI is required… more
    CGI Technologies and Solutions, Inc. (11/11/25)
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  • Hardware Exploitation Engineer ( TS

    Vexterra Group (Bethesda, MD)
    Vexterra Group is currently searching for a TS / SCI cleared Hardware Exploitation Engineer to provide the following engineering support: + Conduc t technical ... work on the contract. Security Requirements: + Must possess an active TS / SCI clearance w/ a Counterintelligence (CI) Polygraph. Highly Desired Experience:… more
    Vexterra Group (10/14/25)
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  • Systems Engineer - TS / SCI

    General Dynamics Information Technology (Vienna, VA)
    …ID:** RQ207518 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... Description:** Seize your opportunity to make a personal impact as a Systems Engineer supporting an information technology enterprise. At GDIT, people are our… more
    General Dynamics Information Technology (10/14/25)
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