• Senior Principal Software Engineer (Onsite)

    RTX Corporation (Largo, FL)
    …Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** Secret - Current...Engineering Department has an opportunity for a talented **Senior Principal Software Engineer** to join our team. **What You… more
    RTX Corporation (10/05/25)
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  • Principal Systems Engineer (Onsite)

    RTX Corporation (Cedar Rapids, IA)
    …Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** Secret - Current...just build systems; we build the future. As a ** Principal Systems Engineer** , you'll support programs involved in… more
    RTX Corporation (09/13/25)
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  • Principal Systems Engineer

    RTX Corporation (Tewksbury, MA)
    …Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** Secret - Current...& Missile Defense Systems (IAMDS) department is seeking a ** Principal Systems Engineer.** IAMDS leads all aspects of Systems… more
    RTX Corporation (08/29/25)
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  • Principal Program Financial Analyst *ONSITE

    RTX Corporation (Tucson, AZ)
    …Status Requirements:** The ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as only US citizens are ... eligible for a security clearance ** Security Clearance:** DoD Clearance: Secret...with the program leadership team, which includes Program Managers, technical leads, and functional partners. In addition, this role… more
    RTX Corporation (08/13/25)
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  • Principal Engineer Advanced Airframes - REA…

    RTX Corporation (Tucson, AZ)
    …Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** Secret - Current At Raytheon, the foundation of everything we do is… more
    RTX Corporation (10/29/25)
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  • Sr. Principal Design Engineer - Transition…

    RTX Corporation (Tucson, AZ)
    …Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** DoD - Current...Hardware Engineering, Advanced Airframes Department is seeking a Sr. Principal Design Engineer that will be located on site… more
    RTX Corporation (10/28/25)
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  • Principal Engineer System Test Analyst…

    Northrop Grumman (Colorado Springs, CO)
    …relevant experience + Applicants must have a current, active in-scope DoD-issued **Secret** security clearance at the time of application , which is required to ... Space Systems-Launch and Missile Defense Systems provides an excellent opportunity for a Principal Engineer System Test - System Test Analyst (25-356) to join our… more
    Northrop Grumman (10/25/25)
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  • Sr Principal Test Conductor

    Northrop Grumman (Gilbert, AZ)
    …will be required periodically. **Responsibilities:** + General frequent use and application of technical standards, principles, theories, concepts and ... Tactical Space Systems Division Integration and Test group is seeking a **Sr. Principal ** **Test Conductor (Integration and Test)** to join our team of qualified and… more
    Northrop Grumman (11/07/25)
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  • Principal Software Engineer (SWE-4)

    Leidos (Fort Meade, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Software Engineer** in our **National Security Sector's (NSS) Cyber & Analytics ... Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling,… more
    Leidos (11/07/25)
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  • Project Engineer Principal -Level 6

    Lockheed Martin (Fort Worth, TX)
    …related to business operations\. This includes all aspects of the job, i\.e\. technical , cost and schedule execution\. As a Principal in the organization ... flexible work schedules to comprehensive benefits investing in your future and security , Learn more about Lockheed Martin's comprehensive benefits package here\. Do… more
    Lockheed Martin (10/17/25)
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